Need help in xml

[Kirt]

i have two xml documemts of type

<job>
 <jobname>test</jobname>
 <jobdate>2006-12-12</jobdate>
 <jobtime>12:12:12</jobtime>
 <directory>
  <dirname>/home/</dirname>
      <file>
    <name>test2</name>
    <Modified time>12:12:12</Modified time>
   </file>
  </directory>
 <directory>
  <dirname>/home/test</dirname>
   <file>
    <name>test3</name>
    <Modified time>12:12:12</Modified time>
   </file>
    </directory>
 </job>

i have to compare 2 similar xml document and get the add, changed and
deleted files.and write it into acd.xml file.
can u help me with the python code for this. I am using SAX.