Ubuntu Unity Indicator to show current gbp value in indian rupee (auto-updates every minute)

gbp-inr-indicator.py

#!/usr/bin/env python
# Unity indicator for dolar/real currency
# Author: Caio Almeida <caiosba@gmail.com>
# 05 Jul 2016

import gobject
import gtk
import appindicator
import os, sys
import time
from time import gmtime, strftime
#from BeautifulSoup import BeautifulSoup as bs
from bs4 import BeautifulSoup as bs
import urlparse
import urllib2
from urllib import urlretrieve

if __name__ == "__main__":

    def update(args=None):
      url = 'https://br.investing.com/currencies/gbp-inr'
      soup = bs(urllib2.urlopen(urllib2.Request(url, headers = { 'User-Agent': 'Mozilla/5.0' })), "lxml")
      #value = '1GBP=' + soup.find('span', { 'id' : 'last_last' }).string.replace(',','.')+'INR'
      value = '1'+u"\u00A3"+'='u"\u20B9" + soup.find('span', { 'id' : 'last_last' }).string.replace(',','.')
      ind.set_label(value)
      item.set_label(value)
      return True
    
    icon_image = "/usr/share/unity/icons/refine_gradient_panel_single_column.png"          
    ind = appindicator.Indicator('dollar-real-client', icon_image, appindicator.CATEGORY_APPLICATION_STATUS)
    ind.set_status(appindicator.STATUS_ACTIVE)
    ind.set_label('Updating...')
    menu = gtk.Menu()
    item = gtk.MenuItem('Updating...')    
    item.show()
    menu.append(item)
    ind.set_menu(menu)
    update()
    gtk.timeout_add(60000, update)
    gtk.main()