def _cancel_all_tasks(self):
to_cancel = tasks.all_tasks(self._loop)
if not to_cancel:
self._log.info("All tasks finished.")
return
for task in to_cancel:
self._log.warning(f"Cancelling pending task {task}")
task.cancel()
if self._loop.is_running():
self._log.warning(
"Event loop still running during `cancel_all_tasks`.")
return
finish_all_tasks = tasks.gather(*to_cancel,
loop=self._loop,
return_exceptions=True)
self._loop.run_until_complete(finish_all_tasks)
self._log.debug(f"{finish_all_tasks}")
for task in to_cancel:
if task.cancelled():
continue
if task.exception() is not None:
self._loop.call_exception_handler({
'message':
'unhandled exception during asyncio.run() shutdown',
'exception': task.exception(),
'task': task,
})
def _cancel_all_tasks(loop: AbstractEventLoop) -> None:
"""Cancels all tasks the supplied event loop is running
:param loop: The event loop to use
"""
to_cancel = tasks.all_tasks(loop)
if not to_cancel:
return
for task in to_cancel:
task.cancel()
loop.run_until_complete(
tasks.gather(*to_cancel, loop=loop, return_exceptions=True))
for task in to_cancel:
if task.cancelled():
continue
if task.exception() is not None:
loop.call_exception_handler({
"message":
"unhandled exception during run_automation() shutdown",
"exception": task.exception(),
"task": task,
})
def _cancel_all_tasks(loop):
to_cancel = tasks.all_tasks(loop)
if not to_cancel:
return
for task in to_cancel:
task.cancel()
loop.run_until_complete(
tasks.gather(*to_cancel, loop=loop, return_exceptions=True))
for task in to_cancel:
if task.cancelled():
continue
if task.exception() is not None:
loop.call_exception_handler({
'message': 'unhandled exception during asyncio.run() shutdown',
'exception': task.exception(),
'task': task,
})
def _cancel_all_tasks(self, loop):
# https://github.com/python/cpython/blob/7f7dc673540c47db544878bb32d20d9bd1445b94/Lib/asyncio/runners.py#L55
from asyncio import tasks
to_cancel = tasks.all_tasks(loop)
if not to_cancel:
return
for task in to_cancel:
task.cancel()
loop.run_until_complete(
tasks.gather(*to_cancel, loop=loop, return_exceptions=True))
for task in to_cancel:
if task.cancelled():
continue
if task.exception() is not None:
loop.call_exception_handler({
"message":
"unhandled exception during asyncio.run() shutdown",
"exception": task.exception(),
"task": task,
})
def _all_tasks(loop):
if sys.version_info >= (3, 7):
return tasks.all_tasks(loop)
else:
return tasks.Task.all_tasks(loop)