[Rutube] Add RutubeChannelIE (#1970)

Closes #1966 
Authored by: Ashish0804

yt_dlp/extractor/extractors.py

@@ -1265,6 +1265,7 @@ from .rutube import (
     RutubeMovieIE,
     RutubePersonIE,
     RutubePlaylistIE,
+    RutubeTagsIE,
 )
 from .rutv import RUTVIE
 from .ruutu import RuutuIE

yt_dlp/extractor/rutube.py

@@ -230,9 +230,9 @@ class RutubePlaylistBaseIE(RutubeBaseIE):
         return self._extract_playlist(self._match_id(url))
 
 
-class RutubeChannelIE(RutubePlaylistBaseIE):
-    IE_NAME = 'rutube:channel'
-    IE_DESC = 'Rutube channels'
+class RutubeTagsIE(RutubePlaylistBaseIE):
+    IE_NAME = 'rutube:tags'
+    IE_DESC = 'Rutube tags'
     _VALID_URL = r'https?://rutube\.ru/tags/video/(?P<id>\d+)'
     _TESTS = [{
         'url': 'http://rutube.ru/tags/video/1800/',
@@ -312,3 +312,18 @@ class RutubePlaylistIE(RutubePlaylistBaseIE):
         playlist_kind = qs['pl_type'][0]
         playlist_id = qs['pl_id'][0]
         return self._extract_playlist(playlist_id, item_kind=playlist_kind)
+
+
+class RutubeChannelIE(RutubePlaylistBaseIE):
+    IE_NAME = 'rutube:channel'
+    IE_DESC = 'Rutube channel'
+    _VALID_URL = r'https?://rutube\.ru/channel/(?P<id>\d+)/videos'
+    _TESTS = [{
+        'url': 'https://rutube.ru/channel/639184/videos/',
+        'info_dict': {
+            'id': '639184',
+        },
+        'playlist_mincount': 133,
+    }]
+
+    _PAGE_TEMPLATE = 'http://rutube.ru/api/video/person/%s/?page=%s&format=json'