#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from xml.parsers.expat import ParserCreate


class DefaultSaxHandler(object):
    def start_element(self, name, attrs):
        print("sax:start_element: %s, attrs: %s" % (name, str(attrs)))

    def end_element(self, name):
        print("sax:end_element: %s" % name)

    def char_data(self, text):
        print("sax:char_data: %s" % text)


xml = r"""<?xml version="1.0"?>
<ol>
    <li><a href="/python">Python</a></li>
    <li><a href="/ruby">Ruby</a></li>
</ol>
"""

handler = DefaultSaxHandler()
parser = ParserCreate()
parser.StartElementHandler = handler.start_element
parser.EndElementHandler = handler.end_element
parser.CharacterDataHandler = handler.char_data
parser.Parse(xml)