pod.py

   1 #!/usr/bin/env python
   2 from __future__ import with_statement
   3
   4 class Feed:
   5     def __init__(self, url):
   6         self.url = url
   7     def is_updated(self):
   8         return True
   9     def get_new_episodes(self):
  10         return ['foo', 'bar']
  11
  12 def get_subscribed_feeds():
  13     with open("feeds.lst","r") as f:
  14         urls = f.readlines()
  15     for url in urls:
  16         yield Feed(url)
  17
  18 def get_updated_feeds():
  19     for feed in get_subscribed_feeds():
  20         if feed.is_updated():
  21             yield feed
  22
  23 def download_episode(url):
  24     print "Download", url
  25
  26 dl_queue = []
  27
  28 for feed in get_updated_feeds():
  29     for url in feed.get_new_episodes():
  30         dl_queue.append(url)
  31     # update feed watermark
  32
  33 file_manager = []
  34
  35 for url in dl_queue:
  36     if download_episode(url):
  37         dl_queue.remove(url)
  38         file_manager.append(url)
  39
  40 # file_manager.expire_and_prune()
  41
  42