twitter

#!/usr/bin/python

from urllib import urlopen, urlretrieve
import json, os

image_path = "/home/pi/ecsrhino/twoscreens/graphics/twitter"
friends_url = "http://users.ecs.soton.ac.uk/ads04r/opendata/erica_friends.json"
friends_local = "/home/pi/ecsrhino/twoscreens/data/erica_friends.json"

friends_json = urlopen(friends_url)
s = friends_json.read()
friends = json.loads(s)

for friend in friends:
	id = friend['id_num']
	username = friend['id']
	name = friend['name']
	image_url = friend['image']
	parse = image_url.split('.')
	image_format = parse[len(parse) - 1]
	image = image_path + '/' + id + '.' + image_format
	if not(os.path.exists(image)):
		urlretrieve(image_url, image)

f = open(friends_local, 'w')
f.write(s)
f.close()