Classe « Task » Python 3.11.3

Méthode asyncio.Task.cancel

Signature de la méthode cancel

def cancel(self, /, msg=None) 

Description

help(Task.cancel)

Request that this task cancel itself.

This arranges for a CancelledError to be thrown into the
wrapped coroutine on the next cycle through the event loop.
The coroutine then has a chance to clean up or even deny
the request using try/except/finally.

Unlike Future.cancel, this does not guarantee that the
task will be cancelled: the exception might be caught and
acted upon, delaying cancellation of the task or preventing
cancellation completely.  The task may also return a value or
raise a different exception.

Immediately after this method is called, Task.cancelled() will
not return True (unless the task was already cancelled).  A
task will be marked as cancelled when the wrapped coroutine
terminates with a CancelledError exception (even if cancel()
was not called).

This also increases the task's count of cancellation requests.