[Tutor] Help with Elementtree ...how to access the attributes..

[Kent Johnson]

doug shawhan wrote:
> I'm having some difficulties with elementtree as well.
> 
> I'm attempting to parse a fairly sizeable xml file (it's the ebay 
> "category tree" report. I've cached a copy at 
> http://www.crackrabbit.com/misc/CatTree.xml). 900K or so! :-)

> I've made a smaller version that I could easily get me brain around:
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <GetCategoriesResponse xmlns="urn:ebay:apis:eBLBaseComponents">
>     <Timestamp>2006-11-07T07:45:40.908Z</Timestamp>
>     <Ack>Success</Ack>
>     <Version>485</Version>
>     <Build>e485_core_Bundled_3782281_R1</Build>
>     <CategoryArray>
>         <Category>
>             <BestOfferEnabled>true</BestOfferEnabled>
>             <CategoryID>6000</CategoryID>
>             <CategoryLevel>1</CategoryLevel>
>             <CategoryName>eBay Motors</CategoryName>
>             <CategoryParentID>6000</CategoryParentID>
>             <Expired>false</Expired>
>             <IntlAutosFixedCat>false</IntlAutosFixedCat>
>             <LeafCategory>false</LeafCategory>
>             <Virtual>false</Virtual>
>             <ORPA>false</ORPA>
>             <LSD>true</LSD>
>         </Category>
>     </CategoryArray>
> </GetCategoriesResponse>
> 
> which also seems to parse cleanly and appears to be similar to what 
> Asraramed had constructed, but still does not yeild any results no 
> matter which element I attempt to find with findall().
> 
> What am I doing wrong? Thanks!

When an XML document is in a namespase, ET includes the name of the 
namespace as part of the element name and you have to include it when 
you use findall().

Try categories = 
tree.findall("{urn:ebay:apis:eBLBaseComponents}CategoryArray")

http://effbot.org/zone/element.htm#xml-namespaces

Kent