Signature extraction failed: Traceback

[Feche]

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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2019.01.16. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• [ x] I've verified and I assure that I'm running youtube-dl 2019.01.16

Before submitting an issue make sure you have:

• [ x] At least skimmed through the README, most notably the FAQ and BUGS sections
• [x ] Searched the bugtracker for similar issues including closed ones
• [x ] Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

What is the purpose of your issue?

• [ x] Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
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user@eru1:~# youtube-dl -f 250 --verbose --output "/var/www/html/c7Dwu7KFCFNgyW/song.%(ext)s" https://www.youtube.com/watch?v=dSJ9o3uaxVM
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-f', u'250', u'--verbose', u'--output', u'/var/www/html/c7Dwu7KFCFNgyW/song.%(ext)s', u'https://www.youtube.com/watch?v=dSJ9o3uaxVM']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.01.16
[debug] Python version 2.7.6 (CPython) - Linux-3.13.0-164-generic-x86_64-with-Ubuntu-14.04-trusty
[debug] exe versions: ffmpeg 3.4, ffprobe 3.4
[debug] Proxy map: {}
[youtube] dSJ9o3uaxVM: Downloading webpage
[youtube] dSJ9o3uaxVM: Downloading video info webpage
[youtube] {18} signature length 43.40, html5 player vflxwIF7f
[youtube] dSJ9o3uaxVM: Downloading player https://www.youtube.com/yts/jsbin/player_ias-vflxwIF7f/en_US/base.js
ERROR: Signature extraction failed: Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1232, in _decrypt_signature
video_id, player_url, s
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1140, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1207, in _parse_sig_js
initial_function = jsi.extract_function(funcname)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 245, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)
ExtractorError: Could not find JS function u'encodeURIComponent'; 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 ExtractorError(u"Could not find JS function u'encodeURIComponent'; 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/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1232, in _decrypt_signature
video_id, player_url, s
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1140, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1207, in _parse_sig_js
initial_function = jsi.extract_function(funcname)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 245, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)
ExtractorError: Could not find JS function u'encodeURIComponent'; 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/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 793, in extract_info
ie_result = ie.extract(url)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 508, in extract
ie_result = self._real_extract(url)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1888, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1242, in _decrypt_signature
'Signature extraction failed: ' + tb, cause=e)
ExtractorError: Signature extraction failed: Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1232, in _decrypt_signature
video_id, player_url, s
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1140, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1207, in _parse_sig_js
initial_function = jsi.extract_function(funcname)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 245, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)
ExtractorError: Could not find JS function u'encodeURIComponent'; 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 ExtractorError(u"Could not find JS function u'encodeURIComponent'; 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.

The video is not downloading, I updated to latest version and also reebooted the PC just in case

[cmosetick]

Looks like I'm seeing the same thing with 2019.01.16.

youtube-dl --verbose https://www.youtube.com/watch\?v\=wiUwlcJTDV0
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'--verbose', u'https://www.youtube.com/watch?v=wiUwlcJTDV0']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.01.16
[debug] Python version 2.7.10 (CPython) - Darwin-18.2.0-x86_64-i386-64bit
[debug] exe versions: none
[debug] Proxy map: {}
[youtube] wiUwlcJTDV0: Downloading webpage
[youtube] wiUwlcJTDV0: Downloading video info webpage
[youtube] {18} signature length 43.40, html5 player vflxwIF7f
[youtube] wiUwlcJTDV0: Downloading player https://www.youtube.com/yts/jsbin/player_ias-vflxwIF7f/en_US/base.js
ERROR: Signature extraction failed: Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1232, in _decrypt_signature
    video_id, player_url, s
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1140, in _extract_signature_function
    res = self._parse_sig_js(code)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1207, in _parse_sig_js
    initial_function = jsi.extract_function(funcname)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 245, in extract_function
    raise ExtractorError('Could not find JS function %r' % funcname)
ExtractorError: Could not find JS function u'encodeURIComponent'; 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 ExtractorError(u"Could not find JS function u'encodeURIComponent'; 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/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1232, in _decrypt_signature
    video_id, player_url, s
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1140, in _extract_signature_function
    res = self._parse_sig_js(code)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1207, in _parse_sig_js
    initial_function = jsi.extract_function(funcname)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 245, in extract_function
    raise ExtractorError('Could not find JS function %r' % funcname)
ExtractorError: Could not find JS function u'encodeURIComponent'; 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/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 793, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 508, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1888, in _real_extract
    encrypted_sig, video_id, player_url, age_gate)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1242, in _decrypt_signature
    'Signature extraction failed: ' + tb, cause=e)
ExtractorError: Signature extraction failed: Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1232, in _decrypt_signature
    video_id, player_url, s
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1140, in _extract_signature_function
    res = self._parse_sig_js(code)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1207, in _parse_sig_js
    initial_function = jsi.extract_function(funcname)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 245, in extract_function
    raise ExtractorError('Could not find JS function %r' % funcname)
ExtractorError: Could not find JS function u'encodeURIComponent'; 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 ExtractorError(u"Could not find JS function u'encodeURIComponent'

[Feche]

It's not working for certain videos, for example this one works fine:

https://www.youtube.com/watch?v=wAulO1aIDJM

Alto tested on Windows and I have the same results (some videos works, others don't)
Perhaps Google is ATM making changes?

[carlbennett]

@Feche failed this step:

Searched the bugtracker for similar issues including closed ones

#18873