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$ youtube-dl -v https://www.youtube.com/watch?v=cXNMJ6hV_IQ
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'-v', u'https://www.youtube.com/watch?v=cXNMJ6hV_IQ']
WARNING: No ssl certificates were loaded, urls that use https won't work
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2015.04.03-gentoo_no_offensive_sites
[debug] Python version 2.7.10 - Linux-4.1.12-gentoo-x86_64-Intel-R-_Core-TM-i5-2320_CPU@_3.00GHz-with-gentoo-2.2
[debug] exe versions: ffmpeg 2.8.3, ffprobe 2.8.3
[debug] Proxy map: {}
[youtube] cXNMJ6hV_IQ: Downloading webpage
[youtube] cXNMJ6hV_IQ: Extracting video information
WARNING: unable to extract html5 player; please report this issue on http://yt-dl.org/bug
[youtube] {22} signature length 41.41, html5 player None
ERROR: Signature extraction failed: Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 638, in _decrypt_signature
video_id, player_url, s
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 530, in _extract_signature_function
raise ExtractorError('Cannot identify player %r' % player_url)
ExtractorError: Cannot identify player u'https://s.ytimg.com/yts/jsbin/player-en_US-vflOIF62G/base.js'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
(caused by ExtractorError(u"Cannot identify player u'https://s.ytimg.com/yts/jsbin/player-en_US-vflOIF62G/base.js'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.",)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 638, in _decrypt_signature
video_id, player_url, s
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 530, in _extract_signature_function
raise ExtractorError('Cannot identify player %r' % player_url)
ExtractorError: Cannot identify player u'https://s.ytimg.com/yts/jsbin/player-en_US-vflOIF62G/base.js'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/youtube_dl/YoutubeDL.py", line 651, in extract_info
ie_result = ie.extract(url)
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/common.py", line 275, in extract
return self._real_extract(url)
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 1076, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 648, in _decrypt_signature
'Signature extraction failed: ' + tb, cause=e)
ExtractorError: Signature extraction failed: Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 638, in _decrypt_signature
video_id, player_url, s
File "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 530, in _extract_signature_function
raise ExtractorError('Cannot identify player %r' % player_url)
ExtractorError: Cannot identify player u'https://s.ytimg.com/yts/jsbin/player-en_US-vflOIF62G/base.js'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
(caused by ExtractorError(u"Cannot identify player u'https://s.ytimg.com/yts/jsbin/player-en_US-vflOIF62G/base.js'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.",)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
$ youtube-dl --version
2015.04.03-gentoo_no_offensive_sites