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Commit5c3c953

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gh-133745: Fix asyncio task factory name/context kwarg breaks
1 parent05ddd06 commit5c3c953

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+13
-3
lines changed

1 file changed

+13
-3
lines changed

‎Lib/asyncio/base_events.py

Lines changed: 13 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -458,16 +458,26 @@ def create_future(self):
458458
"""Create a Future object attached to the loop."""
459459
returnfutures.Future(loop=self)
460460

461-
defcreate_task(self,coro,**kwargs):
461+
defcreate_task(self,coro,*,name=None,context=None,**kwargs):
462462
"""Schedule a coroutine object.
463463
464464
Return a task object.
465465
"""
466466
self._check_closed()
467467
ifself._task_factoryisnotNone:
468-
returnself._task_factory(self,coro,**kwargs)
468+
ifcontextisnotNone:
469+
kwargs["context"]=context
469470

470-
task=tasks.Task(coro,loop=self,**kwargs)
471+
task=self._task_factory(self,coro,**kwargs)
472+
task.set_name(name)
473+
try:
474+
# gh-128552: prevent a refcycle of
475+
# task.exception().__traceback__->BaseEventLoop.create_task->task
476+
returntask
477+
finally:
478+
deltask
479+
480+
task=tasks.Task(coro,loop=self,name=name,context=context,**kwargs)
471481
iftask._source_traceback:
472482
deltask._source_traceback[-1]
473483
try:

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