Parsing markup.

Stefan Behnel stefan_ml at behnel.de
Mon Nov 29 17:34:10 CET 2010


Jon Clements, 26.11.2010 13:58:
> On Nov 26, 4:03 am, MRAB<pyt... at mrabarnett.plus.com>  wrote:
>> On 26/11/2010 03:28, Joe Goldthwaite wrote:
>>   >  I’m attempting to parse some basic tagged markup.  The output of the
>>   >  TinyMCE editor returns a string that looks something like this;
>>   >
>>   >  <p>This is a paragraph with<b>bold</b>  and<i>italic</i>  elements in
>>   >  it</p><p>It can be made up of multiple lines separated by pagagraph
>>   >  tags.</p>
>>   >
>>   >  I’m trying to render the paragraph into a bit mapped image.  I need
>>   >  to parse it out into the various paragraph and bold/italic pieces.
>>   >  I’m not sure the best way to approach it.  Elementree and lxml seem
>>   >  to want a full formatted page, not a small segment like this one.
>>   >  When I tried to feed a line similar to the above to lxml I got an
>>   >  error; “XMLSyntaxError: Extra content at the end of the document”.

This exception indicates that the OP is using the XML parser.


> lxml works fine for me - have you tried:
>
> from lxml import html
> text = "<p>This is a paragraph with<b>bold</b>  and<i>italic</i>
> elements in it</p><p>It can be made up of multiple lines separated by
> pagagraph tags.</p>"
> tree = html.fromstring(text)
> print tree.findall('p')
> # should print [<Element p at 2b7b458>,<Element p at 2b7b3e8>]

Yep, either use lxml.etree's HTML parser or lxml.html.

Stefan




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