KEGG get target from drug

gettargetdrug_example

#!/usr/bin/python

import urllib2
from HTMLParser import HTMLParser

def getPage(drugId):
    url = "http://www.genome.jp/dbget-bin/get_linkdb?-t+8+dr:"+drugId
    req = urllib2.Request(url)
    response = urllib2.urlopen(req)
    return response.read()


class genome_jp_HTMLParser(HTMLParser):

    def __init__(self):
        HTMLParser.__init__(self)
        self.common_href = "/dbget-bin/www_bget"
        self.hits = 0
        self.info = {}
    
    def handle_starttag(self, tag, attrs):
        if tag == "a":
            attrs = dict(attrs)
            href = attrs.get("href") 
            if href.find(self.common_href) != -1:
                self.hits += 1
        #print "Encountered a start tag:", tag

    def handle_endtag(self, tag):
        pass

    def handle_data(self, data):
        if self.hits == 1:
            self.key = data
            self.hits += 1
        elif self.hits == 2: 
            self.info[self.key] = data.replace(" ","")
            self.hits = 0

    def getResults(self):
        return self.info


data = getPage("D00109")

parser = genome_jp_HTMLParser()
parser.feed(data)
print parser.getResults()