python用sax 包来解析xml 的问题 请指教 急 多谢

我想用sax包来解析xml, 要求如下:
Python code:

<?xml version="1.0" encoding="UTF-8"?>
<waf>
<policy> acl </policy>
<prot>
<dstip>2.2.2.2</dstip>
<dstip>3.3.3.3</dstip>
<dstport>80</dstport>
<srcip>3.3.3.3</srcip>
<srcport>8888</srcport>
<protocol>17</protocol>
</prot>
<other haha="google.com" test_case_id="1" >
<action>0</action>
<dstip>33333333</dstip>
<res>0</res>
<res a="b" b="2" >0</res>
<res a="c" b="3" c="4" >88</res>
<res a="b" b="2" >0</res>

</other>
<other heihei="google.com" test_case_id2="2" >
<res a="b" b="2" >0</res>
</other>
<other heihei3="baidu.com" test_case_id3="3" >
<res a="c" b="3">88</res>
<dd gg = "pengwei" >wpw</dd>
</other>
<m>
<w>
<dd gg = &qu