main.py

import speech_recognition as sr # recognise speech
import webbrowser # open browser
import time  
import playsound # to play an audio file
import random
import os
from gtts import gTTS # google text to speech
from time import ctime


def there_exists(terms):
    for term in terms:
        if term in voice_data:
            return True

r = sr.Recognizer() # initialise a recogniser
# listen for audio and convert it to text:
def record_audio(ask=False):

    with sr.Microphone() as source: # microphone as source
        r.energy_threshold=500             #voice level number increse more sensitive  
        r.adjust_for_ambient_noise(source,1.2)# noise cancel rate
        r.pause_threshold= 1
        if ask:
            speak(ask)
        audio = r.listen(source)  # listen for the audio via source
        voice_data = ''
       
        try :
            voice_data = r.recognize_google(audio)  # convert audio to text
       
        except sr.RequestError:
            speak('Sorry, the service is down') # error: recognizer is not connected
        except sr.UnknownValueError: # error: recognizer does not understand
            print('Recognizing..')
        print(f">> {voice_data.lower()}") # print what user said
        return voice_data.lower()

# get string and make a audio file to be played
def speak(audio_string): 
    tts = gTTS(text=audio_string, lang='en-in') # text to speech(voice)
    r  = random.randint(1,20000000)
    audio_file = 'audio-' + str(r) + '.mp3'
    tts.save(audio_file) # save as mp3
    playsound.playsound(audio_file) # play the audio file
    print(audio_string) # print what app said
    os.remove(audio_file) # remove audio file
     
def respond(voice_data):
     
       # 1: greeting
    if there_exists(["hey","hi","hello","wake up","hai"]):
        greetings = ["hey", "hey, what's up? ", " how can I help you","I'm listening","hello"]
        greet = greetings[random.randint(0,len(greetings)-1)]
        speak(greet)

    # 2: name
    if there_exists(["your name","what i call you","what is your good name"]):
        name= record_audio("my name is Vavo stand for virtual assistance version One. what's your name?")
        speak('Nice to meet you '+ name )
        speak('how can i help you ' + name)
  
        

  # 3: Origin
        
    if there_exists(["who are you","your inventor","invented you","created you","who is your developer"]):
        greetings = ["I am Virtual Voice Assistant","I am developed by mr.abhijeet as a voice assistance"] # You can Add your name
        greet = greetings[random.randint(0,len(greetings)-1)]
        speak(greet)

    if there_exists(["what is your age","how old are you","when is your birthday"]):
        greetings = ["I came into this world in march 2021"]
        greet = greetings[random.randint(0,len(greetings)-1)]
        speak(greet)
        

    # 3: Take care's 
    if there_exists(["how's everything" ,"how ia everything","how are you","how are you doing","what's up","whatsup"]):
        greetings = ["I am well ...thanks for asking ","i am well" ,"Doing Great" ]
        greet = greetings[random.randint(0,len(greetings)-1)]
        speak(greet)
        
        
    # 3: greeting
    if there_exists(["What are you doing" ,"what you doing","doing"]):
        greetings = ["nothing", "nothing...,just working for you","Nothing much"]
        greet = greetings[random.randint(0,len(greetings)-1)]
        speak(greet)


         # 4.1: time
    if there_exists(["what's  the time","tell me the time","what time is it","what is the time","time is going on"]):
        time = ctime().split(" ")[3].split(":")[0:2]
        if time[0] == "00":
            hours = '12'
        else:
            hours = time[0]
        minutes = time[1]
        time = f'{hours} {minutes}'
        speak(time)
    
          # 5: search wekiapedia
    if there_exists(["wikipedia"]):
        search = record_audio('What do you want to search for?')
        url = 'https://en.wikipedia.org/wiki/'+ search
        webbrowser.get().open(url)
        speak('Here is what I found for' + search)

    # 5: search 
    if there_exists(["do google","search google","on google","search for","in google"]):
        search = record_audio('What do you want to search for?')
        url = 'https://google.com/search?q='+ search
        webbrowser.get().open(url)
        speak('Here is what I found for' + search)

      # 5.6: opening youtube
    if there_exists(["open the youtube","open youtube"]):
        url = 'https://www.youtube.com/'
        webbrowser.get().open(url)
        speak('Opening')
     
      # 5.7: opening google
    if there_exists(["open the  google","open google"]):
        url = 'https://www.google.com/'
        webbrowser.get().open(url)
        speak('Opening')
         # 5.7: opening gemail
    if there_exists(["open gmail","open email","open my email","check email"]):
        url = 'https://mail.google.com/'
        webbrowser.get().open(url)
        speak('Opening')
        
    # 5.5: find location 
    if there_exists(["location"]):
        location = record_audio('What is the locatio n?')
        url = 'https://google.nl/maps/place/' + location + '/&'
        webbrowser.get().open(url)
        speak('Opening map of' + location )


    # 6: search youtube
    if there_exists(["search youtube","search the youtube","search in youtube","in youtube","on youtube"]):
        search = record_audio('What do you want to search for?')
        r.pause_threshold=2
        url = 'https://www.youtube.com/results?search_query='+search
        webbrowser.get().open(url)
        speak('Here is what I found')



        #OS shutdown
    if  there_exists(["shutdown system","system off","shutdown the system","system shutdown"]):
        speak('Okay system will off in 30 seconds')
        os.system("shutdown /s /t 30")
         

    if there_exists(["good","thank you","thanks","well done"]):
       greetings = ["my pleasure","Don't mention","Thanks for your compliment","No problem.","Thank you, it makes my day to hear that."]
       greet = greetings[random.randint(0,len(greetings)-1)]
       speak(greet)


    if there_exists(["exit", "quit","sleep","shut up","close"]):
       greetings = ["Going offline ! you can call me Anytime","Okay ,you can call me Anytime","See you later","See you soon","Have a good day."]
       greet = greetings[random.randint(0,len(greetings)-1)]
       speak(greet)
       exit()

time.sleep(1)
while(1):
    voice_data = record_audio() # get the voice input
    respond(voice_data) # respond