[youtube]: add YoutubeShowIE (closes #14)

It just extracts the playlists urls for each season

2 files changed, 15 insertions, 1 deletions

diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py
index ba0e86713..ac2e5f0e7 100644
--- a/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@ -67,7 +67,7 @@ from .yahoo import YahooIE, YahooSearchIE
 from .youjizz import YouJizzIE
 from .youku import YoukuIE
 from .youporn import YouPornIE
-from .youtube import YoutubeIE, YoutubePlaylistIE, YoutubeSearchIE, YoutubeUserIE, YoutubeChannelIE
+from .youtube import YoutubeIE, YoutubePlaylistIE, YoutubeSearchIE, YoutubeUserIE, YoutubeChannelIE, YoutubeShowIE
 from .zdf import ZDFIE
 
 
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 6782bbff6..76b297ea5 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -853,3 +853,17 @@ class YoutubeSearchIE(SearchInfoExtractor):
             video_ids = video_ids[:n]
         videos = [self.url_result('http://www.youtube.com/watch?v=%s' % id, 'Youtube') for id in video_ids]
         return self.playlist_result(videos, query)
+
+
+class YoutubeShowIE(InfoExtractor):
+    _VALID_URL = r'https?://www\.youtube\.com/show/(.*)'
+    IE_NAME = u'youtube:show'
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        show_name = mobj.group(1)
+        webpage = self._download_webpage(url, show_name, u'Downloading show webpage')
+        # There's one playlist for each season of the show
+        m_seasons = list(re.finditer(r'href="(/playlist\?list=.*?)"', webpage))
+        self.to_screen(u'%s: Found %s seasons' % (show_name, len(m_seasons)))
+        return [self.url_result('https://www.youtube.com' + season.group(1), 'YoutubePlaylist') for season in m_seasons]