On Thu, Oct 11, 2012 at 10:29 AM, Matthew Wilkens <mattwilk...@gmail.com> wrote:
> I'm having what seems like an odd problem parsing the attached XML file.
> When I try this:

> from bs4 import BeautifulSoup
> soup = BeautifulSoup(open('problem.xml', 'r'), 'xml')

> I get the following error:

> Traceback (most recent call last):
>   File "test-bs-xml.py", line 2, in <module>
>     soup = BeautifulSoup(open('problem.xml', 'r'), 'xml')
>   File "/Library/Python/2.7/site-packages/bs4/__init__.py", line 172, in
> __init__
>     self._feed()
>   File "/Library/Python/2.7/site-packages/bs4/__init__.py", line 185, in
> _feed
>     self.builder.feed(self.markup)
>   File "/Library/Python/2.7/site-packages/bs4/builder/_lxml.py", line 85, in
> feed
>     self.parser.close()
>   File "parser.pxi", line 1164, in lxml.etree._FeedParser.close
> (src/lxml/lxml.etree.c:79835)
>   File "parsertarget.pxi", line 126, in
> lxml.etree._TargetParserContext._handleParseResult
> (src/lxml/lxml.etree.c:88881)
>   File "lxml.etree.pyx", line 282, in
> lxml.etree._ExceptionContext._raise_if_stored (src/lxml/lxml.etree.c:7469)
>   File "saxparser.pxi", line 170, in lxml.etree._handleSaxStart
> (src/lxml/lxml.etree.c:84109)
>   File "parsertarget.pxi", line 73, in
> lxml.etree._PythonSaxParserTarget._handleSaxStart
> (src/lxml/lxml.etree.c:88236)
>   File "/Library/Python/2.7/site-packages/bs4/builder/_lxml.py", line 126,
> in start
>     attr = NamespacedAttribute(nsprefix, attr, namespace)
>   File "/Library/Python/2.7/site-packages/bs4/element.py", line 30, in
> __new__
>     obj = unicode.__new__(cls, prefix + ":" + name)
> TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'

> Things are working fine on (some) other XML files, so it seems to something
> about the content of this one (and many others like it in a set I'm working
> with). A Unicode problem, maybe? Any idea what the issue could be? Dumbness
> on my part, I suspect.

> I'm using Beautiful Soup 4.1.3 and lxml 2.3.6 under Python 2.7.2 on Mac OS X
> 10.8.2.

> Many thanks!

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On Thursday, October 11, 2012 2:20:55 PM UTC-4, Leonard Richardson wrote:

> This is a bug in Beautiful Soup. I've filed it for you:

> https://bugs.launchpad.net/beautifulsoup/+bug/1065617

> A fix will be present in the next release.

> Leonard

> On Thu, Oct 11, 2012 at 10:29 AM, Matthew Wilkens <mattw...@gmail.com<javascript:>>
> wrote:
> > I'm having what seems like an odd problem parsing the attached XML file.
> > When I try this:

> > from bs4 import BeautifulSoup
> > soup = BeautifulSoup(open('problem.xml', 'r'), 'xml')

> > I get the following error:

> > Traceback (most recent call last):
> >   File "test-bs-xml.py", line 2, in <module>
> >     soup = BeautifulSoup(open('problem.xml', 'r'), 'xml')
> >   File "/Library/Python/2.7/site-packages/bs4/__init__.py", line 172, in
> > __init__
> >     self._feed()
> >   File "/Library/Python/2.7/site-packages/bs4/__init__.py", line 185, in
> > _feed
> >     self.builder.feed(self.markup)
> >   File "/Library/Python/2.7/site-packages/bs4/builder/_lxml.py", line
> 85, in
> > feed
> >     self.parser.close()
> >   File "parser.pxi", line 1164, in lxml.etree._FeedParser.close
> > (src/lxml/lxml.etree.c:79835)
> >   File "parsertarget.pxi", line 126, in
> > lxml.etree._TargetParserContext._handleParseResult
> > (src/lxml/lxml.etree.c:88881)
> >   File "lxml.etree.pyx", line 282, in
> > lxml.etree._ExceptionContext._raise_if_stored
> (src/lxml/lxml.etree.c:7469)
> >   File "saxparser.pxi", line 170, in lxml.etree._handleSaxStart
> > (src/lxml/lxml.etree.c:84109)
> >   File "parsertarget.pxi", line 73, in
> > lxml.etree._PythonSaxParserTarget._handleSaxStart
> > (src/lxml/lxml.etree.c:88236)
> >   File "/Library/Python/2.7/site-packages/bs4/builder/_lxml.py", line
> 126,
> > in start
> >     attr = NamespacedAttribute(nsprefix, attr, namespace)
> >   File "/Library/Python/2.7/site-packages/bs4/element.py", line 30, in
> > __new__
> >     obj = unicode.__new__(cls, prefix + ":" + name)
> > TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'

> > Things are working fine on (some) other XML files, so it seems to
> something
> > about the content of this one (and many others like it in a set I'm
> working
> > with). A Unicode problem, maybe? Any idea what the issue could be?
> Dumbness
> > on my part, I suspect.

> > I'm using Beautiful Soup 4.1.3 and lxml 2.3.6 under Python 2.7.2 on Mac
> OS X
> > 10.8.2.

> > Many thanks!

> > --
> > You received this message because you are subscribed to the Google
> Groups
> > "beautifulsoup" group.
> > To view this discussion on the web visit
> > https://groups.google.com/d/msg/beautifulsoup/-/29poWwuOHgAJ.
> > To post to this group, send email to beauti...@googlegroups.com<javascript:>.

> > To unsubscribe from this group, send email to
> > beautifulsou...@googlegroups.com <javascript:>.
> > For more options, visit this group at
> > http://groups.google.com/group/beautifulsoup?hl=en.