diff options
Diffstat (limited to 'Lib/asyncio/tasks.py')
| -rw-r--r-- | Lib/asyncio/tasks.py | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/Lib/asyncio/tasks.py b/Lib/asyncio/tasks.py index 7959a55afe..63412a97e6 100644 --- a/Lib/asyncio/tasks.py +++ b/Lib/asyncio/tasks.py @@ -347,10 +347,9 @@ def wait_for(fut, timeout, *, loop=None): it cancels the task and raises TimeoutError. To avoid the task cancellation, wrap it in shield(). - Usage: - - result = yield from asyncio.wait_for(fut, 10.0) + If the wait is cancelled, the task is also cancelled. + This function is a coroutine. """ if loop is None: loop = events.get_event_loop() @@ -367,7 +366,12 @@ def wait_for(fut, timeout, *, loop=None): try: # wait until the future completes or the timeout - yield from waiter + try: + yield from waiter + except futures.CancelledError: + fut.remove_done_callback(cb) + fut.cancel() + raise if fut.done(): return fut.result() |