Modern Python Standard Library Cookbook

How to do it...

You need to perform the following steps for this recipe:

1. ElementTree by default uses expat to parse documents, and then relies on xml.etree.ElementTree.TreeBuilder to build the DOM of the document.

We can replace XMLParser based on expat with our own parser based on HTMLParser and have TreeBuilder rely on it:

import xml.etree.ElementTree as ET
from html.parser import HTMLParser


class ETHTMLParser(HTMLParser):
    SELF_CLOSING = {'br', 'img', 'area', 'base', 'col', 'command',                        'embed', 'hr', 'input', 'keygen', 'link',  'menuitem', 'meta', 'param', 'source', 'track', 'wbr'} def __init__(self, *args, **kwargs): super(ETHTMLParser, self).__init__(*args, **kwargs) self._builder = ET.TreeBuilder() self._stack = [] @property def _last_tag(self): ...