def _get_podcasts(self, *args, **options):
if options.get('toplist'):
yield self.get_toplist()
if options.get('new'):
yield self.get_podcast_with_new_episodes()
if options.get('random'):
yield Podcast.random()
get_podcast = lambda url: Podcast.for_url(url, create=True)
yield map(get_podcast, args)
if not args and not options.get('toplist') and not options.get('new') \
and not options.get('random'):
yield Podcast.by_last_update()
def get_random_picks(languages=None):
""" Returns random podcasts for the given language """
languages = languages or [""]
# get one iterator for each language
rand_iters = [Podcast.random(lang) for lang in languages]
# cycle through them, removing those that don't yield any more results
while rand_iters:
rand_iter = rand_iters.pop(0)
try:
podcast = next(rand_iter)
rand_iters.append(rand_iter)
yield podcast
except StopIteration:
# don't re-add rand_iter
pass
