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[3.14] GH-144739: Skip test_pyexpat.MemoryProtectionTest based on expat compile-time version, not runtime (#144740) (#145494)

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GH-144739: Skip test_pyexpat.MemoryProtectionTest based on expat compile-time version, not runtime (#144740)

(cherry picked from commit 45e9343d7e)

Co-authored-by: Miro Hrončok <miro@hroncok.cz>
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Victor Stinner 2026-03-04 20:23:56 +01:00 • committed by GitHub
parent da3fea361e
commit bcc2dd8d30
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2 changed files with 6 additions and 1 deletions
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4
Lib/test/test_pyexpat.py
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@ -999,7 +999,9 @@ def test_set_maximum_amplification__fail_for_subparser(self):
self.assert_root_parser_failure(setter, 123.45)
@unittest.skipIf(expat.version_info < (2, 7, 2), "requires Expat >= 2.7.2")
@unittest.skipIf(not hasattr(expat.XMLParserType,
"SetAllocTrackerMaximumAmplification"),
"requires Python compiled with Expat >= 2.7.2")
class MemoryProtectionTest(AttackProtectionTestBase, unittest.TestCase):
# NOTE: with the default Expat configuration, the billion laughs protection

3
Misc/NEWS.d/next/Tests/2026-02-12-12-12-00.gh-issue-144739.-fx1tN.rst Normal file
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@ -0,0 +1,3 @@
When Python was compiled with system expat older then 2.7.2 but tests run
with newer expat, still skip
:class:`!test.test_pyexpat.MemoryProtectionTest`.