Matej Cepl
951fa01e4b
- Add upstream patch libexpat260.patch, Fix tests for XMLPullParser with Expat 2.6.0, gh#python/cpython#115289 OBS-URL: https://build.opensuse.org/request/show/1146817 OBS-URL: https://build.opensuse.org/package/show/devel:languages:python:Factory/python310?expand=0&rev=110
108 lines
4.4 KiB
Diff
108 lines
4.4 KiB
Diff
From f2eebf3c38eae77765247791576b437ec25ccfe2 Mon Sep 17 00:00:00 2001
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From: Serhiy Storchaka <storchaka@gmail.com>
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Date: Sun, 11 Feb 2024 12:08:39 +0200
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Subject: [PATCH] gh-115133: Fix tests for XMLPullParser with Expat 2.6.0
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(GH-115164)
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Feeding the parser by too small chunks defers parsing to prevent
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CVE-2023-52425. Future versions of Expat may be more reactive.
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(cherry picked from commit 4a08e7b3431cd32a0daf22a33421cd3035343dc4)
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Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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---
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Lib/test/test_xml_etree.py | 58 ++++++++++++-------
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...-02-08-14-21-28.gh-issue-115133.ycl4ko.rst | 2 +
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2 files changed, 38 insertions(+), 22 deletions(-)
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create mode 100644 Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst
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Index: Python-3.10.13/Lib/test/test_xml_etree.py
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===================================================================
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--- Python-3.10.13.orig/Lib/test/test_xml_etree.py
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+++ Python-3.10.13/Lib/test/test_xml_etree.py
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@@ -13,6 +13,7 @@ import itertools
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import operator
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import os
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import pickle
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+import pyexpat
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import sys
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import textwrap
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import types
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@@ -120,6 +121,10 @@ ATTLIST_XML = """\
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</foo>
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"""
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+fails_with_expat_2_6_0 = (unittest.expectedFailure
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+ if pyexpat.version_info >= (2, 6, 0) else
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+ lambda test: test)
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+
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def checkwarnings(*filters, quiet=False):
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def decorator(test):
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def newtest(*args, **kwargs):
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@@ -1396,28 +1401,37 @@ class XMLPullParserTest(unittest.TestCas
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self.assertEqual([(action, elem.tag) for action, elem in events],
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expected)
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- def test_simple_xml(self):
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- for chunk_size in (None, 1, 5):
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- with self.subTest(chunk_size=chunk_size):
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- parser = ET.XMLPullParser()
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- self.assert_event_tags(parser, [])
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- self._feed(parser, "<!-- comment -->\n", chunk_size)
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- self.assert_event_tags(parser, [])
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- self._feed(parser,
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- "<root>\n <element key='value'>text</element",
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- chunk_size)
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- self.assert_event_tags(parser, [])
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- self._feed(parser, ">\n", chunk_size)
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- self.assert_event_tags(parser, [('end', 'element')])
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- self._feed(parser, "<element>text</element>tail\n", chunk_size)
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- self._feed(parser, "<empty-element/>\n", chunk_size)
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- self.assert_event_tags(parser, [
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- ('end', 'element'),
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- ('end', 'empty-element'),
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- ])
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- self._feed(parser, "</root>\n", chunk_size)
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- self.assert_event_tags(parser, [('end', 'root')])
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- self.assertIsNone(parser.close())
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+ def test_simple_xml(self, chunk_size=None):
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+ parser = ET.XMLPullParser()
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+ self.assert_event_tags(parser, [])
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+ self._feed(parser, "<!-- comment -->\n", chunk_size)
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+ self.assert_event_tags(parser, [])
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+ self._feed(parser,
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+ "<root>\n <element key='value'>text</element",
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+ chunk_size)
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+ self.assert_event_tags(parser, [])
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+ self._feed(parser, ">\n", chunk_size)
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+ self.assert_event_tags(parser, [('end', 'element')])
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+ self._feed(parser, "<element>text</element>tail\n", chunk_size)
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+ self._feed(parser, "<empty-element/>\n", chunk_size)
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+ self.assert_event_tags(parser, [
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+ ('end', 'element'),
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+ ('end', 'empty-element'),
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+ ])
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+ self._feed(parser, "</root>\n", chunk_size)
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+ self.assert_event_tags(parser, [('end', 'root')])
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+ self.assertIsNone(parser.close())
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+
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+ @fails_with_expat_2_6_0
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+ def test_simple_xml_chunk_1(self):
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+ self.test_simple_xml(chunk_size=1)
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+
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+ @fails_with_expat_2_6_0
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+ def test_simple_xml_chunk_5(self):
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+ self.test_simple_xml(chunk_size=5)
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+
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+ def test_simple_xml_chunk_22(self):
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+ self.test_simple_xml(chunk_size=22)
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def test_feed_while_iterating(self):
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parser = ET.XMLPullParser()
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Index: Python-3.10.13/Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst
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===================================================================
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--- /dev/null
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+++ Python-3.10.13/Misc/NEWS.d/next/Library/2024-02-08-14-21-28.gh-issue-115133.ycl4ko.rst
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@@ -0,0 +1,2 @@
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+Fix tests for :class:`~xml.etree.ElementTree.XMLPullParser` with Expat
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+2.6.0.
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