reg.py

#!/usr/bin/env python
#coding=utf-8

# 解析xml
from xml.parsers.expat import ParserCreate
class DefaultSaxHandle(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=DefaultSaxHandle()
parser=ParserCreate()
parser.returns_unicode=True
parser.StartElementHandler=handler.start_element
parser.EndElementHandler=handler.end_element
parser.CharacterDataHandler=handler.char_data
parser.Parse(xml)