wav_pcm_s16le_file_like = open('test.wav', 'rb')
a.recognize_speech(wav_pcm_s16le_file_like)

# from https://gist.github.com/mabdrabo/8678538
import pyaudio
import io


audio = pyaudio.PyAudio()
record_seconds = 5
chunk_size = 1024
rate = 16000

# start Recording
stream = audio.open(format=pyaudio.paInt16, channels=1, rate=rate, input=True, frames_per_buffer=chunk_size)
frames = []
 
for i in range(0, int(rate / chunk_size * record_seconds)):
    data = stream.read(chunk_size)
    frames.append(data)
a.recognize_speech(io.BytesIO(b''.join(frames)))

import pyaudio
import threading

mic_stopped = threading.Event()
paudio = pyaudio.PyAudio()

# start Recording
mic_stream = paudio.open(format=pyaudio.paInt16, channels=1, rate=16000, input=True, frames_per_buffer=1024)

class StoppableAudioStream:
    def __init__(self, audio, stream):
        self._audio = audio
        self._stream = stream
        self._stopped = False

    def read(self, size=-1):
        if mic_stopped.is_set():
            self._stopped = True
            self._stream.stop_stream()
            self._stream.close()
            self._audio.terminate()
            mic_stopped.clear()
        if self._stopped:
            return b''
        # workaround for pyaudio versions before exception_on_overflow=False
        while True:
            try:
                return self._stream.read(size)
            except:
                logger.exception("exception while reading from pyaudio stream")

a.recognize_speech(StoppableAudioStream(paudio, mic_stream), mic_stopped)

import shutil
import subprocess

from audio_player import AudioDevice


class MplayerAudioDevice(AudioDevice):
    def __init__(self):
        self._paused = False

    def check_exists(self):
        return shutil.which('mplayer')

    def play_once(self, file):
        try:
            return subprocess.Popen(["mplayer", "-ao", "alsa", "-really-quiet", "-noconsolecontrols", "-slave", file],
                                    stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.STDOUT)
        except Exception:
            logger.exception("Couldn't play audio")

    def play_infinite(self, file):
        try:
            return subprocess.Popen(
                ["mplayer", "-ao", "alsa", "-really-quiet", "-noconsolecontrols", "-slave", "-loop", "0", file],
                stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.STDOUT)
        except:
            logger.exception("Couldn't play audio")

    def stop(self, p):
        p.communicate(input=b'quit 0\n')

    def pause(self, p):
        if not self._paused:
            p.communicate(input=b'pause\n')
            self._paused = True

    def resume(self, p):
        if self._paused:
            p.communicate(input=b'pause\n')
            self._paused = False

    def ended(self, p):
        return p.poll() is not None

import shutil
import subprocess

from audio_player import AudioDevice


class AfplayAudioDevice(AudioDevice):
    def check_exists(self):
        return shutil.which('afplay')

    def play_once(self, file):
        try:
            return subprocess.Popen(["afplay", file])
        except Exception:
            logger.exception("Couldn't play audio")

    def play_infinite(self, file):
        try:
            return subprocess.Popen(["while :; do afplay {}; done".format(file)], shell=True)
        except Exception:
            logger.exception("Couldn't play audio")

    def stop(self, p):
        p.terminate()
        try:
            p.wait(5)
        except subprocess.TimeoutExpired:
            p.kill()

    def pause(self, p):
        p.send_signal(signal.SIGSTOP)

    def resume(self, p):
        p.send_signal(signal.SIGCONT)

    def ended(self, p):
        return p.poll() is not None