rename southparkstudios.py to southpark.py

And make the extractor only recognize southpark.cc.com urls, the old urls are redirected.

youtube_dl/extractor/__init__.py

@@ -270,8 +270,8 @@ from .soundcloud import (
     SoundcloudPlaylistIE
 )
 from .soundgasm import SoundgasmIE
-from .southparkstudios import (
+from .southpark import (
-    SouthParkStudiosIE,
+    SouthParkIE,
     SouthparkDeIE,
 )
 from .space import SpaceIE

youtube_dl/extractor/southpark.py

@@ -3,14 +3,14 @@ from __future__ import unicode_literals
 from .mtv import MTVServicesInfoExtractor
 
 
-class SouthParkStudiosIE(MTVServicesInfoExtractor):
+class SouthParkIE(MTVServicesInfoExtractor):
-    IE_NAME = 'southparkstudios.com'
+    IE_NAME = 'southpark.cc.com'
-    _VALID_URL = r'https?://(www\.)?(?P<url>(?:southpark\.cc|southparkstudios)\.com/(clips|full-episodes)/(?P<id>.+?)(\?|#|$))'
+    _VALID_URL = r'https?://(www\.)?(?P<url>southpark\.cc\.com/(clips|full-episodes)/(?P<id>.+?)(\?|#|$))'
 
     _FEED_URL = 'http://www.southparkstudios.com/feeds/video-player/mrss'
 
     _TESTS = [{
-        'url': 'http://www.southparkstudios.com/clips/104437/bat-daded#tab=featured',
+        'url': 'http://southpark.cc.com/clips/104437/bat-daded#tab=featured',
         'info_dict': {
             'id': 'a7bff6c2-ed00-11e0-aca6-0026b9414f30',
             'ext': 'mp4',
@@ -20,7 +20,7 @@ class SouthParkStudiosIE(MTVServicesInfoExtractor):
     }]
 
 
-class SouthparkDeIE(SouthParkStudiosIE):
+class SouthparkDeIE(SouthParkIE):
     IE_NAME = 'southpark.de'
     _VALID_URL = r'https?://(www\.)?(?P<url>southpark\.de/(clips|alle-episoden)/(?P<id>.+?)(\?|#|$))'
     _FEED_URL = 'http://www.southpark.de/feeds/video-player/mrss/'