Created
June 29, 2019 16:22
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mod for AIY Voice
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#!/usr/bin/env python3 | |
# Copyright 2017 Google Inc. | |
# | |
# Licensed under the Apache License, Version 2.0 (the "License"); | |
# you may not use this file except in compliance with the License. | |
# You may obtain a copy of the License at | |
# | |
# http://www.apache.org/licenses/LICENSE-2.0 | |
# | |
# Unless required by applicable law or agreed to in writing, software | |
# distributed under the License is distributed on an "AS IS" BASIS, | |
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
# See the License for the specific language governing permissions and | |
# limitations under the License. | |
"""Run a recognizer using the Google Assistant Library. | |
The Google Assistant Library has direct access to the audio API, so this Python | |
code doesn't need to record audio. Hot word detection "OK, Google" is supported. | |
The Google Assistant Library can be installed with: | |
env/bin/pip install google-assistant-library==0.0.2 | |
It is available for Raspberry Pi 2/3 only; Pi Zero is not supported. | |
""" | |
import logging | |
import subprocess | |
import sys | |
import aiy.assistant.auth_helpers | |
import aiy.audio | |
import aiy.voicehat | |
from google.assistant.library import Assistant | |
from google.assistant.library.event import EventType | |
import vlc | |
logging.basicConfig( | |
level=logging.INFO, | |
format="[%(asctime)s] %(levelname)s:%(name)s:%(message)s" | |
) | |
def power_off_pi(): | |
aiy.audio.say('Good bye!') | |
subprocess.call('sudo shutdown now', shell=True) | |
def reboot_pi(): | |
aiy.audio.say('See you in a bit!') | |
subprocess.call('sudo reboot', shell=True) | |
def say_ip(): | |
ip_address = subprocess.check_output("hostname -I | cut -d' ' -f1", shell=True) | |
aiy.audio.say('My IP address is %s' % ip_address.decode('utf-8')) | |
def radio_off(): | |
try: | |
player.stop() | |
except NameError as e: | |
logging.info("Player isn't playing") | |
def get_station(station_name): | |
stations = { | |
'1': 'http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_radio_one.m3u8', | |
'one': 'http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_radio_one.m3u8', | |
'2': 'http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_radio_two.m3u8', | |
'3': 'http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_radio_three.m3u8', | |
'4': 'http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_radio_fourfm.m3u8', | |
'5': 'http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_radio_five_live.m3u8', | |
'5 sports': 'http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_radio_five_live_sports_extra.m3u8', | |
'6': 'http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_6music.m3u8', | |
'1xtra': 'http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_radio_1xtra.m3u8', | |
'4 extra': 'http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_radio_four_extra.m3u8', | |
'nottingham': 'http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_radio_nottingham.m3u8', | |
'planet rock': 'http://icy-e-bz-08-boh.sharp-stream.com/planetrock.mp3', | |
} | |
return stations[station_name] | |
def radio(text): | |
logging.info("Radio command received: %s ", text) | |
station_name = (text.replace('radio', '', 1)).strip() | |
if station_name == "off": | |
logging.info("Switching radio off") | |
radio_off() | |
return | |
try: | |
station = get_station(station_name) | |
except KeyError as e: | |
logging.error("Error finding station %s", station_name) | |
# Set a default station here | |
station = 'http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_6music.m3u8' | |
logging.info("Playing radio: %s ", station) | |
instance = vlc.Instance() | |
global player | |
player = instance.media_player_new() | |
media = instance.media_new(station) | |
player.set_media(media) | |
player.play() | |
def process_event(assistant, event): | |
status_ui = aiy.voicehat.get_status_ui() | |
if event.type == EventType.ON_START_FINISHED: | |
status_ui.status('ready') | |
if sys.stdout.isatty(): | |
print('Say "OK, Google" then speak, or press Ctrl+C to quit...') | |
elif event.type == EventType.ON_CONVERSATION_TURN_STARTED: | |
status_ui.status('listening') | |
elif event.type == EventType.ON_RECOGNIZING_SPEECH_FINISHED and event.args: | |
print('You said:', event.args['text']) | |
text = event.args['text'].lower() | |
if text == 'power off': | |
assistant.stop_conversation() | |
power_off_pi() | |
elif text == 'reboot': | |
assistant.stop_conversation() | |
reboot_pi() | |
elif text == 'ip address': | |
assistant.stop_conversation() | |
say_ip() | |
elif 'radio' in text: | |
assistant.stop_conversation() | |
radio(text) | |
elif event.type == EventType.ON_END_OF_UTTERANCE: | |
status_ui.status('thinking') | |
elif event.type == EventType.ON_CONVERSATION_TURN_FINISHED: | |
status_ui.status('ready') | |
elif event.type == EventType.ON_ASSISTANT_ERROR and event.args and event.args['is_fatal']: | |
sys.exit(1) | |
def _on_button_pressed(): | |
radio_off() | |
def main(): | |
credentials = aiy.assistant.auth_helpers.get_assistant_credentials() | |
with Assistant(credentials) as assistant: | |
aiy.voicehat.get_button().on_press(_on_button_pressed) | |
for event in assistant.start(): | |
process_event(assistant, event) | |
if __name__ == '__main__': | |
main() |
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