[issue32363] Deprecate task.set_result() and task.set_exception()
Chris Jerdonek
report at bugs.python.org
Tue Feb 19 14:17:56 EST 2019
Chris Jerdonek <chris.jerdonek at gmail.com> added the comment:
A second reason why Task.cancel() seems to be an incomplete replacement:
Task.set_exception() and Task.set_result() both give you a way to unconditionally end a task. With cancel() though, the docs say, "Task.cancel() does not guarantee that the Task will be cancelled." [1]
The reason you might want to unconditionally end a task is if e.g. you already called Task.cancel() and it is still running after waiting a certain amount of time.
[1]: https://docs.python.org/3/library/asyncio-task.html#asyncio.Task.cancel
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