lib_sr.py

import speech_recognition as sr

# Voice Recognition
r = sr.Recognizer()
def listen():
    # Use the default microphone as the audio source
    with sr.Microphone() as source:
        print("Speak something...")
        audio = r.listen(source)
    try:
        # for testing purposes, we're just using the default API key
        # to use another API key, use `r.recognize_google(audio, key="GOOGLE_SPEECH_RECOGNITION_API_KEY")`
        # instead of `r.recognize_google(audio)`
        return r.recognize_google(audio)
    except sr.UnknownValueError:
        print("Google Speech Recognition could not understand audio")
        return "UNKNOWN"
    except sr.RequestError as e:
        print("Could not request results from Google Speech Recognition service; {0}".format(e))
        return "UNKNOWN"