lifx_speech.py

lifx_speech.py

# NOTE: this example requires PyAudio because it uses the Microphone class

import time
import requests
import speech_recognition as sr

'''
    LIFX API methods
'''    

def get_light_id():

    return 'd073d5123254'


def get_token():

    return 'h239fhu923dnu91nf0asknldd1b43294u0wfnja120jraionlabvjqi123njisdw12'


def _do_lifx_auth_post(url, data):
    
    try:
        token = get_token()

        headers = {
          'Content-Type': 'application/json',
          'Authorization': 'Bearer ' + token,
        }

        if data:
            response = requests.post(url, data=data, headers=headers)
        else:
            response = requests.post(url, headers=headers)
        
        print 'Response: {0}'.format(response)
        return response
    except requests.HTTPError as e:
        print 'Unable to submit post data {url} - {error}'.format(url=url, error=e.reason)
        raise


def toggle_light(light_id):

    print 'Toggle State to light {light_id}.'.format(light_id=light_id)

    url = 'https://api.lifx.com/v1/lights/id:' + light_id + '/toggle'

    try:
        return _do_lifx_auth_post(url, {})
    except:
        return None


# obtain audio from the microphone
while True:
    time.sleep(0.5) 
    r = sr.Recognizer()
    with sr.Microphone() as source:
        r.adjust_for_ambient_noise(source) # listen for 1 second to calibrate the energy threshold for ambient noise levels
        print("Listening...")
        audio = r.listen(source)

        # recognize speech using Google Speech Recognition
        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)`
            speech = r.recognize_google(audio, language="es-AR")
            print("Google Speech Recognition thinks you said: " + speech)
            if 'luz' in speech or 'luces' in speech:
                toggle_light(get_light_id())

        except sr.UnknownValueError:
            print("Google Speech Recognition could not understand audio")
        except sr.RequestError as e:
            print("Could not request results from Google Speech Recognition service; {0}".format(e))