Follow and download user's favorites photos on Flickr

!/usr/bin/python

import flickrapi, random, urllib2
useragent = "Mozilla/5.001 (windows; U; NT4.0; en-US; rv:1.0) Gecko/25250101"
api_key = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
flickr = flickrapi.FlickrAPI(api_key)
t_pool = ['0000000']
while True:

   t_id = random.choice(t_pool)
   t_username = flickr.people_getInfo(user_id=t_id)[0].find('username').text
   print '*** id: '+t_id, 'username: '+t_username+' ***'

   t_fav = flickr.favorites_getPublicList(user_id=t_id)

   t_pool = []

   for photo in t_fav[0]:
       #p_id = photo.attrib['id']
       p = flickr.photos_getInfo(photo_id=photo.attrib['id'])
       # http://farm{farm-id}.static.flickr.com/{server-id}/{id}_{secret}.jpg
       href = 'http://farm'+p[0].attrib['farm']+'.static.flickr.com/'+p[0].attrib['server']+'/'+p[0].attrib['id']+'_'+p[0].attrib['secret']+'.jpg'
       request = urllib2.Request(href, None, {'User-Agent': useragent})
       remotefile = urllib2.urlopen(request)
       print 'downloading ' + href
       localfile = open('dump/'+href.split('/')[-1], "wb")
       localfile.write(remotefile.read())
       localfile.close()

       t_pool.append(photo.attrib['owner'])