Extends xml.sax.handler.ContentHandler : ContentHandler « XML « Python Tutorial

1. Python Tutorial
2. XML
3. ContentHandler

import xml.sax.handler

class BookHandler(xml.sax.handler.ContentHandler):
  def __init__(self):
    self.inTitle = 0
    self.mapping = {}

  def startElement(self, name, attributes):
    if name == "book":
      self.buffer = ""
      self.isbn = attributes["isbn"]
    elif name == "title":
      self.inTitle = 1

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

  def endElement(self, name):
    if name == "title":
      self.inTitle = 0
      self.mapping[self.isbn] = self.buffer