File CVE-2023-52425-libexpat-2.6.0-backport.patch of Package python311
---
Lib/test/support/__init__.py | 16 ++++++++++++++--
Lib/test/test_minidom.py | 23 +++++++++--------------
Lib/test/test_pyexpat.py | 12 +++++-------
Lib/test/test_sax.py | 18 +++++++++---------
Lib/test/test_xml_etree.py | 12 ------------
5 files changed, 37 insertions(+), 44 deletions(-)
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -8,6 +8,7 @@ import dataclasses
import functools
import os
import re
+import pyexpat
import stat
import sys
import sysconfig
@@ -56,7 +57,7 @@ __all__ = [
"run_with_tz", "PGO", "missing_compiler_executable",
"ALWAYS_EQ", "NEVER_EQ", "LARGEST", "SMALLEST",
"LOOPBACK_TIMEOUT", "INTERNET_TIMEOUT", "SHORT_TIMEOUT", "LONG_TIMEOUT",
- "skip_on_s390x",
+ "skip_on_s390x", "fails_with_expat_2_6_0", "is_expat_2_6_0"
]
@@ -2240,6 +2241,17 @@ def copy_python_src_ignore(path, names):
}
return ignored
-#Windows doesn't have os.uname() but it doesn't support s390x.
+
+# Windows doesn't have os.uname() but it doesn't support s390x.
skip_on_s390x = unittest.skipIf(hasattr(os, 'uname') and os.uname().machine == 's390x',
'skipped on s390x')
+
+
+@functools.lru_cache
+def _is_expat_2_6_0():
+ return hasattr(pyexpat.ParserCreate(), 'SetReparseDeferralEnabled')
+is_expat_2_6_0 = _is_expat_2_6_0()
+
+fails_with_expat_2_6_0 = (unittest.expectedFailure
+ if is_expat_2_6_0
+ else lambda test: test)
--- a/Lib/test/test_minidom.py
+++ b/Lib/test/test_minidom.py
@@ -6,7 +6,6 @@ import io
from test import support
import unittest
-import pyexpat
import xml.dom.minidom
from xml.dom.minidom import parse, Attr, Node, Document, parseString
@@ -1163,13 +1162,11 @@ class MinidomTest(unittest.TestCase):
# Verify that character decoding errors raise exceptions instead
# of crashing
- if pyexpat.version_info >= (2, 4, 5):
- self.assertRaises(ExpatError, parseString,
- b'<fran\xe7ais></fran\xe7ais>')
- self.assertRaises(ExpatError, parseString,
- b'<franais>Comment \xe7a va ? Tr\xe8s bien ?</franais>')
- else:
- self.assertRaises(UnicodeDecodeError, parseString,
+ # It doesn’t make any sense to insist on the exact text of the
+ # error message, or even the exact Exception … it is enough that
+ # the error has been discovered.
+ with self.assertRaises((UnicodeDecodeError, ExpatError)):
+ parseString(
b'<fran\xe7ais>Comment \xe7a va ? Tr\xe8s bien ?</fran\xe7ais>')
doc.unlink()
@@ -1631,12 +1628,10 @@ class MinidomTest(unittest.TestCase):
self.confirm(doc2.namespaceURI == xml.dom.EMPTY_NAMESPACE)
def testExceptionOnSpacesInXMLNSValue(self):
- if pyexpat.version_info >= (2, 4, 5):
- context = self.assertRaisesRegex(ExpatError, 'syntax error')
- else:
- context = self.assertRaisesRegex(ValueError, 'Unsupported syntax')
-
- with context:
+ # It doesn’t make any sense to insist on the exact text of the
+ # error message, or even the exact Exception … it is enough that
+ # the error has been discovered.
+ with self.assertRaises((ExpatError, ValueError)):
parseString('<element xmlns:abc="http:abc.com/de f g/hi/j k"><abc:foo /></element>')
def testDocRemoveChild(self):
--- a/Lib/test/test_pyexpat.py
+++ b/Lib/test/test_pyexpat.py
@@ -14,8 +14,7 @@ from test.support import os_helper
from xml.parsers import expat
from xml.parsers.expat import errors
-from test.support import sortdict, is_emscripten, is_wasi
-
+from test.support import sortdict, is_emscripten, is_wasi, is_expat_2_6_0
class SetAttributeTest(unittest.TestCase):
def setUp(self):
@@ -770,9 +769,8 @@ class ReparseDeferralTest(unittest.TestC
self.assertIs(parser.GetReparseDeferralEnabled(), enabled)
def test_reparse_deferral_enabled(self):
- if expat.version_info < (2, 6, 0):
- self.skipTest(f'Expat {expat.version_info} does not '
- 'support reparse deferral')
+ if not is_expat_2_6_0:
+ self.skipTest("Linked libexpat doesn't support reparse deferral")
started = []
@@ -801,9 +799,9 @@ class ReparseDeferralTest(unittest.TestC
parser = expat.ParserCreate()
parser.StartElementHandler = start_element
- if expat.version_info >= (2, 6, 0):
+ if is_expat_2_6_0:
parser.SetReparseDeferralEnabled(False)
- self.assertFalse(parser.GetReparseDeferralEnabled())
+ self.assertFalse(parser.GetReparseDeferralEnabled())
for chunk in (b'<doc', b'/>'):
parser.Parse(chunk, False)
--- a/Lib/test/test_sax.py
+++ b/Lib/test/test_sax.py
@@ -19,13 +19,11 @@ from xml.sax.xmlreader import InputSourc
from io import BytesIO, StringIO
import codecs
import os.path
-import pyexpat
import shutil
import sys
from urllib.error import URLError
import urllib.request
-from test.support import os_helper
-from test.support import findfile
+from test.support import os_helper, findfile, is_expat_2_6_0
from test.support.os_helper import FakePath, TESTFN
@@ -1215,10 +1213,10 @@ class ExpatReaderTest(XmlTestBase):
self.assertEqual(result.getvalue(), start + b"<doc>text</doc>")
- @unittest.skipIf(pyexpat.version_info < (2, 6, 0),
- f'Expat {pyexpat.version_info} does not '
- 'support reparse deferral')
def test_flush_reparse_deferral_enabled(self):
+ if not is_expat_2_6_0:
+ self.skipTest("Linked libexpat doesn't support reparse deferral")
+
result = BytesIO()
xmlgen = XMLGenerator(result)
parser = create_parser()
@@ -1241,6 +1239,9 @@ class ExpatReaderTest(XmlTestBase):
self.assertEqual(result.getvalue(), start + b"<doc></doc>")
def test_flush_reparse_deferral_disabled(self):
+ if not is_expat_2_6_0:
+ self.skipTest("Linked libexpat doesn't support reparse deferral")
+
result = BytesIO()
xmlgen = XMLGenerator(result)
parser = create_parser()
@@ -1249,9 +1250,8 @@ class ExpatReaderTest(XmlTestBase):
for chunk in ("<doc", ">"):
parser.feed(chunk)
- if pyexpat.version_info >= (2, 6, 0):
- parser._parser.SetReparseDeferralEnabled(False)
- self.assertEqual(result.getvalue(), start) # i.e. no elements started
+ parser._parser.SetReparseDeferralEnabled(False)
+ self.assertEqual(result.getvalue(), start) # i.e. no elements started
self.assertFalse(parser._parser.GetReparseDeferralEnabled())
--- a/Lib/test/test_xml_etree.py
+++ b/Lib/test/test_xml_etree.py
@@ -13,7 +13,6 @@ import itertools
import operator
import os
import pickle
-import pyexpat
import sys
import textwrap
import types
@@ -1424,12 +1423,6 @@ class XMLPullParserTest(unittest.TestCas
self.assert_event_tags(parser, [('end', 'root')])
self.assertIsNone(parser.close())
- def test_simple_xml_chunk_1(self):
- self.test_simple_xml(chunk_size=1, flush=True)
-
- def test_simple_xml_chunk_5(self):
- self.test_simple_xml(chunk_size=5, flush=True)
-
def test_simple_xml_chunk_22(self):
self.test_simple_xml(chunk_size=22)
@@ -1627,9 +1620,6 @@ class XMLPullParserTest(unittest.TestCas
with self.assertRaises(ValueError):
ET.XMLPullParser(events=('start', 'end', 'bogus'))
- @unittest.skipIf(pyexpat.version_info < (2, 6, 0),
- f'Expat {pyexpat.version_info} does not '
- 'support reparse deferral')
def test_flush_reparse_deferral_enabled(self):
parser = ET.XMLPullParser(events=('start', 'end'))
@@ -1656,8 +1646,6 @@ class XMLPullParserTest(unittest.TestCas
for chunk in ("<doc", ">"):
parser.feed(chunk)
-
- if pyexpat.version_info >= (2, 6, 0):
if not ET is pyET:
self.skipTest(f'XMLParser.(Get|Set)ReparseDeferralEnabled '
'methods not available in C')
