+
+
+class YoutubeSubscriptionsIE(YoutubeIE):
+ """It's a subclass of YoutubeIE because we need to login"""
+ IE_DESC = u'YouTube.com subscriptions feed, "ytsubs" keyword(requires authentication)'
+ _VALID_URL = r'https?://www\.youtube\.com/feed/subscriptions|:ytsubs(?:criptions)?'
+ IE_NAME = u'youtube:subscriptions'
+ _FEED_TEMPLATE = 'http://www.youtube.com/feed_ajax?action_load_system_feed=1&feed_name=subscriptions&paging=%s'
+ _PAGING_STEP = 30
+
+ # Overwrite YoutubeIE properties we don't want
+ _TESTS = []
+ @classmethod
+ def suitable(cls, url):
+ return re.match(cls._VALID_URL, url) is not None
+
+ def _real_initialize(self):
+ (username, password) = self._get_login_info()
+ if username is None:
+ raise ExtractorError(u'No login info available, needed for downloading the Youtube subscriptions.', expected=True)
+ super(YoutubeSubscriptionsIE, self)._real_initialize()
+
+ def _real_extract(self, url):
+ feed_entries = []
+ # The step argument is available only in 2.7 or higher
+ for i in itertools.count(0):
+ paging = i*self._PAGING_STEP
+ info = self._download_webpage(self._FEED_TEMPLATE % paging, 'feed',
+ u'Downloading page %s' % i)
+ info = json.loads(info)
+ feed_html = info['feed_html']
+ m_ids = re.finditer(r'"/watch\?v=(.*?)"', feed_html)
+ ids = orderedSet(m.group(1) for m in m_ids)
+ feed_entries.extend(self.url_result(id, 'Youtube') for id in ids)
+ if info['paging'] is None:
+ break
+ return self.playlist_result(feed_entries, playlist_title='Youtube Subscriptions')