[XML-SIG] PyXML XPath woes

[Thomas B. Passin]

Matt Patterson wrote:
> 
> I've got an XML file in which I want to locate all elements with the 
> attribute boundary set to 'true'. I use the following XPath with 4DOM:
> 
> //*[@boundary='true']
> 
> like so:
> boundaryFinder = Compile("//*[@boundary='true']")
> context = Context(self.document)
> # evaluate the expression and get a nodeList
> boundaryNodes = boundaryFinder.evaluate(context)
> 
> But the results of the XPath do not return all the nodes which match!
> 

How many nodes did you get and how many are actually there?

You have an encoding problem with the file you linked to.  It is encoded 
in iso-8859-1 but with no encoding declaration it is treated as utf-8. 
Unfortunately there are some non-utf-8 characters in it, so it is not 
well-formed.  Thus any results you get would be suspect.  In fact, it 
should not parse sucessfully at all.

Once I added an encoding declaration for iso-8859-1, running the xpath 
expression in XML Cooktop I got 47 @boundary nodes, the same as Luis 
Miguel said he found.

Fix your encoding (I have no idea how you will do that, but presumably 
either a Framemaker setting or a bit more preprocessing would do it). 
Then follow Luis Miguel's example and see if you get the same results.

Cheers,

Tom P