xml.dom.minidom -> Xpath ?

[Alexandre]

"Alan Kennedy" <alanmk at hotmail.com> > Well, you could
>
> 1. Navigate over your tree deleting whitespace nodes, before doing
> your processing.
> 2. Write your own nav function which skips whitespace text nodes (as
> you have done above).
> 3. Use Xpath to find nodes in trees.

Alan, thanks a lot for your answer.
It just raises another question :)
Using Xpath sounds realy cool but... can i do that with a DOM object ?
(haven't found any reference to Xpath in DOM or minidom Python's doc?!)

Alexandre