app.py

import rumps
import subprocess
import pyaudio
import wave
import sys
import time

rumps.debug_mode(True)  # turn on command line logging information for development - default is off

@rumps.clicked('About')
def about(sender):
    subprocess.call(['say', 'Dumble Abracadabra'])

@rumps.clicked('Listen')
def listen(_):
	CHUNK = 1024
	FORMAT = pyaudio.paInt16
	CHANNELS = 2
	RATE = 44100
	RECORD_SECONDS = 3
	WAVE_OUTPUT_FILENAME = "output.wav"

	if sys.platform == 'darwin':
	    CHANNELS = 1

	p = pyaudio.PyAudio()

	stream = p.open(format=FORMAT,
	                channels=CHANNELS,
	                rate=RATE,
	                input=True,
	                frames_per_buffer=CHUNK)

	print "* recording"

	frames = []

	for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
	    data = stream.read(CHUNK)
	    frames.append(data)

	print "* done recording"

	stream.stop_stream()
	stream.close()
	p.terminate()

	wf = wave.open(WAVE_OUTPUT_FILENAME, 'wb')
	wf.setnchannels(CHANNELS)
	wf.setsampwidth(p.get_sample_size(FORMAT))
	wf.setframerate(RATE)
	wf.writeframes(b''.join(frames))
	wf.close()

	import speech_recognition as sr
	r = sr.Recognizer()
	with sr.WavFile("output.wav") as source:              # use "test.wav" as the audio source
	    audio = r.record(source)                        # extract audio data from the file
	    cmd = r.recognize(audio)

	try:
		subprocess.call(['say', cmd])
		app.title = cmd
		time.sleep(2.5)
		app.title = 'Listening...'


	except LookupError:                                 # speech is unintelligible
	    subprocess.call(['say', 'The wifi is really slow. Please try again.'])

if __name__ == "__main__":
	app = rumps.App('Dumble', title='Listening...', icon='favicon.png')

	app.menu = [
		rumps.MenuItem('About', dimensions=(18, 18)),
		rumps.MenuItem('Listen', dimensions=(18, 18))
	]
	app.run()