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Python 3: An interactive deep dive

Parsing XML

We'll cover the following...

Python can parse XML documents in several ways. It has traditional DOM and SAX parsers, but I will focus on a different library called ElementTree.

Python 3.5
import xml.etree.ElementTree as etree    #①
tree = etree.parse('feed.xml')           #②
root = tree.getroot()                    #③
root                                     #④
#<Element {http://www.w3.org/2005/Atom}feed at cd1eb0>

① The ElementTree library is part of the Python standard library, in xml.etree.ElementTree.

② The primary entry point for the ElementTree library is the parse() function, which can take a filename or a file-like object. This function parses the entire document at once. If memory is tight, there are ways to parse an xml ...