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-rw-r--r--youtube_dl/extractor/youtube.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 175763309..6deb56447 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -1805,7 +1805,10 @@ class YoutubeFavouritesIE(YoutubeBaseInfoExtractor):
class YoutubeTruncatedURLIE(InfoExtractor):
IE_NAME = 'youtube:truncated_url'
IE_DESC = False # Do not list
- _VALID_URL = r'(?:https?://)?[^/]+/watch\?feature=[a-z_]+$'
+ _VALID_URL = r'''(?x)
+ (?:https?://)?[^/]+/watch\?feature=[a-z_]+$|
+ (?:https?://)?(?:www\.)?youtube\.com/attribution_link\?a=[^&]+$
+ '''
def _real_extract(self, url):
raise ExtractorError(