File CVE-2023-52425-libexpat-2.6.0-backport.patch of Package python39

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File CVE-2023-52425-libexpat-2.6.0-backport.patch of Package python39

---
 Lib/test/test_pyexpat.py   |    4 ++++
 Lib/test/test_sax.py       |    3 +++
 Lib/test/test_xml_etree.py |    7 +++++++
 3 files changed, 14 insertions(+)

--- a/Lib/test/test_pyexpat.py
+++ b/Lib/test/test_pyexpat.py
@@ -766,6 +766,10 @@ class ReparseDeferralTest(unittest.TestC
         self.assertEqual(started, ['doc'])
 
     def test_reparse_deferral_disabled(self):
+        if expat.version_info < (2, 6, 0):
+            self.skipTest(f'Expat {expat.version_info} does not '
+                          'support reparse deferral')
+
         started = []
 
         def start_element(name, _):
--- a/Lib/test/test_sax.py
+++ b/Lib/test/test_sax.py
@@ -1236,6 +1236,9 @@ class ExpatReaderTest(XmlTestBase):
 
         self.assertEqual(result.getvalue(), start + b"<doc></doc>")
 
+    @unittest.skipIf(pyexpat.version_info < (2, 6, 0),
+                     f'Expat {pyexpat.version_info} does not '
+                     'support reparse deferral')
     def test_flush_reparse_deferral_disabled(self):
         result = BytesIO()
         xmlgen = XMLGenerator(result)
--- a/Lib/test/test_xml_etree.py
+++ b/Lib/test/test_xml_etree.py
@@ -1416,9 +1416,13 @@ class XMLPullParserTest(unittest.TestCas
         self.assert_event_tags(parser, [('end', 'root')])
         self.assertIsNone(parser.close())
 
+    @unittest.skipIf(pyexpat.version_info < (2, 6, 0),
+                     f'Fail with patched version of Expat {pyexpat.version_info}')
     def test_simple_xml_chunk_1(self):
         self.test_simple_xml(chunk_size=1, flush=True)
 
+    @unittest.skipIf(pyexpat.version_info < (2, 6, 0),
+                     f'Fail with patched version of Expat {pyexpat.version_info}')
     def test_simple_xml_chunk_5(self):
         self.test_simple_xml(chunk_size=5, flush=True)
 
@@ -1643,6 +1647,9 @@ class XMLPullParserTest(unittest.TestCas
 
         self.assert_event_tags(parser, [('end', 'doc')])
 
+    @unittest.skipIf(pyexpat.version_info < (2, 6, 0),
+                     f'Expat {pyexpat.version_info} does not '
+                     'support reparse deferral')
     def test_flush_reparse_deferral_disabled(self):
         parser = ET.XMLPullParser(events=('start', 'end'))

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File CVE-2023-52425-libexpat-2.6.0-backport.patch of Package python39

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