File libexpat260.patch of Package python310.32817
From f2eebf3c38eae77765247791576b437ec25ccfe2 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Sun, 11 Feb 2024 12:08:39 +0200
Subject: [PATCH] gh-115133: Fix tests for XMLPullParser with Expat 2.6.0
(GH-115164)
Feeding the parser by too small chunks defers parsing to prevent
CVE-2023-52425. Future versions of Expat may be more reactive.
(cherry picked from commit 4a08e7b3431cd32a0daf22a33421cd3035343dc4)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
---
Lib/test/test_xml_etree.py | 58 ++++++++++++-------
...-02-08-14-21-28.gh-issue-115133.ycl4ko.rst | 2 +
2 files changed, 38 insertions(+), 22 deletions(-)
create mode 100644 Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst
Index: Python-3.10.13/Lib/test/test_xml_etree.py
===================================================================
--- Python-3.10.13.orig/Lib/test/test_xml_etree.py
+++ Python-3.10.13/Lib/test/test_xml_etree.py
@@ -13,6 +13,7 @@ import itertools
import operator
import os
import pickle
+import pyexpat
import sys
import textwrap
import types
@@ -120,6 +121,10 @@ ATTLIST_XML = """\
</foo>
"""
+fails_with_expat_2_6_0 = (unittest.expectedFailure
+ if pyexpat.version_info >= (2, 6, 0) else
+ lambda test: test)
+
def checkwarnings(*filters, quiet=False):
def decorator(test):
def newtest(*args, **kwargs):
@@ -1396,28 +1401,37 @@ class XMLPullParserTest(unittest.TestCas
self.assertEqual([(action, elem.tag) for action, elem in events],
expected)
- def test_simple_xml(self):
- for chunk_size in (None, 1, 5):
- with self.subTest(chunk_size=chunk_size):
- parser = ET.XMLPullParser()
- self.assert_event_tags(parser, [])
- self._feed(parser, "<!-- comment -->\n", chunk_size)
- self.assert_event_tags(parser, [])
- self._feed(parser,
- "<root>\n <element key='value'>text</element",
- chunk_size)
- self.assert_event_tags(parser, [])
- self._feed(parser, ">\n", chunk_size)
- self.assert_event_tags(parser, [('end', 'element')])
- self._feed(parser, "<element>text</element>tail\n", chunk_size)
- self._feed(parser, "<empty-element/>\n", chunk_size)
- self.assert_event_tags(parser, [
- ('end', 'element'),
- ('end', 'empty-element'),
- ])
- self._feed(parser, "</root>\n", chunk_size)
- self.assert_event_tags(parser, [('end', 'root')])
- self.assertIsNone(parser.close())
+ def test_simple_xml(self, chunk_size=None):
+ parser = ET.XMLPullParser()
+ self.assert_event_tags(parser, [])
+ self._feed(parser, "<!-- comment -->\n", chunk_size)
+ self.assert_event_tags(parser, [])
+ self._feed(parser,
+ "<root>\n <element key='value'>text</element",
+ chunk_size)
+ self.assert_event_tags(parser, [])
+ self._feed(parser, ">\n", chunk_size)
+ self.assert_event_tags(parser, [('end', 'element')])
+ self._feed(parser, "<element>text</element>tail\n", chunk_size)
+ self._feed(parser, "<empty-element/>\n", chunk_size)
+ self.assert_event_tags(parser, [
+ ('end', 'element'),
+ ('end', 'empty-element'),
+ ])
+ self._feed(parser, "</root>\n", chunk_size)
+ self.assert_event_tags(parser, [('end', 'root')])
+ self.assertIsNone(parser.close())
+
+ @fails_with_expat_2_6_0
+ def test_simple_xml_chunk_1(self):
+ self.test_simple_xml(chunk_size=1)
+
+ @fails_with_expat_2_6_0
+ def test_simple_xml_chunk_5(self):
+ self.test_simple_xml(chunk_size=5)
+
+ def test_simple_xml_chunk_22(self):
+ self.test_simple_xml(chunk_size=22)
def test_feed_while_iterating(self):
parser = ET.XMLPullParser()
Index: Python-3.10.13/Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst
===================================================================
--- /dev/null
+++ Python-3.10.13/Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst
@@ -0,0 +1,2 @@
+Fix tests for :class:`~xml.etree.ElementTree.XMLPullParser` with Expat
+2.6.0.
