What are XML namespaces? A colon (:) in a tag or attribute name means that the element or attribute is in an XML namespace. Namespaces are a way of combining different XML formats / standards in one document, and keeping track of which names come from which format. The colon, and the part before it, … Read more
You need to give the .find(), findall() and iterfind() methods an explicit namespace dictionary: namespaces = {‘owl’: ‘http://www.w3.org/2002/07/owl#’} # add more as needed root.findall(‘owl:Class’, namespaces) Prefixes are only looked up in the namespaces parameter you pass in. This means you can use any namespace prefix you like; the API splits off the owl: part, looks … Read more
Defining namespaces in XPath (recommended) XPath itself doesn’t have a way to bind a namespace prefix with a namespace. Such facilities are provided by the hosting library. It is recommended that you use those facilities and define namespace prefixes that can then be used to qualify XML element and attribute names as necessary. Here are … Read more