[lxml-dev] iterparse and namespaces

[J. Cliff Dyer]

On Tue, 2009-03-17 at 14:59 +0000, Piotr Furman wrote:
> <jholg <at> gmx.de> writes:
> > Is there a usecase for "give me every element x from whatever namespace"?
> > 
> > Holger
> 
> Thanks for answer, my use case is that I have a xml file with only one namespace
> defined in root. I guess that if there were more namespaces in one file it
> wouldn't make sense, but as long as it's only one I just don't care about that
> and would have all specified elements.
> 
> So I have at least two choices, either remove xmlns from files, or iterate over
> all elements and filter out those I don't need.
> 
> PF
> 

If your concern is that the namespaces are unwieldy, you can also
declare them so that you can use a more readable prefix.

For example (taken from live code):


ns = { 
    'mets': 'http://www.loc.gov/METS/',
    'mods': 'http://www.loc.gov/mods/v3',
}

timestamp_set =
excerpt_filestruct.xpath('mets:fptr[@FILEID="DIGITAL_ACCESS_COPY"]/mets:area', namespaces=ns)

Cheers,
Cliff


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