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bpo-39529: Deprecate creating new event loop in asyncio.get_event_loop() (GH-23554)

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asyncio.get_event_loop() emits now a deprecation warning when it creates a new event loop.
In future releases it will became an alias of asyncio.get_running_loop().
This commit is contained in:
Serhiy Storchaka 2021-04-25 13:40:44 +03:00 • committed by GitHub
parent face87c94e
commit 172c0f2752
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16 changed files with 570 additions and 185 deletions
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4
Lib/asyncio/futures.py
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@ -76,7 +76,7 @@ class Future:
the default event loop.
"""
if loop is None:
self._loop = events.get_event_loop()
self._loop = events._get_event_loop()
else:
self._loop = loop
self._callbacks = []
@ -408,7 +408,7 @@ def wrap_future(future, *, loop=None):
assert isinstance(future, concurrent.futures.Future), \
f'concurrent.futures.Future is expected, got {future!r}'
if loop is None:
loop = events.get_event_loop()
loop = events._get_event_loop()
new_future = loop.create_future()
_chain_future(future, new_future)
return new_future