RegexNotFoundError: Unable to extract Initial JS player signature function name

[mcepl]

matej@mitmanek: ~$ youtube-dl --verbose 'https://www.youtube.com/watch?v=kR1KYppGN5I'
[debug] System config: ['--prefer-free-formats']
[debug] User config: []
[debug] Command-line args: ['--verbose', 'https://www.youtube.com/watch?v=kR1KYppGN5I']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2015.01.11
[debug] Python version 2.7.5 - Linux-3.10.0-210.el7.x86_64-x86_64-with-redhat-7.1-Maipo
[debug] exe versions: ffmpeg 2.3.4, ffprobe 2.3.4, rtmpdump 2.4
[debug] Proxy map: {}
[youtube] kR1KYppGN5I: Downloading webpage
[youtube] kR1KYppGN5I: Extracting video information
[youtube] {43} signature length 45.40, html5 player en_US-vfl86Quee
[youtube] kR1KYppGN5I: Downloading js player en_US-vfl86Quee
ERROR: Signature extraction failed: Traceback (most recent call last):
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 617, in _decrypt_signature
    video_id, player_url, s
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 531, in _extract_signature_function
    res = self._parse_sig_js(code)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 592, in _parse_sig_js
    'Initial JS player signature function name')
  File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 516, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
 (caused by RegexNotFoundError(u'Unable to extract \x1b[0;34mInitial JS player signature function name\x1b[0m; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  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; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 617, in _decrypt_signature
    video_id, player_url, s
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 531, in _extract_signature_function
    res = self._parse_sig_js(code)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 592, in _parse_sig_js
    'Initial JS player signature function name')
  File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 516, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 600, in extract_info
    ie_result = ie.extract(url)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 260, in extract
    return self._real_extract(url)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1035, in _real_extract
    encrypted_sig, video_id, player_url, age_gate)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 627, in _decrypt_signature
    'Signature extraction failed: ' + tb, cause=e)
ExtractorError: Signature extraction failed: Traceback (most recent call last):
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 617, in _decrypt_signature
    video_id, player_url, s
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 531, in _extract_signature_function
    res = self._parse_sig_js(code)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 592, in _parse_sig_js
    'Initial JS player signature function name')
  File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 516, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
 (caused by RegexNotFoundError(u'Unable to extract \x1b[0;34mInitial JS player signature function name\x1b[0m; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  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; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

matej@mitmanek: ~$

[phihag]

This should be fixed in youtube-dl 2015.01.15.1 or newer. See our FAQ if you need help updating.

[mcepl]

See our FAQ if you need help updating.

I hope I can manage :) http://koji.fedoraproject.org/koji/buildinfo?buildID=604278

[mcepl]

Thanks, 2015.01.15.1 works.