/
hotword.py
executable file
·212 lines (178 loc) · 8.77 KB
/
hotword.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
#!/usr/bin/env python
# Copyright (C) 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.
from __future__ import print_function
import argparse
import os.path
import json
import google.auth.transport.requests
import google.oauth2.credentials
from google.assistant.library import Assistant
from google.assistant.library.event import EventType
from google.assistant.library.file_helpers import existing_file
import paho.mqtt.publish as mqtt_publish
from paho.mqtt.client import Client
from time import sleep
import shelve
DEVICE_API_URL = 'https://embeddedassistant.googleapis.com/v1alpha2'
class HotWord(object):
def __init__(self):
self.received_lamp_state = None
self.color_database = json.load(open('color.json'))
self.client=Client(client_id ='google_home')
self.client.on_connect = self.on_connect
self.client.connect('localhost',port=1883,keepalive=60)
self._wait_for_lamp_state()
self.client.loop_start()
def _receive_lamp_state(self, client, userdata, message):
print(message.payload)
self.received_lamp_state = json.loads(message.payload.decode("utf-8") )
def on_connect(self,client, userdata, flags, rc):
client.message_callback_add('/lamp/changed', self._receive_lamp_state)
client.subscribe('/lamp/changed', qos=1)
def _wait_for_lamp_state(self):
for i in range(10):
if self.received_lamp_state:
return
self.client.loop(0.05)
raise Exception("Timeout waiting for lamp state")
def process_device_actions(self,event, device_id):
if 'inputs' in event.args:
for i in event.args['inputs']:
if i['intent'] == 'action.devices.EXECUTE':
for c in i['payload']['commands']:
for device in c['devices']:
if device['id'] == device_id:
if 'execution' in c:
for e in c['execution']:
if 'params' in e:
yield e['command'], e['params']
else:
yield e['command'], None
def process_event(self,event, device_id):
"""Pretty prints events.
Prints all events that occur with two spaces between each new
conversation and a single space between turns of a conversation.
Args:
event(event.Event): The current event to process.
device_id(str): The device ID of the new instance.
"""
if event.type == EventType.ON_CONVERSATION_TURN_STARTED:
print()
print(event)
if (event.type == EventType.ON_CONVERSATION_TURN_FINISHED and
event.args and not event.args['with_follow_on_turn']):
print()
if event.type == EventType.ON_DEVICE_ACTION:
for command, params in self.process_device_actions(event, device_id):
print('Do command', command, 'with params', str(params))
if command == "action.devices.commands.OnOff":
if params['on']:
self.received_lamp_state['client'] = 'google_home'
self.received_lamp_state['on'] = True
print('Turning the LED on.')
else:
self.received_lamp_state['client'] = 'google_home'
self.received_lamp_state['on'] = False
print('Turning the LED off.')
self.client.publish('/lamp/set_config', json.dumps(self.received_lamp_state), qos=1)
if command == "action.devices.commands.ColorAbsolute":
if params['color']:
print("hello it is me color")
color = params['color'].get('name')
hue = self.color_database[color]['hue']
saturation = self.color_database[color]['saturation']
self.received_lamp_state['color']['h'] = round(hue, 2)
self.received_lamp_state['color']['s'] = round(saturation, 2)
self.received_lamp_state['client'] = 'google_home'
self.client.publish('/lamp/set_config', json.dumps(self.received_lamp_state), qos=1)
if command == "action.devices.commands.BrightnessAbsolute":
if params['brightness']:
print("hello")
brightness = (params['brightness'])/100
print(brightness)
self.received_lamp_state['brightness'] = brightness
self.received_lamp_state['client'] = 'google_home'
self.client.publish('/lamp/set_config', json.dumps(self.received_lamp_state), qos=1)
sleep(0.1)
self.client.loop_stop()
def register_device(self,project_id, credentials, device_model_id, device_id):
"""Register the device if needed.
Registers a new assistant device if an instance with the given id
does not already exists for this model.
Args:
project_id(str): The project ID used to register device instance.
credentials(google.oauth2.credentials.Credentials): The Google
OAuth2 credentials of the user to associate the device
instance with.
device_model_id(str): The registered device model ID.
device_id(str): The device ID of the new instance.
"""
base_url = '/'.join([DEVICE_API_URL, 'projects', project_id, 'devices'])
device_url = '/'.join([base_url, device_id])
session = google.auth.transport.requests.AuthorizedSession(credentials)
r = session.get(device_url)
print(device_url, r.status_code)
if r.status_code == 404:
print('Registering....')
r = session.post(base_url, data=json.dumps({
'id': device_id,
'model_id': device_model_id,
'client_type': 'SDK_LIBRARY'
}))
if r.status_code != 200:
raise Exception('failed to register device: ' + r.text)
print('\rDevice registered.')
def main(self):
parser = argparse.ArgumentParser(
formatter_class=argparse.RawTextHelpFormatter)
parser.add_argument('--credentials', type=existing_file,
metavar='OAUTH2_CREDENTIALS_FILE',
default=os.path.join(
os.path.expanduser('~/.config'),
'google-oauthlib-tool',
'credentials.json'
),
help='Path to store and read OAuth2 credentials')
parser.add_argument('--device_model_id', type=str,
metavar='DEVICE_MODEL_ID', required=True,
help='The device model ID registered with Google')
parser.add_argument(
'--project_id',
type=str,
metavar='PROJECT_ID',
required=False,
help='The project ID used to register device instances.')
parser.add_argument(
'-v',
'--version',
action='version',
version='%(prog)s ' +
Assistant.__version_str__())
args = parser.parse_args()
with open(args.credentials, 'r') as f:
credentials = google.oauth2.credentials.Credentials(token=None,
**json.load(f))
with Assistant(credentials, args.device_model_id) as assistant:
events = assistant.start()
print('device_model_id:', args.device_model_id + '\n' +
'device_id:', assistant.device_id + '\n')
if args.project_id:
register_device(args.project_id, credentials,
args.device_model_id, assistant.device_id)
for event in events:
self.process_event(event, assistant.device_id)
if __name__ == '__main__':
hotword = HotWord()
hotword.main()