#!/usr/bin/python
import sys
import pprint
import xml.dom.minidom
from xml.dom.minidom import Node

doc = xml.dom.minidom.parse("book.xml")
mapping = {}
for node in doc.getElementsByTagName("book"):
	isbn = node.getAttribute("isbn")
	L = node.getElementsByTagName("title")
	for node2 in L:
		title = ""
		for node3 in node2.childNodes:
			if node3.nodeType == Node.TEXT_NODE:
				title += node3.data
		mapping[isbn] = title;
pprint.pprint(mapping)
sys.exit(0)

<catalog>
	<book isbn="1-56592-724-9">
		<title>The Cathedral & the Bazaar</title>
		<author>Eric S. Raymond</author>
	</book>
	<book isbn="1-56592-051-1">
		<title>Making TeX Work</title>
		<author>Norman Walsh</author>
	</book>
</catalog>