mygpo/data/youtube.py

   1 #!/usr/bin/python
   2 # -*- coding: utf-8 -*-
   3
   4 # taken from gPodder :)
   5
   6 import re
   7 import urllib.request, urllib.parse, urllib.error
   8
   9 def is_video_link(url):
  10     return (get_youtube_id(url) is not None)
  11
  12 def get_youtube_id(url):
  13     if url is None:
  14         return None
  15
  16     r = re.compile('http://(?:[a-z]+\.)?youtube\.com/v/(.*)\.swf', re.IGNORECASE).match(url)
  17     if r is not None:
  18         return r.group(1)
  19
  20     r = re.compile('http://(?:[a-z]+\.)?youtube\.com/watch\?v=([^&]*)', re.IGNORECASE).match(url)
  21     if r is not None:
  22         return r.group(1)
  23
  24     return None
  25
  26
  27 def get_real_cover(url):
  28     rs = [re.compile('http://www\\.youtube\\.com/rss/user/([^/]+)/videos\\.rss',  re.IGNORECASE),
  29           re.compile('http://www\\.youtube\\.com/profile_videos\\?user=([^\&]+)', re.IGNORECASE)]
  30
  31     for r in rs:
  32         m = r.match(url)
  33         if m is None:
  34             continue
  35         username = m.group(1)
  36         api_url = 'http://gdata.youtube.com/feeds/api/users/%s?v=2' % username
  37         data = urllib.request.urlopen(api_url).read()
  38         match = re.search('<media:thumbnail url=[\'"]([^\'"]+)[\'"]/>', data)
  39         if match is not None:
  40             return match.group(1)
  41
  42     return None