Re: [xml] python xpath

[Daniel Veillard <veillard redhat com>]

On Tue, Jul 13, 2004 at 05:21:19PM -0400, Stefan Seefeld wrote:
> Jason Jesso wrote:
> > flight = self.ctxt.xpathEval( "table/tr/td/a/text()" )
> > print flight[0]
> >
> > I am evaluating this xpath expression using python's libxml2.
> >
> > How can I get the actual text data?  When I print the result set I get 
> text
> > node information, like the address and stuff.
>
> The node's 'content' (python) attribute will contain the actual text (if it 
> is
> a text node).

  Another way is to do
    flight_str=self.ctxt.xpathEval( "string(table/tr/td/a/text()[0])" )
i.e. make the conversion directly at the XPath level and get a string back.

> Daniel: it might indeed be convenient to return the content in the __str__ 
> attribute
> (for text nodes only, of course), thus returning the actual text if 'print 
> node'
> is called.

  would you feel like making a small patch to python/libxml.py 
there is also the serialize() method but which is both more generic and more
complex than a simple text node dump.

Daniel

-- 
Daniel Veillard      | Red Hat Desktop team http://redhat.com/
veillard redhat com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
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