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https://issues.apache.org/jira/browse/QPID-2524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12889959#action_12889959
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Angel Freire commented on QPID-2524:
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In the xml_parse function defined in mllib's __init__ a check was performed to
see if Python 2.3 was used and, in that case, append file:// to the file URL. I
don't know why that check was there, file:// is necesary in all the Python
versions I'm able to check (2.5 and 2.6)
The given attach removes that check.
> Fails loading dtd in Python 2.6 on Ubuntu 9.10 (Karmic) with "ValueError:
> unknown url type: /.../specs/amqp.0-10.dtd"
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: QPID-2524
> URL: https://issues.apache.org/jira/browse/QPID-2524
> Project: Qpid
> Issue Type: Bug
> Components: Python Client
> Affects Versions: 0.6
> Environment: Ubuntu 9.10 (Karmic)
> Python 2.6
> Qpid 0.6 (and trunk)
> Reporter: Greg Gaughan
> Priority: Critical
> Attachments: remove-check-for-py23-r965557.diff
>
>
> In Python 2.6, importing qpid raises "ValueError: unknown url type:
> /.../specs/amqp.0-10.dtd"
> File "/usr/lib/python2.6/dist-packages/_xmlplus/sax/expatreader.py", line
> 109, in parse
> xmlreader.IncrementalParser.parse(self, source)
> File "/usr/lib/python2.6/dist-packages/_xmlplus/sax/xmlreader.py", line
> 123, in parse
> self.feed(buffer)
> File "/usr/lib/python2.6/dist-packages/_xmlplus/sax/expatreader.py", line
> 216, in feed
> self._parser.Parse(data, isFinal)
> File "/usr/lib/python2.6/dist-packages/_xmlplus/sax/expatreader.py", line
> 396, in external_entity_ref
> "")
> File "/usr/lib/python2.6/dist-packages/_xmlplus/sax/saxutils.py", line 523,
> in prepare_input_source
> f = urllib2.urlopen(source.getSystemId())
> File "/usr/lib/python2.6/urllib2.py", line 124, in urlopen
> return _opener.open(url, data, timeout)
> File "/usr/lib/python2.6/urllib2.py", line 381, in open
> protocol = req.get_type()
> File "/usr/lib/python2.6/urllib2.py", line 242, in get_type
> raise ValueError, "unknown url type: %s" % self.__original
> This didn't happen in Python 2.5 (on Ubuntu 8.10 at least). The xml.sax
> routines use urlopen which cannot handle the filename (at least without a
> file:// prefix).
> Reversing r656301 fixes this by always prefixing the filename with file://
> (not just for Python 2.3). I'm not sure if this would fix it for all
> releases/versions though.
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