BrightcoveIE: add support for playlists

youtube_dl/extractor/brightcove.py

@@ -8,8 +8,9 @@ from ..utils import (
 )
 
 class BrightcoveIE(InfoExtractor):
-    _VALID_URL = r'http://.*brightcove\.com/.*\?(?P<query>.*videoPlayer=(?P<id>\d*).*)'
+    _VALID_URL = r'https?://.*brightcove\.com/(services|viewer).*\?(?P<query>.*)'
     _FEDERATED_URL_TEMPLATE = 'http://c.brightcove.com/services/viewer/htmlFederated?%s'
+    _PLAYLIST_URL_TEMPLATE = 'http://c.brightcove.com/services/json/experience/runtime/?command=get_programming_for_experience&playerKey=%s'
     
     # There is a test for Brigtcove in GenericIE, that way we test both the download
     # and the detection of videos, and we don't have to find an URL that is always valid
@@ -24,20 +25,30 @@ class BrightcoveIE(InfoExtractor):
         assert object_doc.attrib['class'] == u'BrightcoveExperience'
         params = {'flashID': object_doc.attrib['id'],
                   'playerID': object_doc.find('./param[@name="playerID"]').attrib['value'],
-                  '@videoPlayer': object_doc.find('./param[@name="@videoPlayer"]').attrib['value'],
                   }
         playerKey = object_doc.find('./param[@name="playerKey"]')
         # Not all pages define this value
         if playerKey is not None:
             params['playerKey'] = playerKey.attrib['value']
+        videoPlayer = object_doc.find('./param[@name="@videoPlayer"]')
+        if videoPlayer is not None:
+            params['@videoPlayer'] = videoPlayer.attrib['value']
         data = compat_urllib_parse.urlencode(params)
         return cls._FEDERATED_URL_TEMPLATE % data
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
         query = mobj.group('query')
-        video_id = mobj.group('id')
 
+        m_video_id = re.search(r'videoPlayer=(\d+)', query)
+        if m_video_id is not None:
+            video_id = m_video_id.group(1)
+            return self._get_video_info(video_id, query)
+        else:
+            player_key = self._search_regex(r'playerKey=(.+?)(&|$)', query, 'playlist_id')
+            return self._get_playlist_info(player_key)
+
+    def _get_video_info(self, video_id, query):
         request_url = self._FEDERATED_URL_TEMPLATE % query
         webpage = self._download_webpage(request_url, video_id)
 
@@ -45,11 +56,25 @@ class BrightcoveIE(InfoExtractor):
         info = self._search_regex(r'var experienceJSON = ({.*?});', webpage, 'json')
         info = json.loads(info)['data']
         video_info = info['programmedContent']['videoPlayer']['mediaDTO']
+
+        return self._extract_video_info(video_info)
+
+    def _get_playlist_info(self, player_key):
+        playlist_info = self._download_webpage(self._PLAYLIST_URL_TEMPLATE % player_key,
+                                               player_key, u'Downloading playlist information')
+
+        playlist_info = json.loads(playlist_info)['videoList']
+        videos = [self._extract_video_info(video_info) for video_info in playlist_info['mediaCollectionDTO']['videoDTOs']]
+
+        return self.playlist_result(videos, playlist_id=playlist_info['id'],
+                                    playlist_title=playlist_info['mediaCollectionDTO']['displayName'])
+
+    def _extract_video_info(self, video_info):
         renditions = video_info['renditions']
         renditions = sorted(renditions, key=lambda r: r['size'])
         best_format = renditions[-1]
-        
-        return {'id': video_id,
+
+        return {'id': video_info['id'],
                 'title': video_info['displayName'],
                 'url': best_format['defaultURL'], 
                 'ext': 'mp4',