Need help with basic DOM XML tree traversing

Barak, Ron Ron.Barak at lsi.com
Mon Apr 26 15:51:02 CEST 2010


> -----Original Message-----
> From: Stefan Behnel [mailto:stefan_ml at behnel.de] 
> Sent: Sunday, April 25, 2010 6:42 PM
> To: python-list at python.org
> Subject: Re: Need help with basic DOM XML tree traversing
> 
> Barak, Ron, 25.04.2010 17:06:
> > This is my first try at XML with Python, and though I tried 
> to read on the web, I'm unable to traverse a DOM tree, as my 
> top element seems to be DOCUMENT_NODE and I cannot find a way 
> to get to the nodes below it.
> 
> You might find the xml.etree.ElementTree package a lot easier 
> to work with.
> 
> 
> > $ python -u xml_parse.py
> > node:<xml.dom.minidom.DocumentType instance at 0x00DE25A8>
> > dom2.nodeType: 9
> > dom2.nodeName: #document
> > node is DOCUMENT_NODE:<xml.dom.minidom.DocumentType instance at 
> > 0x00DE25A8> node:<DOM Element: database at 0xde2698>
> > dom2.nodeType: 9
> > dom2.nodeName: #document
> > node is DOCUMENT_NODE:<DOM Element: database at 0xde2698> 
> > ('dom2._get_childNodes():', [<xml.dom.minidom.DocumentType 
> instance at 
> > 0x00DE25A8>,<DOM Element: database at 0xde2698>]) Traceback 
> (most recent call last):
> >    File "xml_parse.py", line 26, in<module>
> >      
> > 
> print("child_nodes._get_childNodes():",child_nodes._get_childNodes())
> > AttributeError: 'NodeList' object has no attribute '_get_childNodes'
> 
> "childNodes" is a property, use it like
> 
>      print("child_nodes.childNodes:", child_nodes.childNodes)
> 
> By convention, the underscore at the beginning of "_get_childNodes" 
> indicates that it is not considered a public method.
> 
> Stefan
> 
> 
>

Hi Stefan,
Thanks for the excellent pointer to xml.etree.ElementTree: it sure makes life easier :-)
Bye,
Ron.
 


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