问如何在python中从xml sax解析器中获得结果

EN

<job>
    <title>Registered Nurse-Epilepsy</title>
    <job-code>881723</job-code>
    <detail-url>http://search.careers-hcanorthtexas.com/s/Job-Details/Registered-Nurse-Epilepsy-Job/Medical-City/xjdp-cl289619-jf120-ct2181-jid4041800?s_cid=Advance
    </detail-url>
    <job-category>Neuroscience Nursing</job-category>
    <description>
        <summary>
            <div class='descriptionheader'>Description</div><P STYLE="margin-top:0px;margin-bottom:0px"><SPAN STYLE="font-family:Arial;font-size:small">Utilizing the standards set forth for Nursing Practice by the ANA and ONS, the RN will organize, modify, evaluate, document and maintain the plan of care for Epilepsy and/or Neurological patients. It will include individualized, family centered, holistic, supportive, and safe age-specific care.</SPAN></P><div class='qualificationsheader'>Qualifications</div><UL STYLE="list-style-type:disc"> <LI>Graduate of an accredited school of Professional Nursing.</LI> <LI>BSN preferred </LI> <LI>Current licensure with the Board of Nurse Examiners for the State of Texas</LI> <LI>Experience in Epilepsy Monitoring and/or Neurological background preferred.</LI> <LI>ACLS preferred, within 6 months of hire</LI> <LI>PALS required upon hire</LI> </UL>
       </summary>
    </description>
    <posted-date>2012-07-26</posted-date>
    <location>
       <address>7777 Forest Lane</address>
       <city>Dallas</city>
       <state>TX</state>
       <zip>75230</zip>
       <country>US</country>
    </location>
    <company>
       <name>Medical City (Dallas, TX)</name>
      <url>http://www.hcanorthtexas.com/careers/search-jobs.dot</url>
    </company>
</job> 

from xml.sax.handler import ContentHandler
import xml.sax
import xml.parsers.expat
import ConfigParser

class Exact(xml.sax.handler.ContentHandler):
  def __init__(self):
    self.curpath = []

  def startElement(self, name, attrs):
    print name,attrs
    self.clearFields()


  def endElement(self, name):
    pass

  def characters(self, data):
    self.buffer += data

  def clearFields():
    self.fields = {}
    self.fields['title'] = None
    self.fields['job-code'] = None
    self.fields['detail-url'] = None
    self.fields['job-category'] = None
    self.fields['description'] = None
    self.fields['summary'] = None
    self.fields['posted-date'] = None
    self.fields['location'] = None
    self.fields['address'] = None
    self.fields['city'] = None
    self.fields['state'] = None
    self.fields['zip'] = None
    self.fields['country'] = None
    self.fields['company'] = None
    self.fields['name'] = None
    self.fields['url'] = None
    
    self.buffer = ''
      
if __name__ == '__main__':
  parser = xml.sax.make_parser()
  handler = Exact()
  parser.setContentHandler(handler)
  parser.parse(open('/path/to/xml_file.xml'))

job     <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
title   <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
job-code <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
detail-url <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
job-category <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
description  <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
summary       <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
posted-date   <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
location      <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
address       <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
city          <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
state         <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
zip           <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
country       <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
company       <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
name          <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>
url           <xml.sax.xmlreader.AttributesImpl instance at 0x2c0ba70>