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gh-135552: Add tests that check if weakref for tp_subclasses cleared after finalization by sergey-miryanov · Pull Request #136304 · python/cpython · GitHub
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gh-135552: Add tests that check if weakref for tp_subclasses cleared after finalization #136304

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Merged
nascheme merged 13 commits into from
Aug 8, 2025
Merged

gh-135552: Add tests that check if weakref for tp_subclasses cleared after finalization #136304

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4d648b4
Add tests
fxeqxmulfx Jun 22, 2025
77e9ca7
Organize tests
sergey-miryanov Jun 22, 2025
b6825da
Simplify tests
sergey-miryanov Jun 24, 2025
f62d43e
Remove extra line
sergey-miryanov Jul 4, 2025
398c4f5
Add extra comments
sergey-miryanov Jul 4, 2025
7dd9669
Add tests for checking that weakrefs clears before and after finaliza…
sergey-miryanov Jul 4, 2025
1da73b3
Make tests a little bit reliable
sergey-miryanov Jul 5, 2025
0510539
Simplify tests
sergey-miryanov Jul 5, 2025
50410d6
Use unittest asserts
sergey-miryanov Jul 6, 2025
aa18e74
Move test_clearing_weakrefs_in_gc to test_weakref
sergey-miryanov Jul 8, 2025
7788e55
Apply suggestions from code review
sergey-miryanov Jul 8, 2025
d125d06
Merge branch 'main' into gh-135552-add-tests-gc-weakref-tp_subclasses
nascheme Aug 7, 2025
0339d54
Revise test_clearing_weakrefs_in_gc test
nascheme Aug 7, 2025
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Add tests
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@fxeqxmulfx @sergey-miryanov
fxeqxmulfx authored and sergey-miryanov committed Jul 4, 2025
commit 4d648b48aaabb1bf0cf76414d1ac629cadaf7534
17 changes: 17 additions & 0 deletions Lib/test/test_gc.py
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Expand Up @@ -1517,6 +1517,23 @@ def test_ast_fini(self):
""")
assert_python_ok("-c", code)

def test_reset_type_cache_after_finalization(self):
# https://github.com/python/cpython/issues/135552
code = textwrap.dedent("""
class BaseNode:
def __del__(self):
BaseNode.next = BaseNode.next.next


class Node(BaseNode):
pass


BaseNode.next = Node()
BaseNode.next.next = Node()
""")
assert_python_ok("-c", code)


def setUpModule():
global enabled, debug
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