Hi Miro,
Very interesting. This is the latest upstream version of expat and
nothing was suggesting that there could be such issues.
I will start to look for the cause of this immediately.
Thanks for bringing this to my attention.
On Tue, Feb 22, 2022 at 12:25 PM Miro Hrončok <mhroncok@xxxxxxxxxx> wrote:
>
> On 22. 02. 22 12:20, Miro Hrončok wrote:
> > Hello Dave and Tomas,
> >
> > I see in Koschei that since libxml2 has been upgraded from 2.9.12-7.fc36 to
> > 2.9.13-1.fc37 [1] and expat has been upgraded from 2.4.4-1.fc36 to 2.4.6-1.fc37
> > [2], Python fails to build (as well as many other packages).
> >
> > The Python test failures are:
> >
> > ======================================================================
> > ERROR: testEncodings (test.test_minidom.MinidomTest)
> > ----------------------------------------------------------------------
> > Traceback (most recent call last):
> > File "/builddir/build/BUILD/Python-3.8.12/Lib/test/test_minidom.py", line
> > 1150, in testEncodings
> > self.assertRaises(UnicodeDecodeError, parseString,
> > File "/builddir/build/BUILD/Python-3.8.12/Lib/unittest/case.py", line 816,
> > in assertRaises
> > return context.handle('assertRaises', args, kwargs)
> > File "/builddir/build/BUILD/Python-3.8.12/Lib/unittest/case.py", line 202,
> > in handle
> > callable_obj(*args, **kwargs)
> > File "/builddir/build/BUILD/Python-3.8.12/Lib/xml/dom/minidom.py", line
> > 1969, in parseString
> > return expatbuilder.parseString(string)
> > File "/builddir/build/BUILD/Python-3.8.12/Lib/xml/dom/expatbuilder.py", line
> > 925, in parseString
> > return builder.parseString(string)
> > File "/builddir/build/BUILD/Python-3.8.12/Lib/xml/dom/expatbuilder.py", line
> > 223, in parseString
> > parser.Parse(string, True)
> > xml.parsers.expat.ExpatError: not well-formed (invalid token): line 1, column 5
> >
> > ======================================================================
> > ERROR: testExceptionOnSpacesInXMLNSValue (test.test_minidom.MinidomTest)
> > ----------------------------------------------------------------------
> > Traceback (most recent call last):
> > File "/builddir/build/BUILD/Python-3.8.12/Lib/test/test_minidom.py", line
> > 1597, in testExceptionOnSpacesInXMLNSValue
> > parseString('<element xmlns:abc="http:abc.com/de f g/hi/j k"><abc:foo
> > /></element>')
> > File "/builddir/build/BUILD/Python-3.8.12/Lib/xml/dom/minidom.py", line
> > 1969, in parseString
> > return expatbuilder.parseString(string)
> > File "/builddir/build/BUILD/Python-3.8.12/Lib/xml/dom/expatbuilder.py", line
> > 925, in parseString
> > return builder.parseString(string)
> > File "/builddir/build/BUILD/Python-3.8.12/Lib/xml/dom/expatbuilder.py", line
> > 223, in parseString
> > parser.Parse(string, True)
> > xml.parsers.expat.ExpatError: syntax error: line 1, column 0
> > ----------------------------------------------------------------------
> >
> > ======================================================================
> > ERROR: test_issue3151 (test.test_xml_etree.BugsTest)
> > ----------------------------------------------------------------------
> > Traceback (most recent call last):
> > File "/builddir/build/BUILD/Python-3.8.12/Lib/test/test_xml_etree.py", line
> > 1972, in test_issue3151
> > e = ET.XML('<prefix:localname xmlns:prefix="${stuff}"/>')
> > File "/builddir/build/BUILD/Python-3.8.12/Lib/xml/etree/ElementTree.py",
> > line 1320, in XML
> > parser.feed(text)
> > xml.etree.ElementTree.ParseError: syntax error: line 1, column 0
> > ----------------------------------------------------------------------
> >
> > Is it possible that libxml2 or expat (or both) have a regression that causes a
> > previously valid XML document to fail to parse?
> >
> > [1]
> > https://koschei.fedoraproject.org/affected-by/libxml2-devel?epoch1=0&version1=2.9.12&release1=7.fc36&epoch2=0&version2=2.9.13&release2=1.fc37&collection=f37
> >
> > [2]
> > https://koschei.fedoraproject.org/affected-by/expat-devel?epoch1=0&version1=2.4.4&release1=1.fc36&epoch2=0&version2=2.4.6&release2=1.fc37&collection=f37
>
> This also happens on Fedora 36:
>
> https://koschei.fedoraproject.org/affected-by/libxml2?epoch1=0&version1=2.9.12&release1=7.fc36&epoch2=0&version2=2.9.13&release2=1.fc36&collection=f36
> https://koschei.fedoraproject.org/affected-by/expat-devel?epoch1=0&version1=2.4.4&release1=1.fc36&epoch2=0&version2=2.4.6&release2=1.fc36&collection=f36
>
> --
> Miro Hrončok
> --
> Phone: +420777974800
> IRC: mhroncok
>
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