[lxml-dev] Working with <?xml-stylesheet ... ?>

[Martin Aspeli]

Martin Aspeli wrote:
> Hi,
> 
> I'd like to quickly/efficiently get a list of all <?xml-stylesheet ?> 
> processing instructions in a given document.
> 
> I have managed to find it via root_tree.getprevious(), but it seems I 
> need to search through the siblings here to find the <?xml-stylesheet ?> 
> if indeed there is one.
> 
> I'm using the HTML parser.
> 
> Is there a more natural API?
> 
> Also, serialising using lxml.html.tostring() seems to lose the 
> <?xml-stylesheet ?> PI. Is this by design?

Mmmm.... and another thing: once I get the HtmlProcessingInstruction 
node, how can I get the value of its pseudo-attributes (href and type, 
in this case)? The attr dict is empty...

Martin

-- 
Author of `Professional Plone Development`, a book for developers who
want to work with Plone. See http://martinaspeli.net/plone-book