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Asked: 2026-05-15T17:52:48+00:00

I parse in the XML using from lxml import etree tree = etree.parse(‘test.xml’, etree.XMLParser())

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I parse in the XML using

from lxml import etree

tree = etree.parse('test.xml', etree.XMLParser())

Now I want to work on the parsed XML. I’m having trouble removing elements with namespaces or just elements in general such as

<rdf:description><dc:title>Example</dc:title></rdf:description>

and I want to remove that entire element as well as everything within the tags. I also want to add attributes to existing elements as well. The methods I need are in the Element class but I have no idea how to use that with the ElementTree object here. Any pointers would definitely be appreciated, thanks

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1 Answer

  1. Editorial Team

    You can get to the root element via this call: root=tree.getroot()

    Using that root element, you can use findall() and remove elements that match your criteria:

    deleteThese = root.findall("title")
for element in deleteThese: root.remove(element)

    Finally, you can see what your new tree looks like with this: etree.tostring(root, pretty_print=True)

    Here is some info about how find/findall work:
    http://infohost.nmt.edu/tcc/help/pubs/pylxml/class-ElementTree.html#ElementTree-find

    To add an attribute to an element, try something like this:

    root.attrib['myNewAttribute']='hello world'
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