async def _execute(self, desc: str):
"""
Generic wrapper for all controller commands.
State-related preconditions are checked, and errors are handled.
Args:
desc (str):
Human-readable function description, to be used in error messages.
"""
if await service_status.wait_updating(self.app, wait=False):
raise exceptions.UpdateInProgress('Update is in progress')
await asyncio.wait_for(service_status.wait_synchronized(self.app),
SYNC_WAIT_TIMEOUT_S)
try:
yield
except exceptions.CommandTimeout as ex:
# Wrap in a task to not delay the original response
asyncio.create_task(self._check_connection())
raise ex
except Exception as ex:
LOGGER.debug(f'Failed to execute {desc}: {strex(ex)}')
raise ex
async def wait_for_sync(self):
await asyncio.wait_for(
service_status.wait_synchronized(self.app),
SYNC_WAIT_TIMEOUT_S)
async def wait_sync(app, client):
await asyncio.wait_for(service_status.wait_synchronized(app), 5)