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bpo-34037, asyncio: add BaseEventLoop.wait_executor_on_close (GH-13786)

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Add BaseEventLoop.wait_executor_on_close attribute: true by default.

loop.close() now waits for the default executor to finish by default.
Set loop.wait_executor_on_close attribute to False to not wait for
the executor.
This commit is contained in:
Victor Stinner 2019-06-03 23:31:04 +02:00 • committed by GitHub
parent 78c7d52779
commit 0f0a30f4da
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3 changed files with 15 additions and 3 deletions
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4
Lib/asyncio/base_events.py
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@ -380,6 +380,8 @@ class Server(events.AbstractServer):
class BaseEventLoop(events.AbstractEventLoop):
def __init__(self):
# If true, close() waits for the default executor to finish
self.wait_executor_on_close = True
self._timer_cancelled_count = 0
self._closed = False
self._stopping = False
@ -635,7 +637,7 @@ class BaseEventLoop(events.AbstractEventLoop):
executor = self._default_executor
if executor is not None:
self._default_executor = None
executor.shutdown(wait=False)
executor.shutdown(wait=self.wait_executor_on_close)
def is_closed(self):
"""Returns True if the event loop was closed."""