ElementTree: can't figure out a mismached-tag error

Fábio Santos fabiosantosart at gmail.com
Thu Jul 11 11:08:04 CEST 2013


On 11 Jul 2013 10:04, "F.R." <anthra.norell at bluewin.ch> wrote:
>
> Hi all,
>
> I haven't been able to get up to speed with XML. I do examples from the
tutorials and experiment with variations. Time and time again I fail with
errors messages I can't make sense of. Here's the latest one. The url is "
http://finance.yahoo.com/q?s=XIDEQ&ql=0". Ubuntu 12.04 LTS, Python 2.7.3
(default, Aug  1 2012, 05:16:07) [GCC 4.6.3]
>
> >>> import xml.etree.ElementTree as ET
> >>> tree = ET.parse('q?s=XIDEQ')  # output of wget
http://finance.yahoo.com/q?s=XIDEQ&ql=0
> Traceback (most recent call last):
>   File "<pyshell#69>", line 1, in <module>
>     tree = ET.parse('q?s=XIDEQ')
>   File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1183, in parse
>     tree.parse(source, parser)
>   File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 656, in parse
>     parser.feed(data)
>   File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1643, in feed
>     self._raiseerror(v)
>   File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1507, in
_raiseerror
>     raise err
> ParseError: mismatched tag: line 9, column 2
>
> Below first nine lines. The line numbers and the following space are
hand-edited in. Three dots stand for sections cut out to fit long lines.
Line 6 is a bunch of "meta" statements, all of which I show on a separate
line each in order to preserve the angled brackets. On all lines the angled
brackets have been preserved. The mismatched character is the slash of the
closing tag </head>. What could be wrong with it? And if it is, what about
fault tolerance?
>
> 1 <!DOCTYPE html PUBLIC "-//W3C//DTD  . . . /strict.dtd">
> 2 <html lang="en-US">
> 3 <head><meta http-equiv="Content-Type" content="text/html;
charset=utf-8">
> 4 <title>XIDEQ: Summary for EXIDE TECH NEW- Yahoo! Finance</title>
> 5 <meta name="description" xml:space="default" content="View the basic
XIDEQ . . .
> 6 . . . other companies."><meta name="keywords" content="XIDEQ, EXIDE
TECH . . .">
>   <meta property="fb:app_id" content="118155468215844">
>   <meta property="fb:admins" content="503762770,100001149693905">
>   <meta property="og:type" content="company">
>   <meta property="og:site_name" content="Yahoo! Finance">
>   <meta property="og:title" content="Exide Technologies">
>   <meta property="og:image" content="http://l.yimg.com/a/p/fi/31/09/00.jpg
">
>   <meta property="og:url" content="http://finance.yahoo.com/q?s=XIDEQ">
>   <meta property="og:description" content="View the basic XIDEQ . . .
> 7 other companies."><link rel="canonical" href="
http://finance.yahoo.com/q?s=XIDEQ">
> 8 <link rel="stylesheet" href="http://l.yimg.com/zz/ . . .
type="text/css">
> 9 </head>
>    ^
>     Mismatch!
>
> Thanks for suggestions
>
> Frederic

That is not XML. It is HTML. You get a mismatched tag because the <link>
tag doesn't need closing in HTML, but in XML every single tag needs closing.

Use an HTML parser. I strongly recommend  BeautifulSoup but I think etree
has an HTML parser too. I am not sure..
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