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bpo-46025: Fix a crash in the atexit module for auto-unregistering functions (GH-30002) (GH-30005)

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(cherry picked from commit f0d290d25c)

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
This commit is contained in:
Miss Islington (bot) 2021-12-09 07:16:09 -08:00 • committed by GitHub
parent 2c2ee83c4d
commit 934a24c641
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3 changed files with 21 additions and 1 deletions
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15
Lib/test/_test_atexit.py
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@ -116,6 +116,21 @@ class GeneralTest(unittest.TestCase):
atexit._run_exitfuncs()
self.assertEqual(l, [5])
def test_atexit_with_unregistered_function(self):
# See bpo-46025 for more info
def func():
atexit.unregister(func)
1/0
atexit.register(func)
try:
with support.catch_unraisable_exception() as cm:
atexit._run_exitfuncs()
self.assertEqual(cm.unraisable.object, func)
self.assertEqual(cm.unraisable.exc_type, ZeroDivisionError)
self.assertEqual(type(cm.unraisable.exc_value), ZeroDivisionError)
finally:
atexit.unregister(func)
if __name__ == "__main__":
unittest.main()