python and parsing an xml file

Matt Funk mafunk at nmsu.edu
Mon Feb 21 23:40:59 CET 2011


Hi Stefan,
i don't mean to be annoying so sorry if i am.
According to your instructions i do:

parser = objectify.makeparser(ns_clean=True, remove_comments=True)
root = objectify.parse(inputfile,parser).getroot()
print root.catalog.book.author.text

which still gives the following error:
AttributeError: no such child: catalog

matt



On 2/21/2011 3:28 PM, Stefan Behnel wrote:
> Matt Funk, 21.02.2011 23:07:
>> thank you for your advice.
>> I am running into an issue though (which is likely a newbie problem):
>>
>> My xml file looks like (which i got from the internet):
>> <?xml version="1.0"?>
>> <catalog>
>>     <book id="bk101">
>>        <author>Gambardella, Matthew</author>
>>        <title>XML Developer's Guide</title>
>>        <genre>Computer</genre>
>>        <price>44.95</price>
>>        <publish_date>2000-10-01</publish_date>
>>        <description>An in-depth look at creating applications
>>        with XML.</description>
>>     </book>
>> </catalog>
>>
>> Then i try to access it as:
>>
>> from lxml import etree
>> from lxml import objectify
>>
>> inputfile="../input/books.xml"
>> parser = etree.XMLParser(ns_clean=True)
>> parser = etree.XMLParser(remove_comments=True)
>
> Change that to
>
> parser = objectify.makeparser(ns_clean=True, remove_comments=True)
>
>> root = objectify.parse(inputfile,parser)
>
> Change that to
>
> root = objectify.parse(inputfile,parser).getroot()
>
> Stefan
>




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