[youtube] Handle shared URLs with generic extractor (closes #14303)

youtube_dl/extractor/generic.py

@@ -1954,6 +1954,22 @@ class GenericIE(InfoExtractor):
                 'skip_download': True,
             },
             'add_ie': [SpringboardPlatformIE.ie_key()],
+        },
+        {
+            'url': 'https://www.youtube.com/shared?ci=1nEzmT-M4fU',
+            'info_dict': {
+                'id': 'uPDB5I9wfp8',
+                'ext': 'webm',
+                'title': 'Pocoyo: 90 minutos de episódios completos Português para crianças - PARTE 3',
+                'description': 'md5:d9e4d9346a2dfff4c7dc4c8cec0f546d',
+                'upload_date': '20160219',
+                'uploader': 'Pocoyo - Português (BR)',
+                'uploader_id': 'PocoyoBrazil',
+            },
+            'add_ie': [YoutubeIE.ie_key()],
+            'params': {
+                'skip_download': True,
+            },
         }
         # {
         #     # TODO: find another test

youtube_dl/extractor/youtube.py

@@ -2451,7 +2451,7 @@ class YoutubeChannelIE(YoutubePlaylistBaseInfoExtractor):
 
 class YoutubeUserIE(YoutubeChannelIE):
     IE_DESC = 'YouTube.com user videos (URL or "ytuser" keyword)'
-    _VALID_URL = r'(?:(?:https?://(?:\w+\.)?youtube\.com/(?:(?P<user>user|c)/)?(?!(?:attribution_link|watch|results)(?:$|[^a-z_A-Z0-9-])))|ytuser:)(?!feed/)(?P<id>[A-Za-z0-9_-]+)'
+    _VALID_URL = r'(?:(?:https?://(?:\w+\.)?youtube\.com/(?:(?P<user>user|c)/)?(?!(?:attribution_link|watch|results|shared)(?:$|[^a-z_A-Z0-9-])))|ytuser:)(?!feed/)(?P<id>[A-Za-z0-9_-]+)'
     _TEMPLATE_URL = 'https://www.youtube.com/%s/%s/videos'
     IE_NAME = 'youtube:user'