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gh-141536: Fix a crash when running test_capi *after* test_code in the same process #141537

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Merged
Yhg1s merged 3 commits into from
Jan 7, 2026
+6 −1
Merged

gh-141536: Fix a crash when running test_capi *after* test_code in the same process #141537

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8b19275
Fix a crash when running test_capi *after* test_code in the same proc…
Yhg1s Nov 13, 2025
60e0a08
Use test.support.late_deletion instead of a sys attribute to keep the
Yhg1s Nov 18, 2025
066f3ec
Merge branch 'main' into test_code_crash
Yhg1s Nov 18, 2025
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7 changes: 7 additions & 0 deletions Lib/test/test_code.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1555,6 +1555,13 @@ def myfree(ptr):

FREE_FUNC = freefunc(myfree)
FREE_INDEX = RequestCodeExtraIndex(FREE_FUNC)
# Make sure myfree sticks around at least as long as the interpreter,
# since we (currently) can't unregister the function and leaving a
# dangling pointer will cause a crash on deallocation of code objects if
# something else uses co_extras, like test_capi.test_misc. (Maybe this
# should use PyInterpreterState_GetDict, but that isn't easily exposed
# to Python code.)
setattr(sys, f'_test_code.{myfree!r}', myfree)
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class CoExtra(unittest.TestCase):
def get_func(self):
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