async def _wait_for_media_to_end(self):
attempts = WAIT_RETRIES
video_started = False
while True:
data, status = await self.http.get_data('playback-info')
if status == 403:
raise exceptions.NoCredentialsError(
'device authentication required')
_LOGGER.debug('Playback-info (%d): %s', status, data)
parsed = plistlib.loads(data)
# duration is only available if something is playing
if 'duration' in parsed:
video_started = True
attempts = -1
else:
video_started = False
if attempts >= 0:
attempts -= 1
if not video_started and attempts < 0:
_LOGGER.debug('media playback ended')
break
await asyncio.sleep(1, loop=self.loop)
async def _connect(self):
if self._protocol:
return
service = self.config.get_service(Protocol.Companion)
if service is None:
raise exceptions.NoCredentialsError(
"No Companion credentials loaded")
_LOGGER.debug("Connect to Companion from API")
connection = CompanionConnection(self.loop, str(self.config.address),
service.port, self)
protocol = CompanionProtocol(connection, SRPAuthHandler(), service)
await protocol.start()
self._connection = connection
self._protocol = protocol
await self._session_start()
def _wait_for_media_to_end(self):
address = self._url(self.port, 'playback-info')
attempts = 5
video_started = False
while True:
info = None
try:
info = yield from self.session.get(address)
data = yield from info.content.read()
if info.status == 403:
raise exceptions.NoCredentialsError(
'device authentication required')
_LOGGER.debug('Playback-info (%d): %s', info.status, data)
parsed = plistlib.loads(data)
# duration is only available if something is playing
if 'duration' in parsed:
video_started = True
attempts = -1
else:
video_started = False
if attempts >= 0:
attempts -= 1
if not video_started and attempts < 0:
_LOGGER.debug('media playback ended')
break
finally:
if info is not None:
info.close()
yield from asyncio.sleep(1, loop=self.loop)
def encryption_keys(self) -> Tuple[str, str]:
"""Return derived encryption keys."""
if self._output_key is None or self._input_key is None:
raise exceptions.NoCredentialsError(
"verification has not succeeded")
return self._output_key, self._input_key