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[3.12] gh-121084: Fix test_typing random leaks (GH-121360) #121372

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Merged
vstinner merged 1 commit into from
Jul 4, 2024
Merged

[3.12] gh-121084: Fix test_typing random leaks (GH-121360) #121372

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6 changes: 6 additions & 0 deletions Lib/test/libregrtest/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -264,6 +264,12 @@ def clear_caches():
for f in typing._cleanups:
f()

import inspect
abs_classes = filter(inspect.isabstract, typing.__dict__.values())
for abc in abs_classes:
for obj in abc.__subclasses__() + [abc]:
obj._abc_caches_clear()

try:
fractions = sys.modules['fractions']
except KeyError:
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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Tests/2024-07-04-15-10-29.gh-issue-121084.qxcd5d.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
Fix test_typing random leaks. Clear typing ABC caches when running tests for
refleaks (``-R`` option): call ``_abc_caches_clear()`` on typing abstract
classes and their subclasses. Patch by Victor Stinner.