ag/render.py at main · byml-c/ag · GitHub

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import os
import re

from _global import *

from rich.markdown import Markdown
from rich.console import Console
from rich.style import Style
from rich.theme import Theme
from rich.text import Text
from rich.live import Live

# 自定义主题
custom_theme = Theme({
    "markdown.block_quote": "#999999 on #1f1f1f",
    "markdown.block_quote_border": "#d75f00",

    "markdown.h1": "bold #7095e1 on #293140",
    "markdown.h2": "bold #dbb071 on #3f362a",
    "markdown.h3": "bold #9ac96a on #323b28",
    "markdown.h4": "bold #1bb598 on #183731",
    "markdown.h5": "bold #bba2ec on #383342",
    "markdown.h6": "bold #9c7ed3 on #322c3d",

    "markdown.item.bullet": "#fd9d62",
    "markdown.item.number": "#fd9d62",

    "markdown.link_url": "#29a3bb",
    "markdown.hr": "#fd9d62",

    "table.border": "#b07d62",
    "table.header": "bold #8da6e1",
    "table.footer": "bold #8da6e1",

    # "markdown.h1": "bold #1E90FF",
    # "markdown.h1.icon": "#000000 on #1E90FF",
    # "markdown.h2": "bold #00BFFF",
    # "markdown.h2.icon": "#000000 on #00BFFF",
    # "markdown.h3": "bold #87CEFA",
    # "markdown.h3.icon": "#000000 on #87CEFA",
    # "markdown.h4": "bold #87CEEB",
    # "markdown.h4.icon": "#000000 on #87CEEB",
    # "markdown.h5": "bold #E0FFFF",
    # "markdown.h5.icon": "#000000 on #E0FFFF",
    # "markdown.h6": "#E0FFFF",
    # "markdown.h6.icon": "#000000 on #E0FFFF",
    "live.ellipsis": "#e6db74 on #242933"
})
console = Console(theme=custom_theme)

class MDStreamRenderer:
    def __init__(self, code_start:int):
        self.md = None
        self.live = None
        self.code_start = code_start
        self.buffer = ""

    def __enter__(self):
        self._new()
        self.code_list = []
        return self

    def _md2snippet(self):
        for elem in self.md.parsed:
            if elem.type == 'fence' and elem.block:
                sid = self._add_snippet(elem.info, elem.content)
                elem.meta.update({
                    "sid": sid,
                    "sdir": str(SNIPPETS_DIR / str(sid))
                })
        self.live.update(self.md, refresh=True)

    def _new(self, text=''):
        self.code_pose, self.code_in = -1, False
        if self.md is not None:
            self._md2snippet()
            self.live.__exit__(None, None, None)
        self.buffer = text
        self.live = Live(console=console, refresh_per_second=10)
        self.live.__enter__()

    def _end(self):
        if self.md is not None:
            self._md2snippet()
            self.md = None

    def __exit__(self, exc_type, exc_value, traceback):
        self.live.__exit__(exc_type, exc_value, traceback)

    def _add_snippet(self, lang, code):
        self.code_list.append({"lang": lang, "code": code})
        return self.code_start+len(self.code_list)-1

    def _update(self, edl:str='', reasoning:bool=False):
        def _new_md(buffer:str):
            return Markdown(buffer, code_theme="nord-darker", inline_code_lexer="text")

        if self.buffer == '' and (edl == '' or edl == '\n\n'):
            return
        self.buffer += edl
        # print('code', self.code_in, 'buffer', f'{self.buffer!r}')
        try:
            new_pose = self.buffer.rfind('```')
            self.md = _new_md(self.buffer)
            self.live.update(self.md, refresh=True)
            if self.code_in:
                if new_pose != self.code_pose:
                    self.code_in = False
                    self.code_pose = new_pose
                    if edl == '\n\n' or ('close' in self.md.parsed[-1].type and self.md.parsed[-1].level == 0 and reasoning):
                        self._new()
            else:
                if new_pose == self.code_pose:
                    if edl == '\n\n' or ('close' in self.md.parsed[-1].type and self.md.parsed[-1].level == 0 and reasoning):
                        self._new()
                else:
                    self.code_pose = new_pose
                    self.code_in = True
        except:
            self.live.update(Text(self.buffer), refresh=True)

    def update(self, chunk:str, reasoning:bool=False):
        chunk = re.sub(r"\n{2,}", "\n\n", chunk)
        length, i, newline = len(chunk), 0, False
        while i < length:
            if chunk[i] == '\n':
                newline = False
                if i+1 < length and chunk[i+1] == '\n':
                    self._update('\n\n')
                    i = i+1
                else:
                    self._update('\n', reasoning)
            else:
                newline = True
                self.buffer += chunk[i]
            i += 1
        if newline:
            self._update()