/
main.py
executable file
·482 lines (453 loc) · 16.7 KB
/
main.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
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
#! /usr/bin/env python
import os
import random
import time
#import RPi.GPIO as GPIO
import alsaaudio
import wave
import random
from creds import *
import requests
import json
import re
from memcache import Client
import vlc
import threading
from pyA20.gpio import gpio
from pyA20.gpio import port
#Settings
#button = 18 # GPIO Pin with button connected
button = port.PA20 # GPIO Pin with button connected
#plb_light = 24 # GPIO Pin for the playback/activity light
plb_light = port.PA9 # GPIO Pin for the playback/activity light
#rec_light = 25 # GPIO Pin for the recording light
rec_light = port.PA8 # GPIO Pin for the recording light
lights = [plb_light, rec_light] # GPIO Pins with LED's connected
#device = "plughw:1" # Name of your microphone/sound card in arecord -L
device = "plughw:audiocodec" # Name of your microphone/sound card in arecord -L
playlists = set(['pls','m3u','ash'])
#Setup
recorded = False
servers = ["127.0.0.1:11211"]
mc = Client(servers, debug=1)
path = os.path.realpath(__file__).rstrip(os.path.basename(__file__))
#Variables
p = ""
nav_token = ""
streamurl = ""
streamid = ""
position = 0
audioplaying = False
#Debug
debug = 0
class bcolors:
HEADER = '\033[95m'
OKBLUE = '\033[94m'
OKGREEN = '\033[92m'
WARNING = '\033[93m'
FAIL = '\033[91m'
ENDC = '\033[0m'
BOLD = '\033[1m'
UNDERLINE = '\033[4m'
def internet_on():
print("Checking Internet Connection...")
try:
r =requests.get('https://api.amazon.com/auth/o2/token')
print("Connection {}OK{}".format(bcolors.OKGREEN, bcolors.ENDC))
return True
except:
print("Connection {}Failed{}".format(bcolors.WARNING, bcolors.ENDC))
return False
def gettoken():
token = mc.get("access_token")
refresh = refresh_token
if token:
return token
elif refresh:
payload = {"client_id" : Client_ID, "client_secret" : Client_Secret, "refresh_token" : refresh, "grant_type" : "refresh_token", }
url = "https://api.amazon.com/auth/o2/token"
r = requests.post(url, data = payload)
resp = json.loads(r.text)
mc.set("access_token", resp['access_token'], 3570)
return resp['access_token']
else:
return False
def alexa_speech_recognizer():
# https://developer.amazon.com/public/solutions/alexa/alexa-voice-service/rest/speechrecognizer-requests
if debug: print("{}Sending Speech Request...{}".format(bcolors.OKBLUE, bcolors.ENDC))
# GPIO.output(plb_light, GPIO.HIGH)
gpio.output(plb_light, gpio.HIGH)
url = 'https://access-alexa-na.amazon.com/v1/avs/speechrecognizer/recognize'
headers = {'Authorization' : 'Bearer %s' % gettoken()}
d = {
"messageHeader": {
"deviceContext": [
{
"name": "playbackState",
"namespace": "AudioPlayer",
"payload": {
"streamId": "",
"offsetInMilliseconds": "0",
"playerActivity": "IDLE"
}
}
]
},
"messageBody": {
"profile": "alexa-close-talk",
"locale": "en-us",
"format": "audio/L16; rate=16000; channels=1"
}
}
with open(path+'recording.wav') as inf:
files = [
('file', ('request', json.dumps(d), 'application/json; charset=UTF-8')),
('file', ('audio', inf, 'audio/L16; rate=16000; channels=1'))
]
r = requests.post(url, headers=headers, files=files)
process_response(r)
def alexa_getnextitem(nav_token):
# https://developer.amazon.com/public/solutions/alexa/alexa-voice-service/rest/audioplayer-getnextitem-request
time.sleep(0.5)
if audioplaying == False:
if debug: print("{}Sending GetNextItem Request...{}".format(bcolors.OKBLUE, bcolors.ENDC))
# GPIO.output(plb_light, GPIO.HIGH)
# gpio.output(plb_light, gpio.HIGH)
gpio.output(rec_light, gpio.HIGH)
url = 'https://access-alexa-na.amazon.com/v1/avs/audioplayer/getNextItem'
headers = {'Authorization' : 'Bearer %s' % gettoken(), 'content-type' : 'application/json; charset=UTF-8'}
d = {
"messageHeader": {},
"messageBody": {
"navigationToken": nav_token
}
}
r = requests.post(url, headers=headers, data=json.dumps(d))
process_response(r)
def alexa_playback_progress_report_request(requestType, playerActivity, streamid):
# https://developer.amazon.com/public/solutions/alexa/alexa-voice-service/rest/audioplayer-events-requests
# streamId Specifies the identifier for the current stream.
# offsetInMilliseconds Specifies the current position in the track, in milliseconds.
# playerActivity IDLE, PAUSED, or PLAYING
if debug: print("{}Sending Playback Progress Report Request...{}".format(bcolors.OKBLUE, bcolors.ENDC))
headers = {'Authorization' : 'Bearer %s' % gettoken()}
d = {
"messageHeader": {},
"messageBody": {
"playbackState": {
"streamId": streamid,
"offsetInMilliseconds": 0,
"playerActivity": playerActivity.upper()
}
}
}
if requestType.upper() == "ERROR":
# The Playback Error method sends a notification to AVS that the audio player has experienced an issue during playback.
url = "https://access-alexa-na.amazon.com/v1/avs/audioplayer/playbackError"
elif requestType.upper() == "FINISHED":
# The Playback Finished method sends a notification to AVS that the audio player has completed playback.
url = "https://access-alexa-na.amazon.com/v1/avs/audioplayer/playbackFinished"
elif requestType.upper() == "IDLE":
# The Playback Idle method sends a notification to AVS that the audio player has reached the end of the playlist.
url = "https://access-alexa-na.amazon.com/v1/avs/audioplayer/playbackIdle"
elif requestType.upper() == "INTERRUPTED":
# The Playback Interrupted method sends a notification to AVS that the audio player has been interrupted.
# Note: The audio player may have been interrupted by a previous stop Directive.
url = "https://access-alexa-na.amazon.com/v1/avs/audioplayer/playbackInterrupted"
elif requestType.upper() == "PROGRESS_REPORT":
# The Playback Progress Report method sends a notification to AVS with the current state of the audio player.
url = "https://access-alexa-na.amazon.com/v1/avs/audioplayer/playbackProgressReport"
elif requestType.upper() == "STARTED":
# The Playback Started method sends a notification to AVS that the audio player has started playing.
url = "https://access-alexa-na.amazon.com/v1/avs/audioplayer/playbackStarted"
r = requests.post(url, headers=headers, data=json.dumps(d))
if r.status_code != 204:
print("{}(alexa_playback_progress_report_request Response){} {}".format(bcolors.WARNING, bcolors.ENDC, r))
else:
if debug: print("{}Playback Progress Report was {}Successful!{}".format(bcolors.OKBLUE, bcolors.OKGREEN, bcolors.ENDC))
def process_response(r):
global nav_token, streamurl, streamid
if debug: print("{}Processing Request Response...{}".format(bcolors.OKBLUE, bcolors.ENDC))
nav_token = ""
streamurl = ""
streamid = ""
if r.status_code == 200:
for v in r.headers['content-type'].split(";"):
if re.match('.*boundary.*', v):
boundary = v.split("=")[1]
data = r.content.split(boundary)
n = re.search('(?=audio\/mpeg)(.*?)(?=\r\n)', r.content)
r.connection.close()
audio = ""
for d in data:
m = re.search('(?<=Content\-Type: )(.*?)(?=\r\n)', d)
if m:
c_type = m.group(0)
if c_type == 'application/json':
json_r = d.split('\r\n\r\n')[1].rstrip('\r\n--')
if debug: print("{}JSON String Returned:{} {}".format(bcolors.OKBLUE, bcolors.ENDC, json_r))
nav_token = json_string_value(json_r, "navigationToken")
streamurl = json_string_value(json_r, "streamUrl")
if json_r.find('"progressReportRequired":false') == -1:
streamid = json_string_value(json_r, "streamId")
if streamurl.find("cid:") == 0:
streamurl = ""
playBehavior = json_string_value(json_r, "playBehavior")
if n == None and streamurl != "" and streamid.find("cid:") == -1:
pThread = threading.Thread(target=play_audio, args=(streamurl,))
streamurl = ""
pThread.start()
return
elif c_type == 'audio/mpeg':
audio = d.split('\r\n\r\n')[1].rstrip('--')
if audio != "":
with open(path + "response.mp3", 'wb') as f:
f.write(audio)
# GPIO.output(rec_light, GPIO.LOW)
gpio.output(rec_light, gpio.LOW)
play_audio("response.mp3")
elif r.status_code == 204:
if debug: print("{}Request Response is null {}(This is OKAY!){}".format(bcolors.OKBLUE, bcolors.OKGREEN, bcolors.ENDC))
gpio.output(lights[0], gpio.LOW)
gpio.output(lights[1], gpio.LOW)
else:
print("{}(process_response Error){} Status Code: {}".format(bcolors.WARNING, bcolors.ENDC, r.status_code))
r.connection.close()
# GPIO.output(lights, GPIO.LOW)
gpio.output(lights[0], gpio.LOW)
gpio.output(lights[1], gpio.LOW)
for x in range(0, 3):
time.sleep(.2)
# GPIO.output(rec_light, GPIO.HIGH)
gpio.output(rec_light, gpio.HIGH)
time.sleep(.2)
# GPIO.output(lights, GPIO.LOW)
gpio.output(lights[0], gpio.LOW)
gpio.output(lights[1], gpio.LOW)
def json_string_value(json_r, item):
m = re.search('(?<={}":")(.*?)(?=")'.format(item), json_r)
if m:
if debug: print("{}{}:{} {}".format(bcolors.OKBLUE, item, bcolors.ENDC, m.group(0)))
return m.group(0)
else:
return ""
#Added this to Global project
flag = 0
def end_reached(self):
global flag
flag = 1
print("End reached!")
#End
def play_audio(file):
global nav_token, p, audioplaying, flag #<-added flag here
if debug: print("{}Play_Audio Request for:{} {}".format(bcolors.OKBLUE, bcolors.ENDC, file))
# GPIO.output(24, GPIO.HIGH)
gpio.output(plb_light, gpio.HIGH)
ext = (file.rpartition(".")[2])[:3]
#subprocess.Popen(['mpg123', '-q', '{}{}'.format(path, file)]).wait()
i = vlc.Instance('--aout=alsa', '--alsa-audio-device=hw:CARD=audiocodec,DEV=0')
mrl = ""
print(ext)
if file == "response.mp3" or file == "hello.mp3":
mrl = "{}{}".format(path, file)
else:
mrl = "{}".format(file)
if mrl != "":
if ext in playlists:
#Replaced code here
p=i.media_player_new() # Create new media player
event_manager = p.event_manager() # Attach event to player (next 3 lines)
event=vlc.EventType()
event_manager.event_attach(event.MediaPlayerEndReached, end_reached)
m=i.media_new(mrl) # Create new media
p.set_media(m) # Set URL as the player's media
m.release()
p.play() # play it
while flag == 0: # Wait until the end of the first media has been reached.$
time.sleep(0.5)
if debug: print("{}Loading Playlist...{}".format(bcolors.OKBLUE, bcolors.ENDC))
sub_list = m.subitems() # .. and get the sub itmes in the playlist
sub_list.lock()
sub = sub_list.item_at_index(0) # Get the first sub item
sub_list.unlock()
sub_list.release()
p.set_media(sub) # Set it as the new media in the player
#End of replaced Code
else:
m = i.media_new(mrl)
p = i.media_player_new()
p.set_media(m)
mm = m.event_manager()
#mm.event_attach(vlc.EventType.MediaPlayerTimeChanged, pos_callback)
#mm.event_attach(vlc.EventType.MediaParsedChanged, meta_callback, m)
mm.event_attach(vlc.EventType.MediaStateChanged, state_callback, p)
p.audio_set_volume(100)
if debug: print("{}Requesting Stream...{}".format(bcolors.OKBLUE, bcolors.ENDC))
audioplaying = True
p.play()
while audioplaying:
continue
# GPIO.output(24, GPIO.LOW)
gpio.output(plb_light, gpio.LOW)
else:
print("(play_audio) mrl = Nothing!")
def state_callback(event, player):
global nav_token, audioplaying, streamurl, streamid
state = player.get_state()
#0: 'NothingSpecial'
#1: 'Opening'
#2: 'Buffering'
#3: 'Playing'
#4: 'Paused'
#5: 'Stopped'
#6: 'Ended'
#7: 'Error'
if debug: print("{}Player State:{} {}".format(bcolors.OKGREEN, bcolors.ENDC, state))
if state == 3: #Playing
if streamid != "":
rThread = threading.Thread(target=alexa_playback_progress_report_request, args=("STARTED", "PLAYING", streamid))
rThread.start()
elif state == 5: #Stopped
audioplaying = False
if streamid != "":
rThread = threading.Thread(target=alexa_playback_progress_report_request, args=("INTERRUPTED", "IDLE", streamid))
rThread.start()
streamurl = ""
streamid = ""
nav_token = ""
elif state == 6: #Ended
audioplaying = False
if streamid != "":
rThread = threading.Thread(target=alexa_playback_progress_report_request, args=("FINISHED", "IDLE", streamid))
rThread.start()
streamid = ""
if streamurl != "":
pThread = threading.Thread(target=play_audio, args=(streamurl,))
streamurl = ""
pThread.start()
elif nav_token != "":
gThread = threading.Thread(target=alexa_getnextitem, args=(nav_token,))
gThread.start()
elif state == 7:
audioplaying = False
if streamid != "":
rThread = threading.Thread(target=alexa_playback_progress_report_request, args=("ERROR", "IDLE", streamid))
rThread.start()
streamurl = ""
streamid = ""
nav_token = ""
def meta_callback(event, media):
title = media.get_meta(vlc.Meta.Title)
artist = media.get_meta(vlc.Meta.Artist)
album = media.get_meta(vlc.Meta.Album)
tracknumber = media.get_meta(vlc.Meta.TrackNumber)
url = media.get_meta(vlc.Meta.URL)
nowplaying = media.get_meta(vlc.Meta.NowPlaying)
print('{}Title:{} {}'.format(bcolors.OKBLUE, bcolors.ENDC, title))
print('{}Artist:{} {}'.format(bcolors.OKBLUE, bcolors.ENDC, artist))
print('{}Album:{} {}'.format(bcolors.OKBLUE, bcolors.ENDC, album))
print('{}Track:{} {}'.format(bcolors.OKBLUE, bcolors.ENDC, tracknumber))
print('{}Url:{} {}'.format(bcolors.OKBLUE, bcolors.ENDC, url))
print('{}Now Playing:{} {}'.format(bcolors.OKBLUE, bcolors.ENDC, nowplaying))
def pos_callback(event):
global position
position = event.u.new_time
if debug: print("{}Player Position:{} {}".format(bcolors.OKBLUE, bcolors.ENDC, format_time(position)))
def format_time(self, milliseconds):
"""formats milliseconds to h:mm:ss
"""
self.position = milliseconds / 1000
m, s = divmod(self.position, 60)
h, m = divmod(m, 60)
return "%d:%02d:%02d" % (h, m, s)
def start_old():
global audioplaying, p
inp = None
# last = GPIO.input(button)
last = gpio.input(button)
print("{}Ready to Record.{}".format(bcolors.OKBLUE, bcolors.ENDC))
while True:
# val = GPIO.input(button)
val = gpio.input(button)
if val != last:
last = val
if val == 1 and recorded == True:
print("{}Recording Finished.{}".format(bcolors.OKBLUE, bcolors.ENDC))
rf = open(path+'recording.wav', 'w')
rf.write(audio)
rf.close()
inp = None
alexa_speech_recognizer()
elif val == 0:
# GPIO.output(rec_light, GPIO.HIGH)
gpio.output(rec_light, gpio.HIGH)
print("{}Recording...{}".format(bcolors.OKBLUE, bcolors.ENDC))
inp = alsaaudio.PCM(alsaaudio.PCM_CAPTURE, alsaaudio.PCM_NORMAL, device)
inp.setchannels(1)
inp.setrate(16000)
inp.setformat(alsaaudio.PCM_FORMAT_S16_LE)
inp.setperiodsize(500)
audio = ""
if audioplaying:
p.stop()
l, data = inp.read()
if l:
audio += data
recorded = True
elif val == 0:
l, data = inp.read()
if l:
audio += data
def start():
global audioplaying, p
while True:
print("{}Ready to Record.{}".format(bcolors.OKBLUE, bcolors.ENDC))
# GPIO.wait_for_edge(button, GPIO.FALLING) # we wait for the button to be pressed
if audioplaying: p.stop()
print("{}Recording...{}".format(bcolors.OKBLUE, bcolors.ENDC))
# GPIO.output(rec_light, GPIO.HIGH)
# gpio.output(rec_light, gpio.HIGH)
inp = alsaaudio.PCM(alsaaudio.PCM_CAPTURE, alsaaudio.PCM_NORMAL, device)
inp.setchannels(1)
inp.setrate(16000)
inp.setformat(alsaaudio.PCM_FORMAT_S16_LE)
inp.setperiodsize(500)
audio = ""
# while(GPIO.input(button)==0): # we keep recording while the button is pressed
while(gpio.input(button)==0): # we keep recording while the button is pressed
gpio.output(rec_light, gpio.HIGH)
l, data = inp.read()
if l:
audio += data
print("{}Recording Finished.{}".format(bcolors.OKBLUE, bcolors.ENDC))
rf = open(path+'recording.wav', 'w')
rf.write(audio)
rf.close()
inp = None
alexa_speech_recognizer()
if __name__ == "__main__":
# GPIO.setwarnings(False)
# GPIO.cleanup()
# GPIO.setmode(GPIO.BCM)
gpio.init()
# GPIO.setup(button, GPIO.IN, pull_up_down=GPIO.PUD_UP)
gpio.setcfg(button, gpio.INPUT)
gpio.pullup(button, gpio.PULLUP)
# GPIO.setup(lights, GPIO.OUT)
gpio.setcfg(lights[0], gpio.OUTPUT)
gpio.setcfg(lights[1], gpio.OUTPUT)
# GPIO.output(lights, GPIO.LOW)
gpio.output(lights[0], gpio.LOW)
gpio.output(lights[1], gpio.LOW)
while internet_on() == False:
print(".")
token = gettoken()
play_audio("hello.mp3")
for x in range(0, 3):
time.sleep(.1)
# GPIO.output(plb_light, GPIO.HIGH)
gpio.output(plb_light, gpio.HIGH)
time.sleep(.1)
# GPIO.output(plb_light, GPIO.LOW)
gpio.output(plb_light, gpio.LOW)
start()