wikipedia xml to Berkeley DB

I wanna get titles and link to wikipedia English pages from dump data of wikipedia.
This is the code.

#/usr/bin/env python
# -*- coding: utf-8 -*-

### globals
import sys
import re
from bsddb import db
from xml.sax import ContentHandler
from xml.sax import make_parser

class BaseHandler(ContentHandler):
    
    def __init__(self, parser):
        ContentHandler.__init__(self)
        self.db = db.DB()
        self.db.open("test_db", None, db.DB_HASH, db.DB_CREATE)

        self.parser = parser
        self.key_value_map = {}
        
    def setHandlers(self, titleHandler, textHandler):
        self.titleHandler = titleHandler
        self.textHandler = textHandler

    def startElement(self, name, attrs):

        if name == u"title":
            self.parser.setContentHandler(self.titleHandler)
        elif name == u"text":
            self.parser.setContentHandler(self.textHandler)


class TitleHandler(ContentHandler):
    def __init__(self, baseHandler, parser):
        ContentHandler.__init__(self)
        self.baseHandler = baseHandler
        self.parser = parser


    def characters(self, char):
        if char:
            self.baseHandler.key_value_map["title"] = char.encode("utf-8")

    def endElement(self, name):
        if name == u"title":
            #give handler
            self.parser.setContentHandler(self.baseHandler)


class TextHandler(ContentHandler):
    
    def __init__(self, baseHandler, parser):
        ContentHandler.__init__(self)
        self.baseHandler = baseHandler
        self.parser = parser

    def characters(self, char):
        r = re.compile(u"\[\[en:(.*?)\]\]")
        eng = r.findall(char)
        if eng:
            self.baseHandler.key_value_map["en"] = eng[0].encode("utf-8")

    def endElement(self, name):
        if name == u"text":
            self.baseHandler.db.put(self.baseHandler.key_value_map["title"]
                                    , self.baseHandler.key_value_map.get("en", ""))
            print self.baseHandler.key_value_map
            self.parser.setContentHandler(self.baseHandler)
            #initialize the map
            self.baseHandler.key_value_map = {}

if __name__ == "__main__":
    parser = make_parser()
    baseHandler = BaseHandler(parser)
    titleHandler = TitleHandler(baseHandler, parser)
    textHandler = TextHandler(baseHandler, parser)
    baseHandler.setHandlers(titleHandler, textHandler)
    xmlFile = open('jawiki-latest-pages-meta-current.xml', 'r')    
    parser.setContentHandler(baseHandler)
    parser.parse(xmlFile)