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Adam Olsen  
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 More options Jul 19 2009, 12:29 pm
From: Adam Olsen <arol...@gmail.com>
Date: Sun, 19 Jul 2009 09:29:42 -0700 (PDT)
Local: Sun, Jul 19 2009 12:29 pm
Subject: xml_select and namespaces
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Given the following XML:

<?xml version="1.0" encoding="UTF-8"?>
<user xmlns="urn:goonswarm:core:1" id="4514099">
        <api-keys>
                <api-key type="limited" href="http://localhost:1521/api/1/api-keys/
1/"/>
         </api-keys>
</user>

How can I select the href attribute using xml_select?

doc.xml_select(u'user/api-keys/api-key/@href') selects nothing, I
believe it's because of the namespace


 
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Uche Ogbuji  
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 More options Jul 19 2009, 1:12 pm
From: Uche Ogbuji <u...@ogbuji.net>
Date: Sun, 19 Jul 2009 11:12:17 -0600
Local: Sun, Jul 19 2009 1:12 pm
Subject: Re: xml_select and namespaces
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Yep.  It's is an XPath FAQ.

http://xml3k.org/Amara/FAQ#XPath.28e.g.xmlxpathmethod.29andXSLTpatter...

That recipe I need to update that FAQ for Amara 2, but this should help:

XML = """<?xml version="1.0" encoding="UTF-8"?>
<user xmlns="urn:goonswarm:core:1" id="4514099">
       <api-keys>
               <api-key type="limited" href="
http://localhost:1521/api/1/api-keys/
1/"/>
        </api-keys>
</user>"""

from amara.bindery import parse #Doesn't yet work for non-bindery parse.
We're thinking about this
doc = parse(XML, prefixes={'ns': 'urn:goonswarm:core:1'})
print doc.xml_select(u'ns:user/ns:api-keys/ns:api-key/@href')[0].xml_value

#For non-bindery parse:

from amara import parse
doc = parse(XML)
PREFIXES = {'ns': 'urn:goonswarm:core:1'}
print doc.xml_select(u'ns:user/ns:api-keys/ns:api-key/@href',
prefixes=PREFIXES)[0].xml_value

--
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