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From a5b78c6f1c802f6023bd4d7a248dc83be1eef6a3 Mon Sep 17 00:00:00 2001
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From: Sebastian Pipping <sebastian@pipping.org>
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Date: Mon, 21 Feb 2022 15:48:32 +0100
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Subject: [PATCH] 00378: Support expat 2.4.5
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Curly brackets were never allowed in namespace URIs
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according to RFC 3986, and so-called namespace-validating
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XML parsers have the right to reject them a invalid URIs.
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libexpat >=2.4.5 has become strcter in that regard due to
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related security issues; with ET.XML instantiating a
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namespace-aware parser under the hood, this test has no
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future in CPython.
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References:
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- https://datatracker.ietf.org/doc/html/rfc3968
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- https://www.w3.org/TR/xml-names/
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Also, test_minidom.py: Support Expat >=2.4.5
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Upstream: https://bugs.python.org/issue46811
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Co-authored-by: Sebastian Pipping <sebastian@pipping.org>
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---
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Lib/test/test_minidom.py | 12 +++++++++---
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Lib/test/test_xml_etree.py | 6 ------
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.../Library/2022-02-20-21-03-31.bpo-46811.8BxgdQ.rst | 1 +
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3 files changed, 10 insertions(+), 9 deletions(-)
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create mode 100644 Misc/NEWS.d/next/Library/2022-02-20-21-03-31.bpo-46811.8BxgdQ.rst
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diff --git a/Lib/test/test_minidom.py b/Lib/test/test_minidom.py
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index d55e25e..e947382 100644
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--- a/Lib/test/test_minidom.py
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+++ b/Lib/test/test_minidom.py
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@@ -5,10 +5,12 @@ import pickle
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from test import support
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import unittest
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+import pyexpat
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import xml.dom.minidom
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from xml.dom.minidom import parse, Node, Document, parseString
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from xml.dom.minidom import getDOMImplementation
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+from xml.parsers.expat import ExpatError
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tstfile = support.findfile("test.xml", subdir="xmltestdata")
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@@ -1156,8 +1158,10 @@ class MinidomTest(unittest.TestCase):
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# Verify that character decoding errors raise exceptions instead
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# of crashing
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- self.assertRaises(UnicodeDecodeError, parseString,
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- b'<fran\xe7ais>Comment \xe7a va ? Tr\xe8s bien ?</fran\xe7ais>')
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+ self.assertRaises(ExpatError, parseString,
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+ b'<fran\xe7ais></fran\xe7ais>')
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+ self.assertRaises(ExpatError, parseString,
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+ b'<franais>Comment \xe7a va ? Tr\xe8s bien ?</franais>')
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doc.unlink()
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@@ -1602,7 +1606,9 @@ class MinidomTest(unittest.TestCase):
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self.confirm(doc2.namespaceURI == xml.dom.EMPTY_NAMESPACE)
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def testExceptionOnSpacesInXMLNSValue(self):
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- with self.assertRaisesRegex(ValueError, 'Unsupported syntax'):
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+ context = self.assertRaisesRegex(ExpatError, 'syntax error')
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+
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+ with context:
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parseString('<element xmlns:abc="http:abc.com/de f g/hi/j k"><abc:foo /></element>')
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def testDocRemoveChild(self):
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diff --git a/Lib/test/test_xml_etree.py b/Lib/test/test_xml_etree.py
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index b01709e..acaa519 100644
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--- a/Lib/test/test_xml_etree.py
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+++ b/Lib/test/test_xml_etree.py
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@@ -1668,12 +1668,6 @@ class BugsTest(unittest.TestCase):
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b"\n"
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b'<body>tãg</body>')
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- def test_issue3151(self):
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- e = ET.XML('<prefix:localname xmlns:prefix="${stuff}"/>')
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- self.assertEqual(e.tag, '{${stuff}}localname')
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- t = ET.ElementTree(e)
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- self.assertEqual(ET.tostring(e), b'<ns0:localname xmlns:ns0="${stuff}" />')
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-
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def test_issue6565(self):
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elem = ET.XML("<body><tag/></body>")
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self.assertEqual(summarize_list(elem), ['tag'])
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diff --git a/Misc/NEWS.d/next/Library/2022-02-20-21-03-31.bpo-46811.8BxgdQ.rst b/Misc/NEWS.d/next/Library/2022-02-20-21-03-31.bpo-46811.8BxgdQ.rst
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new file mode 100644
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index 0000000..6969bd1
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--- /dev/null
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+++ b/Misc/NEWS.d/next/Library/2022-02-20-21-03-31.bpo-46811.8BxgdQ.rst
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@@ -0,0 +1 @@
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+Make test suite support Expat >=2.4.5
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--
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2.35.1
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