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bpo-46811: Make test suite support Expat >=2.4.5 (GH-31453) (GH-31472)

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Curly brackets were never allowed in namespace URIs
according to RFC 3986, and so-called namespace-validating
XML parsers have the right to reject them a invalid URIs.

libexpat >=2.4.5 has become strcter in that regard due to
related security issues; with ET.XML instantiating a
namespace-aware parser under the hood, this test has no
future in CPython.

References:
- https://datatracker.ietf.org/doc/html/rfc3968
- https://www.w3.org/TR/xml-names/

Also, test_minidom.py: Support Expat >=2.4.5
(cherry picked from commit 2cae93832f)

Co-authored-by: Sebastian Pipping <sebastian@pipping.org>
This commit is contained in:
Miss Islington (bot) 2022-02-21 08:16:09 -08:00 • committed by GitHub
parent 633d0f90f9
commit 7da97f6181
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3 changed files with 16 additions and 8 deletions
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6
Lib/test/test_xml_etree.py
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@ -2192,12 +2192,6 @@ class BugsTest(unittest.TestCase):
b"<?xml version='1.0' encoding='ascii'?>\n"
b'<body>t&#227;g</body>')
def test_issue3151(self):
e = ET.XML('<prefix:localname xmlns:prefix="${stuff}"/>')
self.assertEqual(e.tag, '{${stuff}}localname')
t = ET.ElementTree(e)
self.assertEqual(ET.tostring(e), b'<ns0:localname xmlns:ns0="${stuff}" />')
def test_issue6565(self):
elem = ET.XML("<body><tag/></body>")
self.assertEqual(summarize_list(elem), ['tag'])