mirror of https://github.com/python/cpython
bpo-34970: Protect tasks weak set manipulation in asyncio.all_tasks() (GH-9837)
https://bugs.python.org/issue34970
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@ -42,7 +42,9 @@ def all_tasks(loop=None):
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"""Return a set of all tasks for the loop."""
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if loop is None:
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loop = events.get_running_loop()
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return {t for t in _all_tasks
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# NB: set(_all_tasks) is required to protect
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# from https://bugs.python.org/issue34970 bug
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return {t for t in list(_all_tasks)
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if futures._get_loop(t) is loop and not t.done()}
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@ -52,7 +54,9 @@ def _all_tasks_compat(loop=None):
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# method.
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if loop is None:
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loop = events.get_event_loop()
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return {t for t in _all_tasks if futures._get_loop(t) is loop}
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# NB: set(_all_tasks) is required to protect
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# from https://bugs.python.org/issue34970 bug
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return {t for t in list(_all_tasks) if futures._get_loop(t) is loop}
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def _set_task_name(task, name):
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@ -0,0 +1 @@
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Protect tasks weak set manipulation in ``asyncio.all_tasks()``
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