From: Victor Stinner <vstinner@python.org>
Date: Wed, 4 Mar 2026 19:23:56 +0000 (+0100)
Subject: [3.14] GH-144739: Skip test_pyexpat.MemoryProtectionTest based on expat compile-time... 
X-Git-Tag: v3.14.4~209
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bcc2dd8d30eb20995186c756bdcd10a56a1bad1c;p=thirdparty%2FPython%2Fcpython.git

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

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

(cherry picked from commit 45e9343d7eed1d9e784e731cc9af853fa8649e59)

Co-authored-by: Miro Hrončok <miro@hroncok.cz>
---

diff --git a/Lib/test/test_pyexpat.py b/Lib/test/test_pyexpat.py
index daeaa38a3c50..3e9015910e0a 100644
--- a/Lib/test/test_pyexpat.py
+++ b/Lib/test/test_pyexpat.py
@@ -999,7 +999,9 @@ class AttackProtectionTestBase(abc.ABC):
         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
diff --git a/Misc/NEWS.d/next/Tests/2026-02-12-12-12-00.gh-issue-144739.-fx1tN.rst b/Misc/NEWS.d/next/Tests/2026-02-12-12-12-00.gh-issue-144739.-fx1tN.rst
new file mode 100644
index 000000000000..8c46ff133f94
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2026-02-12-12-12-00.gh-issue-144739.-fx1tN.rst
@@ -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`.