personal_voice_assisstant.py

import pyttsx3          # text-to-speech conversion library
import speech_recognition as sr
import datetime
import wikipedia
import webbrowser
import os
import smtplib          # to use less secure apps

engine = pyttsx3.init('sapi5')              # for recognising voice
voices = engine.getProperty('voices')
print(voices[0].id)
engine.setProperty('voice', voices[0].id)   # 0 : Male voice, 1 : Female voice


def speak(audio):
    engine.say(audio)
    engine.runAndWait()

def wishMe():
    hour = int(datetime.datetime.now().hour)
    if hour>4 and hour <=12:
        speak("Good Morning!")
    elif hour>12 and hour<=17:
        speak("Good Afternoon!")
    elif hour>17 and hour<=20:
        speak("Good Evening!")
    else:
        speak("Good Night!")
    speak("I am Jarvis. Please tell me how may I help you?")


'''this function takes microphone input from the user and returns it as a string. Returns "None" if there is error.'''
def takeCommand():
    r = sr.Recognizer()                 # helps to detect audio
    with sr.Microphone() as source:     # using microphone as the source of input
        print("Listening...")
            # self.pause_threshold is seconds of non-speaking audio before a phrase is considered complete
        r.pause_threshold = 1           # this tells computer to wait and collect audio even if there is a pause of 1 second b/w two spoken words of the user
            # r.energy_threshold = 250  # minimum audio energy to consider for recording. Keep it high if there are background noises
        audio = r.listen(source)

    try:
        print("Recognizing...")    
            # recognize_google/google_cloud can be used to recognize the user audio file and convert to string
        query = r.recognize_google(audio, language='en-in')
        print(f"User said: {query}\n")

    except Exception as e:
        # print(e)  # commented so that compiler error does not show in terminal    
        print("Say that again please...")  
        return "None"
    return query
        

def sendEmail(to, content):
    server = smtplib.SMTP('smtp.gmail.com', 587)
    server.ehlo()
    server.starttls()
    server.login('nishantsingh.k10@gmail.com' , 'shuffleslayer.2k10')
    server.sendmail('nishantsingh.k10@gmail.com', to,content)
    server.close()



if __name__ == "__main__":
    wishMe()

    if 1:
        query = takeCommand().lower()  
            # .lower command converts the input audio converted string's uppercase letters to lowercase like G of Google to g, and in this manner it matches with query else throws error.

        if 'wikipedia' in query:
            speak('Searching Wikipedia...')
            query = query.replace('wikipedia', "")              # query.replace replaces 'wikipedia' spoken word by blank/our query results
            results = wikipedia.summary(query, sentences=2)     # sentence = value, determines how many lines it will read from wikipedia
            speak("According to Wikipedia")
            print(results)
            speak(results)
        
        elif 'open google' in query:
            webbrowser.open("google.com")

        elif 'open youtube' in query:
            webbrowser.open("youtube.com")

        elif 'open stackoverflow' in query:
            webbrowser.open("stackoverflow.com")

        elif 'the time' in query:
            strTime = datetime.datetime.now().strftime("%H:%M:%S:")
            print(strTime)
            speak(f"Sir, the time is {strTime}")

        elif 'open code' in query:
            codePath = "C:\\Users\\NISHANT\\AppData\\Local\\Programs\\Microsoft VS Code\\Code.exe"
            os.startfile(codePath)

        elif 'email to nishant' in query:
            
            try:
                speak("What should I say?")
                content = takeCommand()
                to = "nishantsingh.k10@gmail.com"
                sendEmail(to, content)
                speak("Email has been sent!")
            except Exception as e:
                print(e)
                speak("Sorry, I could not send that email.")