|
| 1 | +#! /usr/bin/env python3.5 |
| 2 | +""" |
| 3 | +
|
| 4 | +Fixing bluetooth stereo headphone/headset problem in ubuntu 16.04 and also debian jessie, with bluez5. |
| 5 | +
|
| 6 | +Workaround for bug: https://bugs.launchpad.net/ubuntu/+source/indicator-sound/+bug/1577197 |
| 7 | +Run it with python3.5 or higher after pairing/connecting the bluetooth stereo headphone. |
| 8 | +
|
| 9 | +This will be only fixes the bluez5 problem mentioned above . |
| 10 | +
|
| 11 | +Licence: Freeware |
| 12 | +
|
| 13 | +See ``python3.5 a2dp.py -h``. |
| 14 | +
|
| 15 | +Shorthands: |
| 16 | +
|
| 17 | + $ alias speakers="a2dp.py 10:08:C1:44:AE:BC" |
| 18 | + $ alias headphones="a2dp.py 00:22:37:3D:DA:50" |
| 19 | + $ alias headset="a2dp.py 00:22:37:F8:A0:77 -p hsp" |
| 20 | +
|
| 21 | + $ speakers |
| 22 | +
|
| 23 | +
|
| 24 | +
|
| 25 | +Check here for the latest updates: https://gist.github.com/pylover/d68be364adac5f946887b85e6ed6e7ae |
| 26 | +
|
| 27 | +Thanks to: |
| 28 | +
|
| 29 | + * https://github.com/DominicWatson, for adding the ``-p/--profile`` argument. |
| 30 | + * https://github.com/IzzySoft, for mentioning wait before connecting again. |
| 31 | + * https://github.com/AmploDev, for v0.4.0 |
| 32 | + * https://github.com/Mihara, for autodetect & autorun service |
| 33 | + * https://github.com/dabrovnijk, for systemd service |
| 34 | +
|
| 35 | +Change Log |
| 36 | +---------- |
| 37 | +
|
| 38 | +- 0.5.2 |
| 39 | + * Increasing the number of tries to 15. |
| 40 | +
|
| 41 | +- 0.5.2 |
| 42 | + * Optimizing waits. |
| 43 | +
|
| 44 | +- 0.5.1 |
| 45 | + * Increasing WAIT_TIME and TRIES |
| 46 | +
|
| 47 | +- 0.5.0 |
| 48 | + * Autodetect & autorun service |
| 49 | +
|
| 50 | +- 0.4.1 |
| 51 | + * Sorting device list |
| 52 | +
|
| 53 | +- 0.4.0 |
| 54 | + * Adding ignore_fail argument by @AmploDev. |
| 55 | + * Sending all available streams into selected sink, after successfull connection by @AmploDev. |
| 56 | +
|
| 57 | +- 0.3.3 |
| 58 | + * Updating default sink before turning to ``off`` profile. |
| 59 | +
|
| 60 | +- 0.3.2 |
| 61 | + * Waiting a bit: ``-w/--wait`` before connecting again. |
| 62 | +
|
| 63 | +- 0.3.0 |
| 64 | + * Adding -p / --profile option for using the same script to switch between headset and A2DP audio profiles |
| 65 | +
|
| 66 | +- 0.2.5 |
| 67 | + * Mentioning [mac] argument. |
| 68 | +
|
| 69 | +- 0.2.4 |
| 70 | + * Removing duplicated devices in select device list. |
| 71 | +
|
| 72 | +- 0.2.3 |
| 73 | + * Matching ANSI escape characters. Tested on 16.10 & 16.04 |
| 74 | +
|
| 75 | +- 0.2.2 |
| 76 | + * Some sort of code enhancements. |
| 77 | +
|
| 78 | +- 0.2.0 |
| 79 | + * Adding `-V/--version`, `-w/--wait` and `-t/--tries` CLI arguments. |
| 80 | +
|
| 81 | +- 0.1.1 |
| 82 | + * Supporting the `[NEW]` prefix for devices & controllers as advised by @wdullaer |
| 83 | + * Drying the code. |
| 84 | +
|
| 85 | +""" |
| 86 | + |
| 87 | +import sys |
| 88 | +import re |
| 89 | +import asyncio |
| 90 | +import subprocess as sb |
| 91 | +import argparse |
| 92 | + |
| 93 | + |
| 94 | +__version__ = '0.5.2' |
| 95 | + |
| 96 | + |
| 97 | +HEX_DIGIT_PATTERN = '[0-9A-F]' |
| 98 | +HEX_BYTE_PATTERN = '%s{2}' % HEX_DIGIT_PATTERN |
| 99 | +MAC_ADDRESS_PATTERN = ':'.join((HEX_BYTE_PATTERN, ) * 6) |
| 100 | +DEVICE_PATTERN = re.compile('^(?:.*\s)?Device\s(?P<mac>%s)\s(?P<name>.*)' % MAC_ADDRESS_PATTERN) |
| 101 | +CONTROLLER_PATTERN = re.compile('^(?:.*\s)?Controller\s(?P<mac>%s)\s(?P<name>.*)' % MAC_ADDRESS_PATTERN) |
| 102 | +WAIT_TIME = 2.25 |
| 103 | +TRIES = 15 |
| 104 | +PROFILE = 'a2dp' |
| 105 | + |
| 106 | + |
| 107 | +_profiles = { |
| 108 | + 'a2dp': 'a2dp_sink', |
| 109 | + 'hsp': 'headset_head_unit', |
| 110 | + 'off': 'off' |
| 111 | +} |
| 112 | + |
| 113 | +# CLI Arguments |
| 114 | +parser = argparse.ArgumentParser(prog=sys.argv[0]) |
| 115 | +parser.add_argument('-e', '--echo', action='store_true', default=False, |
| 116 | + help='If given, the subprocess stdout will be also printed on stdout.') |
| 117 | +parser.add_argument('-w', '--wait', default=WAIT_TIME, type=float, |
| 118 | + help='The seconds to wait for subprocess output, default is: %s' % WAIT_TIME) |
| 119 | +parser.add_argument('-t', '--tries', default=TRIES, type=int, |
| 120 | + help='The number of tries if subprocess is failed. default is: %s' % TRIES) |
| 121 | +parser.add_argument('-p', '--profile', default=PROFILE, |
| 122 | + help='The profile to switch to. available options are: hsp, a2dp. default is: %s' % PROFILE) |
| 123 | +parser.add_argument('-V', '--version', action='store_true', help='Show the version.') |
| 124 | +parser.add_argument('mac', nargs='?', default=None) |
| 125 | + |
| 126 | + |
| 127 | +# Exceptions |
| 128 | +class SubprocessError(Exception): |
| 129 | + pass |
| 130 | + |
| 131 | + |
| 132 | +class RetryExceededError(Exception): |
| 133 | + pass |
| 134 | + |
| 135 | + |
| 136 | +class BluetoothctlProtocol(asyncio.SubprocessProtocol): |
| 137 | + def __init__(self, exit_future, echo=True): |
| 138 | + self.exit_future = exit_future |
| 139 | + self.transport = None |
| 140 | + self.output = None |
| 141 | + self.echo = echo |
| 142 | + |
| 143 | + def listen_output(self): |
| 144 | + self.output = '' |
| 145 | + |
| 146 | + def not_listen_output(self): |
| 147 | + self.output = None |
| 148 | + |
| 149 | + def pipe_data_received(self, fd, raw): |
| 150 | + d = raw.decode() |
| 151 | + if self.echo: |
| 152 | + print(d, end='') |
| 153 | + |
| 154 | + if self.output is not None: |
| 155 | + self.output += d |
| 156 | + |
| 157 | + def process_exited(self): |
| 158 | + self.exit_future.set_result(True) |
| 159 | + |
| 160 | + def connection_made(self, transport): |
| 161 | + self.transport = transport |
| 162 | + print('Connection MADE') |
| 163 | + |
| 164 | + async def send_command(self, c): |
| 165 | + stdin_transport = self.transport.get_pipe_transport(0) |
| 166 | + # noinspection PyProtectedMember |
| 167 | + stdin_transport._pipe.write(('%s\n' % c).encode()) |
| 168 | + |
| 169 | + async def search_in_output(self, expression, fail_expression=None): |
| 170 | + if self.output is None: |
| 171 | + return None |
| 172 | + |
| 173 | + for l in self.output.splitlines(): |
| 174 | + if fail_expression and re.search(fail_expression, l, re.IGNORECASE): |
| 175 | + raise SubprocessError('Expression "%s" failed with fail pattern: "%s"' % (l, fail_expression)) |
| 176 | + |
| 177 | + if re.search(expression, l, re.IGNORECASE): |
| 178 | + return True |
| 179 | + |
| 180 | + async def send_and_wait(self, cmd, wait_expression, fail_expression='fail'): |
| 181 | + try: |
| 182 | + self.listen_output() |
| 183 | + await self.send_command(cmd) |
| 184 | + while not await self.search_in_output(wait_expression.lower(), fail_expression=fail_expression): |
| 185 | + await wait() |
| 186 | + finally: |
| 187 | + self.not_listen_output() |
| 188 | + |
| 189 | + async def disconnect(self, mac): |
| 190 | + print('Disconnecting the device.') |
| 191 | + await self.send_and_wait('disconnect %s' % ':'.join(mac), 'Successful disconnected') |
| 192 | + |
| 193 | + async def connect(self, mac): |
| 194 | + print('Connecting again.') |
| 195 | + await self.send_and_wait('connect %s' % ':'.join(mac), 'Connection successful') |
| 196 | + |
| 197 | + async def trust(self, mac): |
| 198 | + await self.send_and_wait('trust %s' % ':'.join(mac), 'trust succeeded') |
| 199 | + |
| 200 | + async def quit(self): |
| 201 | + await self.send_command('quit') |
| 202 | + |
| 203 | + async def get_list(self, command, pattern): |
| 204 | + result = set() |
| 205 | + try: |
| 206 | + self.listen_output() |
| 207 | + await self.send_command(command) |
| 208 | + await wait() |
| 209 | + for l in self.output.splitlines(): |
| 210 | + m = pattern.match(l) |
| 211 | + if m: |
| 212 | + result.add(m.groups()) |
| 213 | + return sorted(list(result), key=lambda i: i[1]) |
| 214 | + finally: |
| 215 | + self.not_listen_output() |
| 216 | + |
| 217 | + async def list_devices(self): |
| 218 | + return await self.get_list('devices', DEVICE_PATTERN) |
| 219 | + |
| 220 | + async def list_paired_devices(self): |
| 221 | + return await self.get_list('paired-devices', DEVICE_PATTERN) |
| 222 | + |
| 223 | + async def list_controllers(self): |
| 224 | + return await self.get_list('list', CONTROLLER_PATTERN) |
| 225 | + |
| 226 | + async def select_paired_device(self): |
| 227 | + print('Selecting device:') |
| 228 | + devices = await self.list_paired_devices() |
| 229 | + count = len(devices) |
| 230 | + |
| 231 | + if count < 1: |
| 232 | + raise SubprocessError('There is no connected device.') |
| 233 | + elif count == 1: |
| 234 | + return devices[0] |
| 235 | + |
| 236 | + for i, d in enumerate(devices): |
| 237 | + print('%d. %s %s' % (i+1, d[0], d[1])) |
| 238 | + print('Select device[1]:') |
| 239 | + selected = input() |
| 240 | + return devices[0 if not selected.strip() else (int(selected) - 1)] |
| 241 | + |
| 242 | + |
| 243 | +async def wait(delay=None): |
| 244 | + return await asyncio.sleep(WAIT_TIME or delay) |
| 245 | + |
| 246 | + |
| 247 | +async def execute_command(cmd, ignore_fail=False): |
| 248 | + p = await asyncio.create_subprocess_shell(cmd, stdout=sb.PIPE, stderr=sb.PIPE) |
| 249 | + stdout, stderr = await p.communicate() |
| 250 | + stdout, stderr = \ |
| 251 | + stdout.decode() if stdout is not None else '', \ |
| 252 | + stderr.decode() if stderr is not None else '' |
| 253 | + if p.returncode != 0 or stderr.strip() != '': |
| 254 | + message = 'Command: %s failed with status: %s\nstderr: %s' % (cmd, p.returncode, stderr) |
| 255 | + if ignore_fail: |
| 256 | + print('Ignoring: %s' % message) |
| 257 | + else: |
| 258 | + raise SubprocessError(message) |
| 259 | + return stdout |
| 260 | + |
| 261 | + |
| 262 | +async def execute_find(cmd, pattern, tries=0, fail_safe=False): |
| 263 | + tries = tries or TRIES |
| 264 | + |
| 265 | + message = 'Cannot find `%s` using `%s`.' % (pattern, cmd) |
| 266 | + retry_message = message + ' Retrying %d more times' |
| 267 | + while True: |
| 268 | + stdout = await execute_command(cmd) |
| 269 | + match = re.search(pattern, stdout) |
| 270 | + |
| 271 | + if match: |
| 272 | + return match.group() |
| 273 | + elif tries > 0: |
| 274 | + await wait() |
| 275 | + print(retry_message % tries) |
| 276 | + tries -= 1 |
| 277 | + continue |
| 278 | + |
| 279 | + if fail_safe: |
| 280 | + return None |
| 281 | + |
| 282 | + raise RetryExceededError('Retry times exceeded: %s' % message) |
| 283 | + |
| 284 | + |
| 285 | +async def find_dev_id(mac, **kw): |
| 286 | + return await execute_find('pactl list cards short', 'bluez_card.%s' % '_'.join(mac), **kw) |
| 287 | + |
| 288 | + |
| 289 | +async def find_sink(mac, **kw): |
| 290 | + return await execute_find('pacmd list-sinks', 'bluez_sink.%s' % '_'.join(mac), **kw) |
| 291 | + |
| 292 | + |
| 293 | +async def set_profile(device_id, profile): |
| 294 | + print('Setting the %s profile' % profile) |
| 295 | + try: |
| 296 | + return await execute_command('pactl set-card-profile %s %s' % (device_id, _profiles[profile])) |
| 297 | + except KeyError: |
| 298 | + print('Invalid profile: %s, please select one one of a2dp or hsp.' % profile, file=sys.stderr) |
| 299 | + raise SystemExit(1) |
| 300 | + |
| 301 | + |
| 302 | +async def set_default_sink(sink): |
| 303 | + print('Updating default sink to %s' % sink) |
| 304 | + return await execute_command('pacmd set-default-sink %s' % sink) |
| 305 | + |
| 306 | + |
| 307 | +async def move_streams_to_sink(sink): |
| 308 | + streams = await execute_command('pacmd list-sink-inputs | grep "index:"', True) |
| 309 | + for i in streams.split(): |
| 310 | + i = ''.join(n for n in i if n.isdigit()) |
| 311 | + if i != '': |
| 312 | + print('Moving stream %s to sink' % i) |
| 313 | + await execute_command('pacmd move-sink-input %s %s' % (i, sink)) |
| 314 | + return sink |
| 315 | + |
| 316 | + |
| 317 | +async def main(args): |
| 318 | + global WAIT_TIME, TRIES |
| 319 | + |
| 320 | + if args.version: |
| 321 | + print(__version__) |
| 322 | + return 0 |
| 323 | + |
| 324 | + mac = args.mac |
| 325 | + |
| 326 | + # Hacking, Changing the constants! |
| 327 | + WAIT_TIME = args.wait |
| 328 | + TRIES = args.tries |
| 329 | + |
| 330 | + exit_future = asyncio.Future() |
| 331 | + transport, protocol = await asyncio.get_event_loop().subprocess_exec( |
| 332 | + lambda: BluetoothctlProtocol(exit_future, echo=args.echo), 'bluetoothctl' |
| 333 | + ) |
| 334 | + |
| 335 | + try: |
| 336 | + |
| 337 | + if mac is None: |
| 338 | + mac, _ = await protocol.select_paired_device() |
| 339 | + |
| 340 | + mac = mac.split(':' if ':' in mac else '_') |
| 341 | + print('Device MAC: %s' % ':'.join(mac)) |
| 342 | + |
| 343 | + device_id = await find_dev_id(mac, fail_safe=True) |
| 344 | + if device_id is None: |
| 345 | + print('It seems device: %s is not connected yet, trying to connect.' % ':'.join(mac)) |
| 346 | + await protocol.trust(mac) |
| 347 | + await protocol.connect(mac) |
| 348 | + device_id = await find_dev_id(mac) |
| 349 | + |
| 350 | + sink = await find_sink(mac, fail_safe=True) |
| 351 | + if sink is None: |
| 352 | + await set_profile(device_id, args.profile) |
| 353 | + sink = await find_sink(mac) |
| 354 | + |
| 355 | + print('Device ID: %s' % device_id) |
| 356 | + print('Sink: %s' % sink) |
| 357 | + |
| 358 | + await set_default_sink(sink) |
| 359 | + await wait() |
| 360 | + |
| 361 | + await set_profile(device_id, 'off') |
| 362 | + |
| 363 | + if args.profile is 'a2dp': |
| 364 | + await protocol.disconnect(mac) |
| 365 | + await wait() |
| 366 | + await protocol.connect(mac) |
| 367 | + |
| 368 | + device_id = await find_dev_id(mac) |
| 369 | + print('Device ID: %s' % device_id) |
| 370 | + |
| 371 | + await wait(2) |
| 372 | + await set_profile(device_id, args.profile) |
| 373 | + await set_default_sink(sink) |
| 374 | + await move_streams_to_sink(sink) |
| 375 | + |
| 376 | + except (SubprocessError, RetryExceededError) as ex: |
| 377 | + print(str(ex), file=sys.stderr) |
| 378 | + return 1 |
| 379 | + finally: |
| 380 | + print('Exiting bluetoothctl') |
| 381 | + await protocol.quit() |
| 382 | + await exit_future |
| 383 | + |
| 384 | + # Close the stdout pipe |
| 385 | + transport.close() |
| 386 | + |
| 387 | + if args.profile == 'a2dp': |
| 388 | + print('"Enjoy" the HiFi stereo music :)') |
| 389 | + else: |
| 390 | + print('"Enjoy" your headset audio :)') |
| 391 | + |
| 392 | + |
| 393 | +if __name__ == '__main__': |
| 394 | + sys.exit(asyncio.get_event_loop().run_until_complete(main(parser.parse_args()))) |
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