[vube] Add DMCA notice

youtube_dl/extractor/vube.py

@@ -6,6 +6,7 @@
 from ..utils import (
     int_or_none,
     compat_str,
+    ExtractorError,
 )
 
 
@@ -102,6 +103,11 @@ def _real_extract(self, url):
 
         self._sort_formats(formats)
 
+        if not formats and video.get('vst') == 'dmca':
+            raise ExtractorError(
+                'This video has been removed in response to a complaint received under the US Digital Millennium Copyright Act.',
+                expected=True)
+
         title = video['title']
         description = video.get('description')
         thumbnail = self._proto_relative_url(video.get('thumbnail_src'), scheme='http:')