Merge remote-tracking branch 'jaimeMF/yt-playlists'
[youtube-dl] / youtube_dl / extractor / youtube.py
index 8c0e6f2520e02e5d34a24f01a20637ea4a90a6f9..9b09793eb307b4ca899942e57cfa3dda88ec5caa 100644 (file)
@@ -139,10 +139,10 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
 
 class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
     IE_DESC = u'YouTube.com'
-    _VALID_URL = r"""^
+    _VALID_URL = r"""(?x)^
                      (
-                         (?:https?://)?                                       # http(s):// (optional)
-                         (?:(?:(?:(?:\w+\.)?youtube(?:-nocookie)?\.com/|
+                         (?:https?://|//)?                                    # http(s):// or protocol-independent URL (optional)
+                         (?:(?:(?:(?:\w+\.)?[yY][oO][uU][tT][uU][bB][eE](?:-nocookie)?\.com/|
                             tube\.majestyc\.net/|
                             youtube\.googleapis\.com/)                        # the various hostnames, with wildcard subdomains
                          (?:.*?\#/)?                                          # handle anchor (#/) redirect urls
@@ -363,6 +363,18 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
                 u"uploader_id": u"justintimberlakeVEVO"
             }
         },
+        {
+            u"url":  u"//www.YouTube.com/watch?v=yZIXLfi8CZQ",
+            u"file":  u"yZIXLfi8CZQ.mp4",
+            u"note": u"Embed-only video (#1746)",
+            u"info_dict": {
+                u"upload_date": u"20120608",
+                u"title": u"Principal Sexually Assaults A Teacher - Episode 117 - 8th June 2012",
+                u"description": u"md5:09b78bd971f1e3e289601dfba15ca4f7",
+                u"uploader": u"SET India",
+                u"uploader_id": u"setindia"
+            }
+        },
     ]
 
 
@@ -370,7 +382,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
     def suitable(cls, url):
         """Receives a URL and returns True if suitable for this IE."""
         if YoutubePlaylistIE.suitable(url): return False
-        return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
+        return re.match(cls._VALID_URL, url) is not None
 
     def __init__(self, *args, **kwargs):
         super(YoutubeIE, self).__init__(*args, **kwargs)
@@ -1272,7 +1284,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
             # We simulate the access to the video from www.youtube.com/v/{video_id}
             # this can be viewed without login into Youtube
             data = compat_urllib_parse.urlencode({'video_id': video_id,
-                                                  'el': 'embedded',
+                                                  'el': 'player_embedded',
                                                   'gl': 'US',
                                                   'hl': 'en',
                                                   'eurl': 'https://youtube.googleapis.com/v/' + video_id,
@@ -1301,6 +1313,11 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
             else:
                 raise ExtractorError(u'"token" parameter not in video info for unknown reason')
 
+        if 'view_count' in video_info:
+            view_count = int(video_info['view_count'][0])
+        else:
+            view_count = None
+
         # Check for "rental" videos
         if 'ypc_video_rental_bar_text' in video_info and 'author' not in video_info:
             raise ExtractorError(u'"rental" videos not supported')
@@ -1489,10 +1506,11 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
                 'age_limit':    18 if age_gate else 0,
                 'annotations':  video_annotations,
                 'webpage_url': 'https://www.youtube.com/watch?v=%s' % video_id,
+                'view_count': view_count,
             })
         return results
 
-class YoutubePlaylistIE(InfoExtractor):
+class YoutubePlaylistIE(YoutubeBaseInfoExtractor):
     IE_DESC = u'YouTube.com playlists'
     _VALID_URL = r"""(?:
                         (?:https?://)?
@@ -1508,8 +1526,9 @@ class YoutubePlaylistIE(InfoExtractor):
                      |
                         ((?:PL|EC|UU|FL)[0-9A-Za-z-_]{10,})
                      )"""
-    _TEMPLATE_URL = 'https://gdata.youtube.com/feeds/api/playlists/%s?max-results=%i&start-index=%i&v=2&alt=json&safeSearch=none'
-    _MAX_RESULTS = 50
+    _TEMPLATE_URL = 'https://www.youtube.com/playlist?list=%s&page=%s'
+    _MORE_PAGES_INDICATOR = r'data-link-type="next"'
+    _VIDEO_RE = r'href="/watch\?v=([0-9A-Za-z_-]{11})&'
     IE_NAME = u'youtube:playlist'
 
     @classmethod
@@ -1517,6 +1536,9 @@ class YoutubePlaylistIE(InfoExtractor):
         """Receives a URL and returns True if suitable for this IE."""
         return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
 
+    def _real_initialize(self):
+        self._login()
+
     def _real_extract(self, url):
         # Extract playlist id
         mobj = re.match(self._VALID_URL, url, re.VERBOSE)
@@ -1534,41 +1556,23 @@ class YoutubePlaylistIE(InfoExtractor):
             else:
                 self.to_screen(u'Downloading playlist PL%s - add --no-playlist to just download video %s' % (playlist_id, video_id))
 
-        # Download playlist videos from API
-        videos = []
+        # Extract the video ids from the playlist pages
+        ids = []
 
         for page_num in itertools.count(1):
-            start_index = self._MAX_RESULTS * (page_num - 1) + 1
-            if start_index >= 1000:
-                self._downloader.report_warning(u'Max number of results reached')
-                break
-            url = self._TEMPLATE_URL % (playlist_id, self._MAX_RESULTS, start_index)
+            url = self._TEMPLATE_URL % (playlist_id, page_num)
             page = self._download_webpage(url, playlist_id, u'Downloading page #%s' % page_num)
+            # The ids are duplicated
+            new_ids = orderedSet(re.findall(self._VIDEO_RE, page))
+            ids.extend(new_ids)
 
-            try:
-                response = json.loads(page)
-            except ValueError as err:
-                raise ExtractorError(u'Invalid JSON in API response: ' + compat_str(err))
-
-            if 'feed' not in response:
-                raise ExtractorError(u'Got a malformed response from YouTube API')
-            playlist_title = response['feed']['title']['$t']
-            if 'entry' not in response['feed']:
-                # Number of videos is a multiple of self._MAX_RESULTS
+            if re.search(self._MORE_PAGES_INDICATOR, page) is None:
                 break
 
-            for entry in response['feed']['entry']:
-                index = entry['yt$position']['$t']
-                if 'media$group' in entry and 'yt$videoid' in entry['media$group']:
-                    videos.append((
-                        index,
-                        'https://www.youtube.com/watch?v=' + entry['media$group']['yt$videoid']['$t']
-                    ))
-
-        videos = [v[1] for v in sorted(videos)]
+        playlist_title = self._og_search_title(page)
 
-        url_results = [self.url_result(vurl, 'Youtube') for vurl in videos]
-        return [self.playlist_result(url_results, playlist_id, playlist_title)]
+        url_results = [self.url_result(vid, 'Youtube') for vid in ids]
+        return self.playlist_result(url_results, playlist_id, playlist_title)
 
 
 class YoutubeChannelIE(InfoExtractor):