[lxml-dev] Templating

[Terry Brown]

On Fri, 06 Feb 2009 21:32:39 +0100
Stefan Behnel <stefan_ml at behnel.de> wrote:

> Hi,
> 
> Audun Wilhelmsen wrote:
> > I'd like to use lxml for creating a simple HTML templating engine,
> > by implementing some custom tags and attributes.
> 
> Note that there are already a lot of template engines, including some
> that work with lxml, such as webstring.

I've used Genshi with lxml, now I come to think of it.  Genshi's python
oriented.  As webstring maybe also, I don't know.

Cheers -Terry

> 
> > A simple example:
> > <p gc:text="foobar"></p>
> > Would replace the text content of the tag with the variable foobar.
> > 
> > But I'm not sure how to implement it using lxml. I've been using  
> > Genshi succesfully,  by simply processing the tag stream before  
> > serializing. But I'd like to have the DOM-like capabilities and
> > speed of lxml.
> > 
> > What would be the best approach? I've been trying to use XPath to
> > find all the elements and attributes with a gc: prefix, but with
> > little success so far (maybe mixing namespaces with non-xml html
> > doesn't work that well?).
> 
> The HTML is (obviously) not namespace aware. But have you considered
> storing your templates as XHTML? That would allow you to use
> namespaces at will, without preventing you from serialising them to
> HTML. Also, if your templates are XML compatible (even without an
> XHTML namespace), you can just parse them with the XML parser instead
> of the HTML parser.
> 
> Stefan
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