def ensure_loop(loop: AbstractEventLoop = None) -> AbstractEventLoop:
"""
Use loop provided or create new if not provided or closed.
Return loop passed if its provided,not closed and not running, otherwise returns new event loop.
:param loop: optional event loop
:return: asyncio event loop
"""
try:
loop = loop or asyncio.new_event_loop()
assert not loop.is_closed()
assert not loop.is_running()
except (RuntimeError, AssertionError):
loop = asyncio.new_event_loop()
return loop
def sigterm_handler(logger: Logger, event_loop: AbstractEventLoop) -> None:
if event_loop.is_running():
logger.info('Received SIGTERM')
event_loop.stop()
def sigterm_handler(logger: Logger, event_loop: AbstractEventLoop) -> None:
if event_loop.is_running():
logger.info('Received SIGTERM')
event_loop.stop()