from django.conf import settings import json import urllib from os.path import join def get_automation_id_choices(): base_url = getattr(settings, 'AUTOMATION_BASE_URL', None) cache_dir = getattr(settings, 'AUTOMATION_CACHE_DIR', 'cache') cached_shows = join(cache_dir, 'shows.json') shows = [] if base_url: try: shows_json = urllib.urlopen(base_url).read() shows_list = json.loads(shows_json)['shows'] except IOError: try: with open(cached_shows) as cache: shows_list = json.loads(cache.read())['shows'] except IOError: shows_list = [] else: with open(cached_shows, 'w') as cache: cache.write(shows_json) shows = [(s['id'], s['title']) for s in shows_list] return shows