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Dealing with xml namespaces with ElementTree

 
 
Neil Cerutti
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      01-21-2011
I have to parse many xml documents that senselessly(?) specify a
single namespace for the whole document. After a couple of years,
my approach has boiled down to the following three little
helpers, for use with ElementTree:

def insert_namespace(xpath):
# Enable *simple* xpath searches by inserting the fscking namespace.
return '/'.join('{{{}}}{}'.format(XMLNS, n) for n in xpath.split('/'))

def find(et, xpath):
return et.find(insert_namespace(xpath))

def findall(et, xpath):
return et.findall(insert_namespace(xpath))

Instead of writing, e.g.,
et.find('{{0}}ab/{{0}}cd'.format(XMLNS), et al, I can use
find(et, 'ab/cd').

Is there a better ElemenTree based approach I'm missing out on?
And on the other hand, am I circumventing something important, or
inviting bad limitations of some kind?

--
Neil Cerutti
 
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