Script to fuck with www.indiangilma.com

#!/usr/bin/python
""" Script to fuck with www.indiangilma.com """
from xml.dom import minidom
import urllib2
import getopt
import sys
import re


class IG:

    def get_xml(self,source):
        """ uses to get the xml source from website """
        file_pointer = urllib2.urlopen(source)
        return file_pointer

    def get_url(self,fp):
        """ gets the url from the xml"""
        try:
            xmldoc = minidom.parse(fp)
            src = xmldoc.getElementsByTagName('src')
        except:
            return 'invalid video key'
        return src[0].firstChild.data

    def get_id(self,url):
        """ Gets the video id from  the url

        Sample url:
        http://www.indiangilma.com/video/1257/mumbai-juhu-beach-teen
        """
        l = url.split('/')
        l.reverse()
        try:
            return l[1]
        except IndexError:
            print "Invalid url"
            usage()

def usage():
    print >>sys.stderr,'Usage: %s [-i video_id][-r video_id_range] [-u video_url] [-f out_file]' % sys.argv[0]
    sys.exit(1)

if __name__ == '__main__':
    if sys.argv[1:] == []:
        usage()
    try:
        opts,args = getopt.getopt(sys.argv[1:],'u:i:r:f:')
    except getopt.GetoptError:
        usage()
    video_id = []
    out_file = None
    obj = IG()
    for o, a in opts:
        if o == '-u':
            match = re.search('^http://|^www.indiangilma.com',a)
            if match == None:
                usage()
            else:
                video_id.append(obj.get_id(a))
        elif o == '-i':
            video_id.append(a)
        elif o == '-r':
            try:
                video_id = range(1,int(a))
            except:
                print "Invalid range"
                usage()
        elif o == '-f':
            out_file  = a

    if out_file:
        outfp = open(out_file,'w')
    for i in video_id:
        source  = 'http://www.indiangilma.com/media/player/config.php?vkey='+str(i)
        fp = obj.get_xml(source)
        durl = obj.get_url(fp)
        print durl
        durl = durl+'\n'
        if durl != "invalid video key\n" and out_file:
            outfp.write(durl)
    if out_file:
        outfp.close()