def start(self, initial_delay: int = 0) -> None:
"""Begin to listen to updates.
If an error occurs, start must be called again.
"""
if self.listener is None:
raise exceptions.NoAsyncListenerError()
self._activated = True
asyncio.ensure_future(self.state_updated())
def start(self, initial_delay=0):
"""Wait for push updates from device.
Will throw NoAsyncListenerError if no listener has been set.
"""
if self.listener is None:
raise exceptions.NoAsyncListenerError()
if self.active:
return
self.psm.listener = self
def start(self, initial_delay=0):
"""Wait for push updates from device.
Will throw NoAsyncListenerError if no listener has been set.
"""
if self.listener is None:
raise exceptions.NoAsyncListenerError()
if self.active:
return
# Always start with 0 to trigger an immediate response for the
# first request
self._atv.playstatus_revision = 0
# Delay before restarting after an error
self._initial_delay = initial_delay
self._future = asyncio.ensure_future(self._poller(), loop=self._loop)
