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[youtube] Clarify rationale for preferring a video info with token (#7362)

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This commit is contained in:
Sergey M․ 2015-11-04 22:49:23 +06:00
parent 44b2264fea
commit 89ea063eeb
1 changed files with 9 additions and 0 deletions
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youtube_dl/extractor/youtube.py
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@ -1107,6 +1107,15 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
if not video_info: if not video_info:
video_info = get_video_info video_info = get_video_info
if 'token' in get_video_info: if 'token' in get_video_info:
# Different get_video_info requests may report different results, e.g.
# some may report video unavailability, but some may serve it without
# any complaint (see https://github.com/rg3/youtube-dl/issues/7362,
# the original webpage as well as el=info and el=embedded get_video_info
# requests report video unavailability due to geo restriction while
# el=detailpage succeeds and returns valid data). This is probably
# due to YouTube measures against IP ranges of hosting providers.
# Working around by preferring the first succeeded video_info containing
# the token if no such video_info yet was found.
if 'token' not in video_info: if 'token' not in video_info:
video_info = get_video_info video_info = get_video_info
break break