def _init_assistant(self):
from google.auth.transport.grpc import secure_authorized_channel
self.interactions = []
# Create an authorized gRPC channel.
self.grpc_channel = secure_authorized_channel(self.credentials,
self.http_request,
self.api_endpoint)
self.logger.info('Connecting to {}'.format(self.api_endpoint))
# Configure audio source and sink.
audio_device = None
audio_source = audio_device = (
audio_device or audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size))
audio_sink = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size))
# Create conversation stream with the given audio source and sink.
self.conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=self.audio_iter_size,
sample_width=self.audio_sample_width,
)
self._install_device_handlers()
def setUp(self):
self.source = DummyStream(b'audio data')
self.sink = DummyStream()
self.stream = audio_helpers.ConversationStream(source=self.source,
sink=self.sink,
iter_size=1024,
sample_width=2)
self.stream.volume_percentage = 100
def __assistantAudioSetup(self):
self.audioDevice = audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size)
self.audioSource = self.audioDevice
self.audioSink = self.audioDevice
self.conversationStream = audio_helpers.ConversationStream(
source=self.audioSource,
sink=self.audioSink,
iter_size=self.audio_iter_size,
sample_width=self.audio_sample_width)
def assist(self):
# Configure audio source and sink.
self.audio_device = None
self.audio_source = self.audio_device = (
self.audio_device or audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size))
self.audio_sink = self.audio_device = (
self.audio_device or audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size))
# Create conversation stream with the given audio source and sink.
self.conversation_stream = audio_helpers.ConversationStream(
source=self.audio_source,
sink=self.audio_sink,
iter_size=self.audio_iter_size,
sample_width=self.audio_sample_width)
restart = False
continue_conversation = True
try:
while continue_conversation:
continue_conversation = False
subprocess.Popen(
["aplay", "/home/pi/GassistPi/sample-audio-files/Fb.wav"],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
self.conversation_stream.start_recording()
GPIO.output(5, GPIO.HIGH)
led.ChangeDutyCycle(100)
self.logger.info('Recording audio request.')
def iter_converse_requests():
for c in self.gen_converse_requests():
assistant_helpers.log_converse_request_without_audio(c)
yield c
self.conversation_stream.start_playback()
# This generator yields ConverseResponse proto messages
# received from the gRPC Google Assistant API.
for resp in self.assistant.Converse(iter_converse_requests(),
self.grpc_deadline):
assistant_helpers.log_converse_response_without_audio(resp)
if resp.error.code != code_pb2.OK:
self.logger.error('server error: %s',
resp.error.message)
break
if resp.event_type == END_OF_UTTERANCE:
self.logger.info('End of audio request detected')
GPIO.output(5, GPIO.LOW)
led.ChangeDutyCycle(0)
self.conversation_stream.stop_recording()
if resp.result.spoken_request_text:
usrcmd = resp.result.spoken_request_text
if 'trigger' in str(usrcmd).lower():
Action(str(usrcmd).lower())
return continue_conversation
if 'play'.lower() in str(usrcmd).lower():
YouTube(str(usrcmd).lower())
return continue_conversation
if 'stop'.lower() in str(usrcmd).lower():
stop()
return continue_conversation
if 'tune into'.lower() in str(usrcmd).lower():
radio(str(usrcmd).lower())
return continue_conversation
if 'wireless'.lower() in str(usrcmd).lower():
ESP(str(usrcmd).lower())
return continue_conversation
else:
continue
self.logger.info('Transcript of user request: "%s".',
resp.result.spoken_request_text)
GPIO.output(5, GPIO.LOW)
GPIO.output(6, GPIO.HIGH)
led.ChangeDutyCycle(50)
self.logger.info('Playing assistant response.')
if len(resp.audio_out.audio_data) > 0:
self.conversation_stream.write(
resp.audio_out.audio_data)
if resp.result.spoken_response_text:
self.logger.info(
'Transcript of TTS response '
'(only populated from IFTTT): "%s".',
resp.result.spoken_response_text)
if resp.result.conversation_state:
self.conversation_state_bytes = resp.result.conversation_state
if resp.result.volume_percentage != 0:
volume_percentage = resp.result.volume_percentage
self.logger.info('Volume should be set to %s%%',
volume_percentage)
if resp.result.microphone_mode == DIALOG_FOLLOW_ON:
continue_conversation = True
GPIO.output(6, GPIO.LOW)
GPIO.output(5, GPIO.HIGH)
led.ChangeDutyCycle(100)
self.logger.info(
'Expecting follow-on query from user.')
self.logger.info('Finished playing assistant response.')
GPIO.output(6, GPIO.LOW)
GPIO.output(5, GPIO.LOW)
led.ChangeDutyCycle(0)
self.conversation_stream.stop_playback()
except Exception as e:
self._create_assistant()
self.logger.exception('Skipping because of connection reset')
restart = True
try:
self.conversation_stream.close()
if restart:
self.assist()
except Exception:
self.logger.error('Failed to close conversation_stream.')
def assist(self):
# Configure audio source and sink.
self.audio_device = None
self.audio_source = self.audio_device = (
self.audio_device or audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size
)
)
self.audio_sink = self.audio_device = (
self.audio_device or audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size
)
)
# Create conversation stream with the given audio source and sink.
self.conversation_stream = audio_helpers.ConversationStream(
source=self.audio_source,
sink=self.audio_sink,
iter_size=self.audio_iter_size,
sample_width=self.audio_sample_width
)
restart = False
continue_dialog = True
try:
while continue_dialog:
continue_dialog = False
self.conversation_stream.start_recording()
self.logger.info('Recording audio request.')
def iter_converse_requests():
for c in self.gen_converse_requests():
assistant_helpers.log_converse_request_without_audio(c)
yield c
self.conversation_stream.start_playback()
# This generator yields ConverseResponse proto messages
# received from the gRPC Google Assistant API.
for resp in self.assistant.Converse(iter_converse_requests(),
self.grpc_deadline):
assistant_helpers.log_converse_response_without_audio(resp)
if resp.error.code != code_pb2.OK:
self.logger.error('server error: %s', resp.error.message)
break
if resp.event_type == END_OF_UTTERANCE:
self.logger.info('End of audio request detected')
self.conversation_stream.stop_recording()
if resp.result.spoken_request_text:
self.logger.info('Transcript of user request: "%s".',
resp.result.spoken_request_text)
self.logger.info('Playing assistant response.')
if len(resp.audio_out.audio_data) > 0:
self.conversation_stream.write(resp.audio_out.audio_data)
if resp.result.spoken_response_text:
self.logger.info(
'Transcript of TTS response '
'(only populated from IFTTT): "%s".',
resp.result.spoken_response_text)
if resp.result.conversation_state:
self.conversation_state_bytes = resp.result.conversation_state
if resp.result.volume_percentage != 0:
volume_percentage = resp.result.volume_percentage
self.logger.info('Volume should be set to %s%%', volume_percentage)
if resp.result.microphone_mode == DIALOG_FOLLOW_ON:
continue_dialog = True
self.logger.info('Expecting follow-on query from user.')
self.logger.info('Finished playing assistant response.')
self.conversation_stream.stop_playback()
except Exception as e:
self._create_assistant()
self.logger.exception('Skipping because of connection reset')
restart = True
try:
self.conversation_stream.close()
if restart:
self.assist()
except Exception:
self.logger.error('Failed to close conversation_stream.')
def return_ga():
api_endpoint = 'embeddedassistant.googleapis.com'
project_id = "assistantdevice-1f1e8"
device_model_id = "assistantdevice-1f1e8-ga1-v3slut"
device_id = None
credentials = os.path.join(click.get_app_dir('google-oauthlib-tool'),
'credentials.json')
device_config = os.path.join(click.get_app_dir('googlesamples-assistant'),
'device_config.json')
lang = "en-US"
display = False
verbose = False
input_audio_file = None
output_audio_file = None
audio_sample_rate = audio_helpers.DEFAULT_AUDIO_SAMPLE_RATE
audio_sample_width = audio_helpers.DEFAULT_AUDIO_SAMPLE_WIDTH
audio_iter_size = audio_helpers.DEFAULT_AUDIO_ITER_SIZE
audio_block_size = audio_helpers.DEFAULT_AUDIO_DEVICE_BLOCK_SIZE
audio_flush_size = audio_helpers.DEFAULT_AUDIO_DEVICE_FLUSH_SIZE
grpc_deadline = 60 * 3 + 5
once = False
# Load OAuth 2.0 credentials.
try:
with open(credentials, 'r') as f:
credentials = google.oauth2.credentials.Credentials(token=None,
**json.load(f))
http_request = google.auth.transport.requests.Request()
credentials.refresh(http_request)
except Exception as e:
logging.error('Error loading credentials: %s', e)
logging.error('Run google-oauthlib-tool to initialize '
'new OAuth 2.0 credentials.')
sys.exit(-1)
# Create an authorized gRPC channel.
grpc_channel = google.auth.transport.grpc.secure_authorized_channel(
credentials, http_request, api_endpoint)
logger.info('Connecting to %s', api_endpoint)
# Configure audio source and sink.
audio_device = None
if input_audio_file:
audio_source = audio_helpers.WaveSource(
open(input_audio_file, 'rb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width)
else:
audio_source = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
if output_audio_file:
audio_sink = audio_helpers.WaveSink(open(output_audio_file, 'wb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width)
else:
audio_sink = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
# Create conversation stream with the given audio source and sink.
conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=audio_iter_size,
sample_width=audio_sample_width,
)
if not device_id or not device_model_id:
try:
with open(device_config) as f:
device = json.load(f)
device_id = device['id']
device_model_id = device['model_id']
logger.info("Using device model %s and device id %s",
device_model_id, device_id)
except Exception as e:
logging.warning('Device config not found: %s' % e)
logger.info('Registering device')
if not device_model_id:
logging.error('Option --device-model-id required '
'when registering a device instance.')
sys.exit(-1)
if not project_id:
logging.error('Option --project-id required '
'when registering a device instance.')
sys.exit(-1)
device_base_url = ('https://%s/v1alpha2/projects/%s/devices' %
(api_endpoint, project_id))
device_id = str(uuid.uuid1())
payload = {
'id': device_id,
'model_id': device_model_id,
'client_type': 'SDK_SERVICE'
}
session = google.auth.transport.requests.AuthorizedSession(
credentials)
r = session.post(device_base_url, data=json.dumps(payload))
if r.status_code != 200:
logging.error('Failed to register device: %s', r.text)
sys.exit(-1)
logger.info('Device registered: %s', device_id)
pathlib.Path(os.path.dirname(device_config)).mkdir(exist_ok=True)
with open(device_config, 'w') as f:
json.dump(payload, f)
device_handler = device_helpers.DeviceRequestHandler(device_id)
@device_handler.command('action.devices.commands.OnOff')
def onoff(on):
if on:
logger.info('Turning device on')
else:
logger.info('Turning device off')
@device_handler.command('com.example.commands.BlinkLight')
def blink(speed, number):
logger.info('Blinking device %s times.' % number)
delay = 1
if speed == "SLOWLY":
delay = 2
elif speed == "QUICKLY":
delay = 0.5
for i in range(int(number)):
logger.info('Device is blinking.')
time.sleep(delay)
logger.info("Start Google Assistant")
assistant = SampleAssistant(lang, device_model_id, device_id,
conversation_stream, display, grpc_channel,
grpc_deadline, device_handler)
return assistant
def assist(self, canvas):
device_actions_futures = []
# Configure audio source and sink.
self.audio_device = None
self.audio_source = self.audio_device = (
self.audio_device or audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size))
self.audio_sink = self.audio_device = (
self.audio_device or audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size))
# Create conversation stream with the given audio source and sink.
self.conversation_stream = audio_helpers.ConversationStream(
source=self.audio_source,
sink=self.audio_sink,
iter_size=self.audio_iter_size,
sample_width=self.audio_sample_width)
restart = False
continue_dialog = True
try:
while continue_dialog:
continue_dialog = False
self.conversation_stream.start_recording()
self.logger.info('Recording audio request.')
def iter_log_assist_requests():
for c in self.gen_assist_requests():
assistant_helpers.log_assist_request_without_audio(c)
yield c
logging.debug('Reached end of AssistRequest iteration.')
# This generator yields AssistResponse proto messages
# received from the gRPC Google Assistant API.
for resp in self.assistant.Assist(iter_log_assist_requests(),
self.grpc_deadline):
assistant_helpers.log_assist_response_without_audio(resp)
if resp.event_type == END_OF_UTTERANCE:
logging.info('End of audio request detected.')
logging.info('Stopping recording.')
self.conversation_stream.stop_recording()
if resp.speech_results:
mess = ' '.join(r.transcript
for r in resp.speech_results)
logging.info('Transcript of user request: "%s".', mess)
canvas[1]['text'] = mess
if self.once:
self.custom_command = google_control.custom_command_handler(
mess, canvas)
if len(resp.audio_out.audio_data
) > 0 and not self.custom_command:
if not self.conversation_stream.playing:
self.conversation_stream.stop_recording()
self.conversation_stream.start_playback()
logging.info('Playing assistant response.')
self.conversation_stream.write(
resp.audio_out.audio_data)
if resp.dialog_state_out.conversation_state:
conversation_state = resp.dialog_state_out.conversation_state
logging.debug('Updating conversation state.')
self.conversation_state = conversation_state
if resp.dialog_state_out.volume_percentage != 0:
volume_percentage = resp.dialog_state_out.volume_percentage
logging.info('Setting volume to %s%%',
volume_percentage)
self.conversation_stream.volume_percentage = volume_percentage
if resp.dialog_state_out.microphone_mode == DIALOG_FOLLOW_ON:
continue_conversation = True
logging.info('Expecting follow-on query from user.')
elif resp.dialog_state_out.microphone_mode == CLOSE_MICROPHONE:
continue_conversation = False
if resp.device_action.device_request_json:
device_request = json.loads(
resp.device_action.device_request_json)
fs = self.device_handler(device_request)
if fs:
device_actions_futures.extend(fs)
if self.display and resp.screen_out.data and not self.custom_command:
system_browser = browser_helpers.system_browser
system_browser.display(resp.screen_out.data)
self.scrapper(canvas)
self.logger.info('Finished playing assistant response.')
self.conversation_stream.stop_playback()
except Exception as e:
self._create_assistant()
self.logger.exception('Skipping because of connection reset')
restart = True
try:
self.conversation_stream.close()
if restart:
self.assist()
except Exception:
self.logger.error('Failed to close conversation_stream.')
self.once = True
def init_assistant(
verbose: bool = False,
language_code: str = 'en-US',
credentials: str = os.path.join(os.path.expanduser('~/.config'),
'google-oauthlib-tool',
'credentials.json'),
device_id: str = None,
device_model_id: str = None,
device_config: str = os.path.join(os.path.expanduser('~/.config'),
'googlesamples-assistant',
'device_config.json'),
project_id: str = None,
display: bool = False,
):
# Setup logging.
logging.basicConfig(level=logging.DEBUG if verbose else logging.INFO)
# Load OAuth 2.0 credentials.
try:
with open(credentials, 'r') as f:
credentials = google.oauth2.credentials.Credentials(token=None,
**json.load(f))
http_request = google.auth.transport.requests.Request()
credentials.refresh(http_request)
except Exception as e:
logging.error('Error loading credentials: %s', e)
logging.error('Run google-oauthlib-tool to initialize '
'new OAuth 2.0 credentials.')
sys.exit(-1)
# Create an authorized gRPC channel.
grpc_channel = google.auth.transport.grpc.secure_authorized_channel(
credentials, http_request, ASSISTANT_API_ENDPOINT)
logging.info('Connecting to %s', ASSISTANT_API_ENDPOINT)
# Configure audio source and sink.
audio_source = audio_device = audio_sink = (
audio_helpers.SoundDeviceStream(
sample_rate=audio_helpers.DEFAULT_AUDIO_SAMPLE_RATE,
sample_width=audio_helpers.DEFAULT_AUDIO_SAMPLE_WIDTH,
block_size=audio_helpers.DEFAULT_AUDIO_DEVICE_BLOCK_SIZE,
flush_size=audio_helpers.DEFAULT_AUDIO_DEVICE_FLUSH_SIZE))
# Create conversation stream with the given audio source and sink.
conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=audio_helpers.DEFAULT_AUDIO_ITER_SIZE,
sample_width=audio_helpers.DEFAULT_AUDIO_SAMPLE_WIDTH,
)
if not device_id or not device_model_id:
try:
with open(device_config) as f:
device = json.load(f)
device_id = device['id']
device_model_id = device['model_id']
logging.info("Using device model %s and device id %s",
device_model_id, device_id)
except Exception as e:
logging.warning('Device config not found: %s' % e)
logging.info('Registering device')
if not device_model_id:
logging.error('Option --device-model-id required '
'when registering a device instance.')
sys.exit(-1)
if not project_id:
logging.error('Option --project-id required '
'when registering a device instance.')
sys.exit(-1)
device_base_url = ('https://%s/v1alpha2/projects/%s/devices' %
(ASSISTANT_API_ENDPOINT, project_id))
device_id = str(uuid.uuid1())
payload = {
'id': device_id,
'model_id': device_model_id,
'client_type': 'SDK_SERVICE'
}
session = google.auth.transport.requests.AuthorizedSession(
credentials)
r = session.post(device_base_url, data=json.dumps(payload))
if r.status_code != 200:
logging.error('Failed to register device: %s', r.text)
sys.exit(-1)
logging.info('Device registered: %s', device_id)
pathlib.Path(os.path.dirname(device_config)).mkdir(exist_ok=True)
with open(device_config, 'w') as f:
json.dump(payload, f)
device_handler = device_helpers.DeviceRequestHandler(device_id)
@device_handler.command('action.devices.commands.OnOff')
def onoff(on):
if on:
logging.info('Turning device on')
else:
logging.info('Turning device off')
@device_handler.command('com.example.commands.BlinkLight')
def blink(speed, number):
logging.info('Blinking device %s times.' % number)
delay = 1
if speed == "SLOWLY":
delay = 2
elif speed == "QUICKLY":
delay = 0.5
for i in range(int(number)):
logging.info('Device is blinking.')
time.sleep(delay)
return SampleAssistant(language_code, device_model_id, device_id,
conversation_stream, display, grpc_channel,
DEFAULT_GRPC_DEADLINE, device_handler)
def main(api_endpoint, credentials, project_id,
device_model_id, device_id, device_config,
lang, display, verbose,
input_audio_file, output_audio_file,
audio_sample_rate, audio_sample_width,
audio_iter_size, audio_block_size, audio_flush_size,
grpc_deadline, once, *args, **kwargs):
"""Samples for the Google Assistant API.
Examples:
Run the sample with microphone input and speaker output:
$ python -m googlesamples.assistant
Run the sample with file input and speaker output:
$ python -m googlesamples.assistant -i <input file>
Run the sample with file input and output:
$ python -m googlesamples.assistant -i <input file> -o <output file>
"""
if gender=='Male':
subprocess.Popen(["aplay", "{}/sample-audio-files/Startup-Male.wav".format(ROOT_PATH)], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
else:
subprocess.Popen(["aplay", "{}/sample-audio-files/Startup-Female.wav".format(ROOT_PATH)], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
# Setup logging.
logging.basicConfig(level=logging.DEBUG if verbose else logging.INFO)
# Load OAuth 2.0 credentials.
try:
with open(credentials, 'r') as f:
credentials = google.oauth2.credentials.Credentials(token=None,
**json.load(f))
http_request = google.auth.transport.requests.Request()
credentials.refresh(http_request)
except Exception as e:
logging.error('Error loading credentials: %s', e)
logging.error('Run google-oauthlib-tool to initialize '
'new OAuth 2.0 credentials.')
sys.exit(-1)
# Create an authorized gRPC channel.
grpc_channel = google.auth.transport.grpc.secure_authorized_channel(
credentials, http_request, api_endpoint)
logging.info('Connecting to %s', api_endpoint)
# Configure audio source and sink.
audio_device = None
if input_audio_file:
audio_source = audio_helpers.WaveSource(
open(input_audio_file, 'rb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width
)
else:
audio_source = audio_device = (
audio_device or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size
)
)
if output_audio_file:
audio_sink = audio_helpers.WaveSink(
open(output_audio_file, 'wb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width
)
else:
audio_sink = audio_device = (
audio_device or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size
)
)
# Create conversation stream with the given audio source and sink.
conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=audio_iter_size,
sample_width=audio_sample_width,
)
if not device_id or not device_model_id:
try:
with open(device_config) as f:
device = json.load(f)
device_id = device['id']
device_model_id = device['model_id']
logging.info("Using device model %s and device id %s",
device_model_id,
device_id)
except Exception as e:
logging.warning('Device config not found: %s' % e)
logging.info('Registering device')
if not device_model_id:
logging.error('Option --device-model-id required '
'when registering a device instance.')
sys.exit(-1)
if not project_id:
logging.error('Option --project-id required '
'when registering a device instance.')
sys.exit(-1)
device_base_url = (
'https://%s/v1alpha2/projects/%s/devices' % (api_endpoint,
project_id)
)
device_id = str(uuid.uuid1())
payload = {
'id': device_id,
'model_id': device_model_id,
'client_type': 'SDK_SERVICE'
}
session = google.auth.transport.requests.AuthorizedSession(
credentials
)
r = session.post(device_base_url, data=json.dumps(payload))
if r.status_code != 200:
logging.error('Failed to register device: %s', r.text)
sys.exit(-1)
logging.info('Device registered: %s', device_id)
pathlib.Path(os.path.dirname(device_config)).mkdir(exist_ok=True)
with open(device_config, 'w') as f:
json.dump(payload, f)
device_handler = device_helpers.DeviceRequestHandler(device_id)
@device_handler.command('action.devices.commands.OnOff')
def onoff(on):
if on:
logging.info('Turning device on')
else:
logging.info('Turning device off')
@device_handler.command('com.example.commands.BlinkLight')
def blink(speed, number):
logging.info('Blinking device %s times.' % number)
delay = 1
if speed == "slowly":
delay = 2
elif speed == "quickly":
delay = 0.5
for i in range(int(number)):
logging.info('Device is blinking.')
time.sleep(delay)
with SampleAssistant(lang, device_model_id, device_id,
conversation_stream, display,
grpc_channel, grpc_deadline,
device_handler) as assistant:
# If file arguments are supplied:
# exit after the first turn of the conversation.
if input_audio_file or output_audio_file:
assistant.assist()
return
def detected():
continue_conversation=assistant.assist()
if continue_conversation:
print('Continuing conversation')
assistant.assist()
signal.signal(signal.SIGINT, signal_handler)
sensitivity = [0.5]*len(models)
callbacks = [detected]*len(models)
detector = snowboydecoder.HotwordDetector(models, sensitivity=sensitivity)
def start_detector():
detector.start(detected_callback=callbacks,
interrupt_check=interrupt_callback,
sleep_time=0.03)
# If no file arguments supplied:
# keep recording voice requests using the microphone
# and playing back assistant response using the speaker.
# When the once flag is set, don't wait for a trigger. Otherwise, wait.
wait_for_user_trigger = not once
while True:
if wait_for_user_trigger:
if custom_wakeword:
start_detector()
else:
button_state=GPIO.input(pushbuttontrigger)
if button_state==True:
continue
else:
pass
continue_conversation = assistant.assist()
# wait for user trigger if there is no follow-up turn in
# the conversation.
wait_for_user_trigger = not continue_conversation
# If we only want one conversation, break.
if once and (not continue_conversation):
break
detector.terminate()
def main(api_endpoint=ASSISTANT_API_ENDPOINT,
credentials=os.path.join(click.get_app_dir('google-oauthlib-tool'),
'credentials.json'),
project_id=None,
device_model_id=None,
device_id=None,
device_config=os.path.join(
click.get_app_dir('googlesamples-assistant'),
'device_config.json'),
lang='en-US',
display=False,
verbose=False,
input_audio_file=None,
output_audio_file=None,
audio_sample_rate=audio_helpers.DEFAULT_AUDIO_SAMPLE_RATE,
audio_sample_width=audio_helpers.DEFAULT_AUDIO_SAMPLE_WIDTH,
audio_iter_size=audio_helpers.DEFAULT_AUDIO_ITER_SIZE,
audio_block_size=audio_helpers.DEFAULT_AUDIO_DEVICE_BLOCK_SIZE,
audio_flush_size=audio_helpers.DEFAULT_AUDIO_DEVICE_FLUSH_SIZE,
grpc_deadline=DEFAULT_GRPC_DEADLINE,
once=False,
*args,
**kwargs):
# Setup logging.
#logging.basicConfig(level=logging.DEBUG if verbose else logging.INFO)
logging.basicConfig(level=logging.INFO)
# Load OAuth 2.0 credentials.
try:
with open(credentials, 'r') as f:
credentials = google.oauth2.credentials.Credentials(token=None,
**json.load(f))
http_request = google.auth.transport.requests.Request()
credentials.refresh(http_request)
except Exception as e:
logging.error('Error loading credentials: %s', e)
logging.error('Run google-oauthlib-tool to initialize '
'new OAuth 2.0 credentials.')
sys.exit(-1)
# Create an authorized gRPC channel.
grpc_channel = google.auth.transport.grpc.secure_authorized_channel(
credentials, http_request, api_endpoint)
logging.info('Connecting to %s', api_endpoint)
# Configure audio source and sink.
audio_device = None
if input_audio_file:
audio_source = audio_helpers.WaveSource(
open(input_audio_file, 'rb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width)
else:
audio_source = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
if output_audio_file:
audio_sink = audio_helpers.WaveSink(open(output_audio_file, 'wb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width)
else:
audio_sink = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
# Create conversation stream with the given audio source and sink.
conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=audio_iter_size,
sample_width=audio_sample_width,
)
if not device_id or not device_model_id:
try:
with open(device_config) as f:
device = json.load(f)
device_id = device['id']
device_model_id = device['model_id']
logging.info("Using device model %s and device id %s",
device_model_id, device_id)
except Exception as e:
logging.warning('Device config not found: %s' % e)
logging.info('Registering device')
if not device_model_id:
logging.error('Option --device-model-id required '
'when registering a device instance.')
sys.exit(-1)
if not project_id:
logging.error('Option --project-id required '
'when registering a device instance.')
sys.exit(-1)
device_base_url = ('https://%s/v1alpha2/projects/%s/devices' %
(api_endpoint, project_id))
device_id = str(uuid.uuid1())
payload = {
'id': device_id,
'model_id': device_model_id,
'client_type': 'SDK_SERVICE'
}
session = google.auth.transport.requests.AuthorizedSession(
credentials)
r = session.post(device_base_url, data=json.dumps(payload))
if r.status_code != 200:
logging.error('Failed to register device: %s', r.text)
sys.exit(-1)
logging.info('Device registered: %s', device_id)
pathlib.Path(os.path.dirname(device_config)).mkdir(exist_ok=True)
with open(device_config, 'w') as f:
json.dump(payload, f)
device_handler = device_helpers.DeviceRequestHandler(device_id)
@device_handler.command('action.devices.commands.OnOff')
def onoff(on):
if on:
logging.info('Turning device on')
else:
logging.info('Turning device off')
@device_handler.command('com.example.commands.BlinkLight')
def blink(speed, number):
logging.info('Blinking device %s times.' % number)
delay = 1
if speed == "SLOWLY":
delay = 2
elif speed == "QUICKLY":
delay = 0.5
for i in range(int(number)):
logging.info('Device is blinking.')
time.sleep(delay)
audio_stream = None
handle = None
pa = None
library_path = '../../lib/windows/amd64/libpv_porcupine.dll'
model_file_path = '../../lib/common/porcupine_params.pv'
keyword_file_paths = ['bumblebee_windows.ppn']
num_keywords = len(keyword_file_paths)
sensitivities = [0.7] #0.2
handle = porcupine.Porcupine(library_path,
model_file_path,
keyword_file_paths=keyword_file_paths,
sensitivities=sensitivities)
pa = pyaudio.PyAudio()
audio_stream = pa.open(rate=handle.sample_rate,
channels=1,
format=pyaudio.paInt16,
input=True,
frames_per_buffer=handle.frame_length)
conversation_stream.volume_percentage = 100
print('Listening for keyword bumblebee...')
with SampleAssistant(lang, device_model_id, device_id, conversation_stream,
display, grpc_channel, grpc_deadline,
device_handler) as assistant:
while True:
pcm = audio_stream.read(handle.frame_length)
pcm = struct.unpack_from("h" * handle.frame_length, pcm)
result = handle.process(pcm)
if num_keywords > 0 and result:
play_audio_file('ding.wav')
print('[%s] detected keyword!!!!' % str(datetime.now()))
assistant.assist()
play_audio_file('dong.wav')
print('Listening for keyword bumblebee...')
print('stopping ...')
if handle is not None:
handle.delete()
if audio_stream is not None:
audio_stream.close()
if pa is not None:
pa.terminate()
def main(api_endpoint, credentials, verbose,
input_audio_file, output_audio_file,
audio_sample_rate, audio_sample_width,
audio_iter_size, audio_block_size, audio_flush_size,
grpc_deadline, once, *args, **kwargs):
"""Samples for the Google Assistant API.
Examples:
Run the sample with microphone input and speaker output:
$ python -m googlesamples.assistant
Run the sample with file input and speaker output:
$ python -m googlesamples.assistant -i <input file>
Run the sample with file input and output:
$ python -m googlesamples.assistant -i <input file> -o <output file>
"""
# Setup logging.
logging.basicConfig(level=logging.DEBUG if verbose else logging.INFO)
# Load OAuth 2.0 credentials.
try:
with open(credentials, 'r') as f:
credentials = google.oauth2.credentials.Credentials(token=None,
**json.load(f))
http_request = google.auth.transport.requests.Request()
credentials.refresh(http_request)
except Exception as e:
logging.error('Error loading credentials: %s', e)
logging.error('Run google-oauthlib-tool to initialize '
'new OAuth 2.0 credentials.')
return
# Create an authorized gRPC channel.
grpc_channel = google.auth.transport.grpc.secure_authorized_channel(
credentials, http_request, api_endpoint)
logging.info('Connecting to %s', api_endpoint)
# Configure audio source and sink.
audio_device = None
if input_audio_file:
audio_source = audio_helpers.WaveSource(
open(input_audio_file, 'rb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width
)
else:
audio_source = audio_device = (
audio_device or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size
)
)
if output_audio_file:
audio_sink = audio_helpers.WaveSink(
open(output_audio_file, 'wb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width
)
else:
audio_sink = audio_device = (
audio_device or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size
)
)
# Create conversation stream with the given audio source and sink.
conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=audio_iter_size,
sample_width=audio_sample_width,
)
with SampleAssistant(conversation_stream,
grpc_channel, grpc_deadline) as assistant:
# If file arguments are supplied:
# exit after the first turn of the conversation.
if input_audio_file or output_audio_file:
assistant.converse()
return
# If no file arguments supplied:
# keep recording voice requests using the microphone
# and playing back assistant response using the speaker.
# When the once flag is set, don't wait for a trigger. Otherwise, wait.
continue_conversation = assistant.converse()
def main(language, is_debug, is_answer, device_id=None, device_model_id=None):
####################################################################################################
#
# 初期定義
#
####################################################################################################
grpc_deadline = 60 * 3 + 5
credentials = os.path.join(click.get_app_dir('google-oauthlib-tool'),
'credentials.json')
device_config = os.path.join(click.get_app_dir('googlesamples-assistant'),
'device_config.json')
audio_sample_rate = audio_helpers.DEFAULT_AUDIO_SAMPLE_RATE
audio_sample_width = audio_helpers.DEFAULT_AUDIO_SAMPLE_WIDTH
audio_iter_size = audio_helpers.DEFAULT_AUDIO_ITER_SIZE
audio_block_size = audio_helpers.DEFAULT_AUDIO_DEVICE_BLOCK_SIZE
audio_flush_size = audio_helpers.DEFAULT_AUDIO_DEVICE_FLUSH_SIZE
####################################################################################################
#
# 取り扱い説明書
#
####################################################################################################
"""Samples for the Google Assistant API.
Examples:
Run the sample with microphone input and speaker output:
$ python -m googlesamples.assistant
Run the sample with file input and speaker output:
$ python -m googlesamples.assistant -i <input file>
Run the sample with file input and output:
$ python -m googlesamples.assistant -i <input file> -o <output file>
"""
####################################################################################################
#
# Load OAuth 2.0 CREDENTIALS.
# (認証)
#
####################################################################################################
try:
with open(credentials, 'r') as f:
credentials = google.oauth2.credentials.Credentials(token=None,
**json.load(f))
http_request = google.auth.transport.requests.Request()
credentials.refresh(http_request)
except Exception as e:
print('Error loading CREDENTIALS: %s' % e)
print('Run google-oauthlib-tool to initialize ',
'new OAuth 2.0 CREDENTIALS.')
sys.exit(-1)
####################################################################################################
#
# Create an authorized gRPC channel.
# (grpc接続)
#
####################################################################################################
grpc_channel = google.auth.transport.grpc.secure_authorized_channel(
credentials, http_request, ASSISTANT_API_ENDPOINT)
# print("connection -> %s" % ASSISTANT_API_ENDPOINT)
####################################################################################################
#
# Configure audio source and sink.
# (オーディオストリーム設定)
#
####################################################################################################
audio_device = None
audio_sink = audio_source = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
####################################################################################################
#
# Create conversation stream with the given audio source and sink.
#
####################################################################################################
conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=audio_iter_size,
sample_width=audio_sample_width,
)
if device_id is None or device_model_id is None:
try:
with open(device_config) as f:
device = json.load(f)
device_id = device['id']
device_model_id = device['model_id']
print("Using device model %s and device id %s",
device_model_id, device_id)
except Exception as e:
print(e)
sys.exit(1)
####################################################################################################
#
# コールバック設定
#
####################################################################################################
device_handler = device_helpers.DeviceRequestHandler(device_id)
print(device_id, device_model_id)
####################################################################################################
#
# アシスタント起動
#
####################################################################################################
'''
text=None
if text is not None:
return TextAssistant(language, device_model_id, device_id, IS_DISPLAY,
grpc_channel, grpc_deadline)
'''
return VoiceAssistant(language, device_model_id, device_id,
conversation_stream, IS_DISPLAY, grpc_channel,
grpc_deadline, device_handler, is_debug, is_answer)
def assist(self):
# Configure audio source and sink.
self.audio_device = None
self.audio_source = self.audio_device = (
self.audio_device or audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size))
self.audio_sink = self.audio_device = (
self.audio_device or audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size))
# Create conversation stream with the given audio source and sink.
self.conversation_stream = audio_helpers.ConversationStream(
source=self.audio_source,
sink=self.audio_sink,
iter_size=self.audio_iter_size,
sample_width=self.audio_sample_width)
restart = False
continue_conversation = True
try:
while continue_conversation:
continue_conversation = False
subprocess.Popen(
["aplay", "/home/pi/GassistPi/sample-audio-files/Fb.wav"],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
self.conversation_stream.start_recording()
self.logger.info('Recording audio request.')
def iter_converse_requests():
for c in self.gen_converse_requests():
assistant_helpers.log_converse_request_without_audio(c)
yield c
self.conversation_stream.start_playback()
# This generator yields ConverseResponse proto messages
# received from the gRPC Google Assistant API.
for resp in self.assistant.Converse(iter_converse_requests(),
self.grpc_deadline):
assistant_helpers.log_converse_response_without_audio(resp)
if resp.error.code != code_pb2.OK:
self.logger.error('server error: %s',
resp.error.message)
break
if resp.event_type == END_OF_UTTERANCE:
self.logger.info('End of audio request detected')
self.conversation_stream.stop_recording()
if resp.result.spoken_request_text:
usr = resp.result.spoken_request_text
if 'trigger' in str(usr):
if 'shut down'.lower() in str(usr).lower():
subprocess.Popen([
"aplay",
"/home/pi/GassistPi/sample-audio-files/Pi-Close.wav"
],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
time.sleep(10)
os.system("sudo shutdown -h now")
break
else:
for num, name in enumerate(var):
if name.lower() in str(usr).lower():
pinout = gpio[num]
if 'on'.lower() in str(usr).lower():
GPIO.output(pinout, 1)
subprocess.Popen([
"aplay",
"/home/pi/GassistPi/sample-audio-files/Device-On.wav"
],
stdin=subprocess.
PIPE,
stdout=subprocess.
PIPE,
stderr=subprocess.
PIPE)
elif 'off'.lower() in str(usr).lower():
GPIO.output(pinout, 0)
subprocess.Popen([
"aplay",
"/home/pi/GassistPi/sample-audio-files/Device-Off.wav"
],
stdin=subprocess.
PIPE,
stdout=subprocess.
PIPE,
stderr=subprocess.
PIPE)
return continue_conversation
else:
continue
self.logger.info('Transcript of user request: "%s".',
resp.result.spoken_request_text)
self.logger.info('Playing assistant response.')
if len(resp.audio_out.audio_data) > 0:
self.conversation_stream.write(
resp.audio_out.audio_data)
if resp.result.spoken_response_text:
self.logger.info(
'Transcript of TTS response '
'(only populated from IFTTT): "%s".',
resp.result.spoken_response_text)
if resp.result.conversation_state:
self.conversation_state_bytes = resp.result.conversation_state
if resp.result.volume_percentage != 0:
volume_percentage = resp.result.volume_percentage
self.logger.info('Volume should be set to %s%%',
volume_percentage)
if resp.result.microphone_mode == DIALOG_FOLLOW_ON:
continue_conversation = True
self.logger.info(
'Expecting follow-on query from user.')
self.logger.info('Finished playing assistant response.')
self.conversation_stream.stop_playback()
except Exception as e:
self._create_assistant()
self.logger.exception('Skipping because of connection reset')
restart = True
try:
self.conversation_stream.close()
if restart:
self.assist()
except Exception:
self.logger.error('Failed to close conversation_stream.')
def main(api_endpoint, credentials, project_id, device_model_id, device_id,
device_config, lang, display, verbose, input_audio_file,
output_audio_file, audio_sample_rate, audio_sample_width,
audio_iter_size, audio_block_size, audio_flush_size, grpc_deadline,
once, *args, **kwargs):
"""Samples for the Google Assistant API.
Examples:
Run the sample with microphone input and speaker output:
$ python -m googlesamples.assistant
Run the sample with file input and speaker output:
$ python -m googlesamples.assistant -i <input file>
Run the sample with file input and output:
$ python -m googlesamples.assistant -i <input file> -o <output file>
"""
# Setup logging.
logging.basicConfig(level=logging.DEBUG if verbose else logging.INFO)
# Load OAuth 2.0 credentials.
try:
with open(credentials, 'r') as f:
credentials = google.oauth2.credentials.Credentials(token=None,
**json.load(f))
http_request = google.auth.transport.requests.Request()
credentials.refresh(http_request)
except Exception as e:
logging.error('Error loading credentials: %s', e)
logging.error('Run google-oauthlib-tool to initialize '
'new OAuth 2.0 credentials.')
sys.exit(-1)
# Create an authorized gRPC channel.
grpc_channel = google.auth.transport.grpc.secure_authorized_channel(
credentials, http_request, api_endpoint)
logging.info('Connecting to %s', api_endpoint)
# Configure audio source and sink.
audio_device = None
if input_audio_file:
audio_source = audio_helpers.WaveSource(
open(input_audio_file, 'rb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width)
else:
audio_source = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
if output_audio_file:
audio_sink = audio_helpers.WaveSink(open(output_audio_file, 'wb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width)
else:
audio_sink = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
# Create conversation stream with the given audio source and sink.
conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=audio_iter_size,
sample_width=audio_sample_width,
)
if not device_id or not device_model_id:
try:
with open(device_config) as f:
device = json.load(f)
device_id = device['id']
device_model_id = device['model_id']
logging.info("Using device model %s and device id %s",
device_model_id, device_id)
except Exception as e:
logging.warning('Device config not found: %s' % e)
logging.info('Registering device')
if not device_model_id:
logging.error('Option --device-model-id required '
'when registering a device instance.')
sys.exit(-1)
if not project_id:
logging.error('Option --project-id required '
'when registering a device instance.')
sys.exit(-1)
device_base_url = ('https://%s/v1alpha2/projects/%s/devices' %
(api_endpoint, project_id))
device_id = str(uuid.uuid1())
payload = {
'id': device_id,
'model_id': device_model_id,
'client_type': 'SDK_SERVICE'
}
session = google.auth.transport.requests.AuthorizedSession(
credentials)
r = session.post(device_base_url, data=json.dumps(payload))
if r.status_code != 200:
logging.error('Failed to register device: %s', r.text)
sys.exit(-1)
logging.info('Device registered: %s', device_id)
pathlib.Path(os.path.dirname(device_config)).mkdir(exist_ok=True)
with open(device_config, 'w') as f:
json.dump(payload, f)
device_handler = device_helpers.DeviceRequestHandler(device_id)
@device_handler.command('action.devices.commands.OnOff')
def onoff(on):
if on:
logging.info('Turning device on')
logging.warning('U CAN DO SOMETHING IN THERE FOR ON!!!')
else:
logging.info('Turning device off')
logging.warning('U CAN DO SOMETHING IN THERE FOR OFF!!!')
@device_handler.command('action.devices.commands.BrightnessAbsolute')
def brightnessCheck(brightness):
if brightness > 50:
logging.info('brightness > 50')
else:
logging.info('brightness <= 50')
@device_handler.command('action.devices.commands.ColorAbsolute')
def color(color):
if color.get('name') == "blue":
logging.info('color is blue')
else:
logging.info('color is not blue')
@device_handler.command('com.example.commands.BlinkLight')
def blink(speed, number):
logging.info('Blinking device %s times.' % number)
delay = 1
if speed == "SLOWLY":
delay = 2
elif speed == "QUICKLY":
delay = 0.5
for i in range(int(number)):
logging.info('Device is blinking.')
time.sleep(delay)
with SampleAssistant(lang, device_model_id, device_id, conversation_stream,
display, grpc_channel, grpc_deadline,
device_handler) as assistant:
# If file arguments are supplied:
# exit after the first turn of the conversation.
if input_audio_file or output_audio_file:
assistant.assist()
return
# If no file arguments supplied:
# keep recording voice requests using the microphone
# and playing back assistant response using the speaker.
# When the once flag is set, don't wait for a trigger. Otherwise, wait.
wait_for_user_trigger = not once
while True:
if wait_for_user_trigger:
click.pause(info='Press Enter to send a new request...')
continue_conversation = assistant.assist()
# wait for user trigger if there is no follow-up turn in
# the conversation.
wait_for_user_trigger = not continue_conversation
# If we only want one conversation, break.
if once and (not continue_conversation):
break
def main(api_endpoint, credentials, project_id,
device_model_id, device_id, device_config, lang, verbose,
input_audio_file, output_audio_file,
audio_sample_rate, audio_sample_width,
audio_iter_size, audio_block_size, audio_flush_size,
grpc_deadline, once, *args, **kwargs):
"""Samples for the Google Assistant API.
Examples:
Run the sample with microphone input and speaker output:
$ python -m googlesamples.assistant
Run the sample with file input and speaker output:
$ python -m googlesamples.assistant -i <input file>
Run the sample with file input and output:
$ python -m googlesamples.assistant -i <input file> -o <output file>
"""
# Setup logging.
logging.basicConfig(level=logging.DEBUG if verbose else logging.INFO)
# Load OAuth 2.0 credentials.
try:
with open(credentials, 'r') as f:
credentials = google.oauth2.credentials.Credentials(token=None,
**json.load(f))
http_request = google.auth.transport.requests.Request()
credentials.refresh(http_request)
except Exception as e:
logging.error('Error loading credentials: %s', e)
logging.error('Run google-oauthlib-tool to initialize '
'new OAuth 2.0 credentials.')
sys.exit(-1)
# Create an authorized gRPC channel.
grpc_channel = google.auth.transport.grpc.secure_authorized_channel(
credentials, http_request, api_endpoint)
logging.info('Connecting to %s', api_endpoint)
# Configure audio source and sink.
audio_device = None
if input_audio_file:
audio_source = audio_helpers.WaveSource(
open(input_audio_file, 'rb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width
)
else:
audio_source = audio_device = (
audio_device or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size
)
)
if output_audio_file:
audio_sink = audio_helpers.WaveSink(
open(output_audio_file, 'wb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width
)
else:
audio_sink = audio_device = (
audio_device or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size
)
)
# Create conversation stream with the given audio source and sink.
conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=audio_iter_size,
sample_width=audio_sample_width,
)
device_handler = device_helpers.DeviceRequestHandler(device_id)
@device_handler.command('action.devices.commands.OnOff')
def onoff(on):
if on:
logging.info('Turning device on')
else:
logging.info('Turning device off')
if not device_id or not device_model_id:
try:
with open(device_config) as f:
device = json.load(f)
device_id = device['id']
device_model_id = device['model_id']
except Exception as e:
logging.warning('Device config not found: %s' % e)
logging.info('Registering device')
if not device_model_id:
logging.error('Option --device-model-id required '
'when registering a device instance.')
sys.exit(-1)
if not project_id:
logging.error('Option --project-id required '
'when registering a device instance.')
sys.exit(-1)
device_base_url = (
'https://%s/v1alpha2/projects/%s/devices' % (api_endpoint,
project_id)
)
device_id = str(uuid.uuid1())
payload = {
'id': device_id,
'model_id': device_model_id
}
session = google.auth.transport.requests.AuthorizedSession(
credentials
)
r = session.post(device_base_url, data=json.dumps(payload))
if r.status_code != 200:
logging.error('Failed to register device: %s', r.text)
sys.exit(-1)
logging.info('Device registered: %s', device_id)
os.makedirs(os.path.dirname(device_config), exist_ok=True)
with open(device_config, 'w') as f:
json.dump(payload, f)
with SampleAssistant(lang, device_model_id, device_id,
conversation_stream,
grpc_channel, grpc_deadline,
device_handler) as assistant:
# If file arguments are supplied:
# exit after the first turn of the conversation.
if input_audio_file or output_audio_file:
assistant.assist()
return
# If no file arguments supplied:
# keep recording voice requests using the microphone
# and playing back assistant response using the speaker.
# When the once flag is set, don't wait for a trigger. Otherwise, wait.
wait_for_user_trigger = not once
while True:
if wait_for_user_trigger:
button_state=GPIO.input(22)
if button_state==True:
continue
else:
pass
continue_conversation = assistant.assist()
# wait for user trigger if there is no follow-up turn in
# the conversation.
wait_for_user_trigger = not continue_conversation
# If we only want one conversation, break.
if once and (not continue_conversation):
break
def main():
args = imp.load_source('args', INFO_FILE)
if not hasattr(args, 'credentials'):
args.credentials = os.path.join(os.path.expanduser('~/.config'),
'google-oauthlib-tool',
'credentials.json')
if not hasattr(args, 'device_config'):
args.device_config = os.path.join(os.path.expanduser('~/.config'),
'googlesamples-assistant',
'device_config.json')
verbose = False
credentials = args.credentials
project_id = args.project_id
device_config = args.device_config
device_id = ''
device_model_id = args.device_model_id
api_endpoint = 'embeddedassistant.googleapis.com'
audio_sample_rate = audio_helpers.DEFAULT_AUDIO_SAMPLE_RATE
audio_sample_width = audio_helpers.DEFAULT_AUDIO_SAMPLE_WIDTH
audio_block_size = audio_helpers.DEFAULT_AUDIO_DEVICE_BLOCK_SIZE
audio_flush_size = audio_helpers.DEFAULT_AUDIO_DEVICE_FLUSH_SIZE
audio_iter_size = audio_helpers.DEFAULT_AUDIO_ITER_SIZE
grpc_deadline = 60 * 3 + 5
lang = 'en-US'
once = False
play_audio_file(resources['startup'])
# Setup logging.
logging.basicConfig(level=logging.DEBUG if verbose else logging.INFO)
# Load OAuth 2.0 credentials.
try:
with open(credentials, 'r') as f:
credentials = google.oauth2.credentials.Credentials(token=None,
**json.load(f))
http_request = google.auth.transport.requests.Request()
credentials.refresh(http_request)
except Exception as e:
logging.error('Error loading credentials: %s', e)
logging.error('Run google-oauthlib-tool to initialize '
'new OAuth 2.0 credentials.')
sys.exit(-1)
# Create an authorized gRPC channel.
grpc_channel = google.auth.transport.grpc.secure_authorized_channel(
credentials, http_request, api_endpoint)
logging.info('Connecting to %s', api_endpoint)
# Configure audio source and sink.
audio_device = None
audio_source = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
audio_sink = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
# Create conversation stream with the given audio source and sink.
conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=audio_iter_size,
sample_width=audio_sample_width,
)
device_handler = device_helpers.DeviceRequestHandler(device_id)
@device_handler.command('action.devices.commands.OnOff')
def onoff(on):
if on:
logging.info('Turning device on')
else:
logging.info('Turning device off')
if not device_id or not device_model_id:
try:
with open(device_config) as f:
device = json.load(f)
device_id = device['id']
device_model_id = device['model_id']
except Exception as e:
logging.warning('Device config not found: %s' % e)
logging.info('Registering device')
if not device_model_id:
logging.error('Option --device-model-id required '
'when registering a device instance.')
sys.exit(-1)
if not project_id:
logging.error('Option --project-id required '
'when registering a device instance.')
sys.exit(-1)
device_base_url = ('https://%s/v1alpha2/projects/%s/devices' %
(api_endpoint, project_id))
device_id = str(uuid.uuid1())
payload = {
'id': device_id,
'model_id': device_model_id,
'client_type': 'SDK_SERVICE'
}
session = google.auth.transport.requests.AuthorizedSession(
credentials)
r = session.post(device_base_url, data=json.dumps(payload))
if r.status_code != 200:
logging.error('Failed to register device: %s', r.text)
sys.exit(-1)
logging.info('Device registered: %s', device_id)
pathlib.Path(os.path.dirname(device_config)).mkdir(exist_ok=True)
with open(device_config, 'w') as f:
json.dump(payload, f)
with SampleAssistant(lang, device_model_id, device_id, conversation_stream,
grpc_channel, grpc_deadline,
device_handler) as assistant:
# If file arguments are supplied:
# exit after the first turn of the conversation.
# If no file arguments supplied:
# keep recording voice requests using the microphone
# and playing back assistant response using the speaker.
# When the once flag is set, don't wait for a trigger. Otherwise, wait.
wait_for_user_trigger = not once
while True:
if wait_for_user_trigger:
if GPIO != None:
button_state = GPIO.input(22)
else:
#use keyboard as a trigger
button_state = get_key_stroke()
if button_state == False:
continue
else:
#button_state=False
pass
continue_conversation = assistant.assist()
# wait for user trigger if there is no follow-up turn in
# the conversation.
wait_for_user_trigger = not continue_conversation
# If we only want one conversation, break.
if once and (not continue_conversation):
break
def main(api_endpoint, credentials, project_id, device_model_id, device_id,
device_config, lang, verbose, input_audio_file, output_audio_file,
audio_sample_rate, audio_sample_width, audio_iter_size,
audio_block_size, audio_flush_size, grpc_deadline, once, *args,
**kwargs):
"""Samples for the Google Assistant API.
Examples:
Run the sample with microphone input and speaker output:
$ python -m googlesamples.assistant
Run the sample with file input and speaker output:
$ python -m googlesamples.assistant -i <input file>
Run the sample with file input and output:
$ python -m googlesamples.assistant -i <input file> -o <output file>
"""
# Setup logging.
logging.basicConfig(level=logging.DEBUG if verbose else logging.INFO)
# Load OAuth 2.0 credentials.
try:
with open(credentials, 'r') as f:
credentials = google.oauth2.credentials.Credentials(token=None,
**json.load(f))
http_request = google.auth.transport.requests.Request()
credentials.refresh(http_request)
except Exception as e:
logging.error('Error loading credentials: %s', e)
logging.error('Run google-oauthlib-tool to initialize '
'new OAuth 2.0 credentials.')
sys.exit(-1)
# D-Bus preparation
cv_trigger = Condition(Lock())
eventq = Queue()
dbus_obj = DBusSignals()
loop = GLib.MainLoop()
system_bus = SystemBus()
def dbus_handler(sender, object, iface, signal, params):
# logging.info(sender)
# logging.info(object)
# logging.info(signal)
# logging.info(params)
logging.debug('Received D-Bus signal: {}'.format(signal))
if signal == 'trigger':
cv_trigger.acquire()
cv_trigger.notify()
cv_trigger.release()
pub = system_bus.publish("io.respeaker.respeakerd", dbus_obj)
sub = system_bus.subscribe(iface='respeakerd.signal',
signal_fired=dbus_handler)
def exit_dbus():
sub.unsubscribe()
pub.unpublish()
# Create an authorized gRPC channel.
grpc_channel = google.auth.transport.grpc.secure_authorized_channel(
credentials, http_request, api_endpoint)
logging.info('Connecting to %s', api_endpoint)
# Configure audio source and sink.
audio_device = None
if input_audio_file:
audio_source = audio_helpers.WaveSource(
open(input_audio_file, 'rb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width)
else:
audio_source = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
if output_audio_file:
audio_sink = audio_helpers.WaveSink(open(output_audio_file, 'wb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width)
else:
audio_sink = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
# Create conversation stream with the given audio source and sink.
conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=audio_iter_size,
sample_width=audio_sample_width,
)
if not device_id or not device_model_id:
try:
with open(device_config) as f:
device = json.load(f)
device_id = device['id']
device_model_id = device['model_id']
logging.info("Using device model %s and device id %s",
device_model_id, device_id)
except Exception as e:
logging.warning('Device config not found: %s' % e)
logging.info('Registering device')
if not device_model_id:
logging.error('Option --device-model-id required '
'when registering a device instance.')
exit_dbus()
sys.exit(-1)
if not project_id:
logging.error('Option --project-id required '
'when registering a device instance.')
exit_dbus()
sys.exit(-1)
device_base_url = ('https://%s/v1alpha2/projects/%s/devices' %
(api_endpoint, project_id))
device_id = str(uuid.uuid1())
payload = {
'id': device_id,
'model_id': device_model_id,
'client_type': 'SDK_SERVICE'
}
session = google.auth.transport.requests.AuthorizedSession(
credentials)
r = session.post(device_base_url, data=json.dumps(payload))
if r.status_code != 200:
logging.error('Failed to register device: %s', r.text)
exit_dbus()
sys.exit(-1)
logging.info('Device registered: %s', device_id)
pathlib.Path(os.path.dirname(device_config)).mkdir(exist_ok=True)
with open(device_config, 'w') as f:
json.dump(payload, f)
device_handler = device_helpers.DeviceRequestHandler(device_id)
@device_handler.command('action.devices.commands.OnOff')
def onoff(on):
if on:
logging.info('Turning device on')
else:
logging.info('Turning device off')
# If file arguments are supplied:
# exit after the first turn of the conversation.
if input_audio_file or output_audio_file:
with SampleAssistant(lang, device_model_id, device_id,
conversation_stream, grpc_channel, grpc_deadline,
device_handler, eventq) as assistant:
dbus_obj.ready()
assistant.assist()
exit_dbus()
return
# else it's a long term run
def assistant_thread(conversation_stream_):
with SampleAssistant(lang, device_model_id, device_id,
conversation_stream_, grpc_channel, grpc_deadline,
device_handler, eventq) as assistant:
dbus_obj.ready()
# If no file arguments supplied:
# keep recording voice requests using the microphone
# and playing back assistant response using the speaker.
# When the once flag is set, don't wait for a trigger. Otherwise, wait.
wait_for_user_trigger = not once
# capture device should always be opened when not playing
conversation_stream_.start_recording()
while True:
if wait_for_user_trigger:
logging.info("speak hotword to wake up")
cv_trigger.acquire()
cv_trigger.wait()
cv_trigger.release()
logging.info("wake up!")
continue_conversation = False
try:
continue_conversation = assistant.assist()
except PortAudioError as e:
logging.warn('PortAudio Error: {}'.format(str(e)))
eventq.put('on_idle')
# wait for user trigger if there is no follow-up turn in
# the conversation.
wait_for_user_trigger = not continue_conversation
# If we only want one conversation, break.
if once and (not continue_conversation):
break
exit_dbus()
logging.debug('Exit from the assistant thread...')
loop.quit()
def event_process_thread():
while True:
event = eventq.get()
if event == 'on_listen':
dbus_obj.on_listen()
elif event == 'on_think':
dbus_obj.on_think()
elif event == 'on_speak':
dbus_obj.on_speak()
elif event == 'on_idle':
dbus_obj.on_idle()
time.sleep(0.5)
def on_exit(sig):
exit_dbus()
loop.quit()
logging.info("Quit...")
setup_signals(
signals=[sys_signal.SIGINT, sys_signal.SIGTERM, sys_signal.SIGHUP],
handler=on_exit)
# make conversation_stream writable inside thread
thrd1 = Thread(target=assistant_thread, args=(conversation_stream, ))
thrd2 = Thread(target=event_process_thread)
thrd1.daemon = True
thrd2.daemon = True
thrd1.start()
thrd2.start()
logging.info("Glib mainloop start running...")
loop.run()
dbus_obj.on_idle()
def main(keyword_file_paths, library_path, model_file_path, asensitivities,
input_audio_device_index, output_path, show_audio_devices_info,
api_endpoint, credentials, project_id, device_model_id, device_id,
device_config, lang, display, verbose, input_audio_file,
output_audio_file, audio_sample_rate, audio_sample_width,
audio_iter_size, audio_block_size, audio_flush_size, grpc_deadline,
once, *args, **kwargs):
# Load OAuth 2.0 credentials.
try:
with open(credentials, 'r') as f:
credentials = google.oauth2.credentials.Credentials(token=None,
**json.load(f))
http_request = google.auth.transport.requests.Request()
#print http_request
credentials.refresh(http_request)
except Exception as e:
logging.error('Error loading credentials: %s', e)
logging.error('Run google-oauthlib-tool to initialize '
'new OAuth 2.0 credentials.')
sys.exit(-1)
# Create an authorized gRPC channel.
grpc_channel = google.auth.transport.grpc.secure_authorized_channel(
credentials, http_request, api_endpoint)
logging.info('Connecting to %s', api_endpoint)
# Configure audio source and sink.
audio_device = None
if input_audio_file:
audio_source = audio_helpers.WaveSource(
open(input_audio_file, 'rb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width)
else:
audio_source = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
if output_audio_file:
audio_sink = audio_helpers.WaveSink(open(output_audio_file, 'wb'),
sample_rate=audio_sample_rate,
sample_width=audio_sample_width)
else:
audio_sink = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=audio_sample_rate,
sample_width=audio_sample_width,
block_size=audio_block_size,
flush_size=audio_flush_size))
# Create conversation stream with the given audio source and sink.
conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=audio_iter_size,
sample_width=audio_sample_width,
)
if not device_id or not device_model_id:
try:
with open(device_config) as f:
device = json.load(f)
device_id = device['id']
device_model_id = device['model_id']
logging.info("Using device model %s and device id %s",
device_model_id, device_id)
except Exception as e:
logging.warning('Device config not found: %s' % e)
logging.info('Registering device')
if not device_model_id:
logging.error('Option --device-model-id required '
'when registering a device instance.')
sys.exit(-1)
if not project_id:
logging.error('Option --project-id required '
'when registering a device instance.')
sys.exit(-1)
device_base_url = ('https://%s/v1alpha2/projects/%s/devices' %
(api_endpoint, project_id))
device_id = str(uuid.uuid1())
payload = {
'id': device_id,
'model_id': device_model_id,
'client_type': 'SDK_SERVICE'
}
session = google.auth.transport.requests.AuthorizedSession(
credentials)
r = session.post(device_base_url, data=json.dumps(payload))
if r.status_code != 200:
logging.error('Failed to register device: %s', r.text)
sys.exit(-1)
logging.info('Device registered: %s', device_id)
pathlib.Path(os.path.dirname(device_config)).mkdir(exist_ok=True)
with open(device_config, 'w') as f:
json.dump(payload, f)
device_handler = device_helpers.DeviceRequestHandler(device_id)
@device_handler.command('action.devices.commands.OnOff')
def onoff(on):
if on:
logging.info('Turning device on')
else:
logging.info('Turning device off')
@device_handler.command('com.example.commands.BlinkLight')
def blink(speed, number):
logging.info('Blinking device %s times.' % number)
delay = 1
if speed == "slowly":
delay = 2
elif speed == "quickly":
delay = 0.5
for i in range(int(number)):
logging.info('Device is blinking.')
time.sleep(delay)
if show_audio_devices_info:
PorcupineDemo.show_audio_devices_info()
else:
if not keyword_file_paths:
raise ValueError('keyword file paths are missing')
keyword_file_paths = [x.strip() for x in keyword_file_paths.split(',')]
if isinstance(asensitivities, float):
sensitivities = [asensitivities] * len(keyword_file_paths)
else:
sensitivities = [float(x) for x in asensitivities.split(',')]
PorcupineDemo(lang,
device_model_id,
device_id,
conversation_stream,
display,
grpc_channel,
grpc_deadline,
device_handler,
library_path,
model_file_path,
keyword_file_paths,
sensitivities,
input_device_index=input_audio_device_index,
output_path=output_path).run()
print input_audio_device_index
def __init__(self,
credentials_file=os.path.join(os.path.expanduser('~'),
'.config',
'google-oauthlib-tool',
'credentials.json'),
device_config=os.path.join(os.path.expanduser('~'), '.config',
'googlesamples-assistant',
'device_config.json'),
lang='en-US',
conversation_start_fifo=os.path.join(os.path.sep, 'tmp',
'pushtotalk.fifo'),
*args,
**kwargs):
""" Params:
credentials_file -- Path to the Google OAuth credentials file
(default: ~/.config/google-oauthlib-tool/credentials.json)
device_config -- Path to device_config.json. Register your
device and create a project, then run the pushtotalk.py
script from googlesamples to create your device_config.json
lang -- Assistant language (default: en-US)
"""
super().__init__(*args, **kwargs)
self.lang = lang
self.credentials_file = credentials_file
self.device_config = device_config
self.conversation_start_fifo = conversation_start_fifo
try:
os.mkfifo(self.conversation_start_fifo)
except FileExistsError:
pass
with open(self.device_config) as f:
device = json.load(f)
self.device_id = device['id']
self.device_model_id = device['model_id']
# Load OAuth 2.0 credentials.
try:
with open(self.credentials_file, 'r') as f:
credentials = google.oauth2.credentials.Credentials(
token=None, **json.load(f))
http_request = google.auth.transport.requests.Request()
credentials.refresh(http_request)
except:
logging.error('Error loading credentials: %s', e)
logging.error('Run google-oauthlib-tool to initialize '
'new OAuth 2.0 credentials.')
raise
# Create an authorized gRPC channel.
self.grpc_channel = google.auth.transport.grpc.secure_authorized_channel(
credentials, http_request, self.api_endpoint)
logging.info('Connecting to %s', self.api_endpoint)
# Configure audio source and sink.
audio_device = None
audio_source = audio_device = (
audio_device or audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size))
audio_sink = audio_device = (audio_device
or audio_helpers.SoundDeviceStream(
sample_rate=self.audio_sample_rate,
sample_width=self.audio_sample_width,
block_size=self.audio_block_size,
flush_size=self.audio_flush_size))
# Create conversation stream with the given audio source and sink.
self.conversation_stream = audio_helpers.ConversationStream(
source=audio_source,
sink=audio_sink,
iter_size=self.audio_iter_size,
sample_width=self.audio_sample_width,
)
self.device_handler = device_helpers.DeviceRequestHandler(
self.device_id)