[lxml-dev] PI attribute access

[Stefan Behnel]

Hi,

Lee Brown wrote:
> I presume from the previous mailing list traffic and some code introspection
> that this is the "right" way to handle xml-stylesheet PIs:
> 
> 	xml_tree = etree.parse(xml_data)
> 	xsl_pi = xml_tree.getroot().getprevious()
> 	xsl_tree = xsl_pi.parseXSL()
> 	transformer = etree.XSLT(xsl_tree)
> 	result = transformer(xml_tree)
> 
> There's one suprise, though:  I had thought from the mailing list discussion
> that 'href' attribute would be accessible by the get() and set() methods - but
> it isn't; everything past the tag is kept simply as text.

... which is basically how PIs look like according to the XML spec.

I just added a fake implementation for get() that parses the text for
attribute-like text sequences. For simplicity, however, the set() method only
supports setting the href 'attribute' for now.

Have fun,
Stefan