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[Youtube] Unsupported JS expression '[function(c,d){d=(d'; #23819

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baptistegasser opened this issue Jan 23, 2020 · 2 comments
Closed

[Youtube] Unsupported JS expression '[function(c,d){d=(d'; #23819

baptistegasser opened this issue Jan 23, 2020 · 2 comments

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@baptistegasser
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@baptistegasser baptistegasser commented Jan 23, 2020 •
edited

Checklist

  • I'm reporting a broken site support
  • I've verified that I'm running youtube-dl version 2020.01.15
  • I've checked that all provided URLs are alive and playable in a browser
  • I've checked that all URLs and arguments with special characters are properly quoted or escaped
  • I've searched the bugtracker for similar issues including closed ones

Verbose log

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--verbose', '-j', 'https://www.youtube.com/playlist?list=OLAK5uy_kj9o0LqqeGu3wJf_G1JqOJ-YHzexqptlM']
[debug] Encodings: locale UTF-8, fs utf-8, out utf-8, pref UTF-8
[debug] youtube-dl version 2020.01.15
[debug] Python version 3.8.1 (CPython) - Linux-5.5.0-1-MANJARO-x86_64-with-glibc2.2.5
[debug] exe versions: ffmpeg 4.2.2, ffprobe 4.2.2, rtmpdump 2.4
[debug] Proxy map: {}
ERROR: Signature extraction failed: Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1383, in _decrypt_signature
    func = self._extract_signature_function(
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1297, in _extract_signature_function
    cache_res = res(test_string)
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1360, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 258, in resf
    res, abort = self.interpret_statement(stmt, local_vars)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 91, in interpret_expression
    right_val = self.interpret_expression(
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 188, in interpret_expression
    x, abort = self.interpret_statement(
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 188, in interpret_expression
    x, abort = self.interpret_statement(
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 211, in interpret_expression
    raise ExtractorError('Unsupported JS expression %r' % expr)
youtube_dl.utils.ExtractorError: Unsupported JS expression '[function(c,d){d=(d'; 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("Unsupported JS expression '[function(c,d){d=(d'; 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/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1383, in _decrypt_signature
    func = self._extract_signature_function(
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1297, in _extract_signature_function
    cache_res = res(test_string)
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1360, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 258, in resf
    res, abort = self.interpret_statement(stmt, local_vars)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 91, in interpret_expression
    right_val = self.interpret_expression(
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 188, in interpret_expression
    x, abort = self.interpret_statement(
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 188, in interpret_expression
    x, abort = self.interpret_statement(
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 211, in interpret_expression
    raise ExtractorError('Unsupported JS expression %r' % expr)
youtube_dl.utils.ExtractorError: Unsupported JS expression '[function(c,d){d=(d'; 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/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1383, in _decrypt_signature
    func = self._extract_signature_function(
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1297, in _extract_signature_function
    cache_res = res(test_string)
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1360, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 258, in resf
    res, abort = self.interpret_statement(stmt, local_vars)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 91, in interpret_expression
    right_val = self.interpret_expression(
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 188, in interpret_expression
    x, abort = self.interpret_statement(
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 188, in interpret_expression
    x, abort = self.interpret_statement(
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 211, in interpret_expression
    raise ExtractorError('Unsupported JS expression %r' % expr)
youtube_dl.utils.ExtractorError: Unsupported JS expression '[function(c,d){d=(d'; 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.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/youtube_dl/YoutubeDL.py", line 796, in extract_info
    ie_result = ie.extract(url)
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/common.py", line 530, in extract
    ie_result = self._real_extract(url)
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 2046, in _real_extract
    signature = self._decrypt_signature(
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1393, in _decrypt_signature
    raise ExtractorError(
youtube_dl.utils.ExtractorError: Signature extraction failed: Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1383, in _decrypt_signature
    func = self._extract_signature_function(
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1297, in _extract_signature_function
    cache_res = res(test_string)
  File "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py", line 1360, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 258, in resf
    res, abort = self.interpret_statement(stmt, local_vars)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 91, in interpret_expression
    right_val = self.interpret_expression(
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 188, in interpret_expression
    x, abort = self.interpret_statement(
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 188, in interpret_expression
    x, abort = self.interpret_statement(
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/lib/python3.8/site-packages/youtube_dl/jsinterp.py", line 211, in interpret_expression
    raise ExtractorError('Unsupported JS expression %r' % expr)
youtube_dl.utils.ExtractorError: Unsupported JS expression '[function(c,d){d=(d'; 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("Unsupported JS expression '[function(c,d){d=(d'; 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.

Description

Trying to dump the Json information of a playlist seem to be broken for youtube.
@marburger93
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@marburger93 marburger93 commented Jan 23, 2020

I can confirm the the issue on many videos.

./youtube-dl -4 -v "https://www.youtube.com/watch?v=pqIv3e5eBeo"
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-4', u'-v', u'https://www.youtube.com/watch?v=pqIv3e5eBeo']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2020.01.15
[debug] Python version 2.7.9 (CPython) - Linux-4.9.182-xxxx-std-ipv6-64-x86_64-with-Debian-7
[debug] exe versions: avconv 11.12-6, avprobe 11.12-6, ffmpeg N-48007-g62f8d27ef1-static
[debug] Proxy map: {}
[youtube] pqIv3e5eBeo: Downloading webpage
[youtube] pqIv3e5eBeo: Downloading video info webpage
[youtube] {18} signature length 109, html5 player vfl_PLd61
[youtube] pqIv3e5eBeo: Downloading player https://www.youtube.com/yts/jsbin/player_ias-vfl_PLd61/en_US/base.js
ERROR: Signature extraction failed: Traceback (most recent call last):
  File "./youtube-dl/youtube_dl/extractor/youtube.py", line 1384, in _decrypt_signature
    video_id, player_url, s
  File "./youtube-dl/youtube_dl/extractor/youtube.py", line 1297, in _extract_signature_function
    cache_res = res(test_string)
  File "./youtube-dl/youtube_dl/extractor/youtube.py", line 1360, in <lambda>
    return lambda s: initial_function([s])
  File "./youtube-dl/youtube_dl/jsinterp.py", line 258, in resf
    res, abort = self.interpret_statement(stmt, local_vars)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 92, in interpret_expression
    m.group('expr'), local_vars, allow_recursion - 1)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 189, in interpret_expression
    m.group('x'), local_vars, allow_recursion - 1)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 189, in interpret_expression
    m.group('x'), local_vars, allow_recursion - 1)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 211, in interpret_expression
    raise ExtractorError('Unsupported JS expression %r' % expr)
ExtractorError: Unsupported JS expression u'[function(c,d){d=(d'; 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"Unsupported JS expression u'[function(c,d){d=(d'; 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 "./youtube-dl/youtube_dl/extractor/youtube.py", line 1384, in _decrypt_signature
    video_id, player_url, s
  File "./youtube-dl/youtube_dl/extractor/youtube.py", line 1297, in _extract_signature_function
    cache_res = res(test_string)
  File "./youtube-dl/youtube_dl/extractor/youtube.py", line 1360, in <lambda>
    return lambda s: initial_function([s])
  File "./youtube-dl/youtube_dl/jsinterp.py", line 258, in resf
    res, abort = self.interpret_statement(stmt, local_vars)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 92, in interpret_expression
    m.group('expr'), local_vars, allow_recursion - 1)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 189, in interpret_expression
    m.group('x'), local_vars, allow_recursion - 1)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 189, in interpret_expression
    m.group('x'), local_vars, allow_recursion - 1)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 211, in interpret_expression
    raise ExtractorError('Unsupported JS expression %r' % expr)
ExtractorError: Unsupported JS expression u'[function(c,d){d=(d'; 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 "./youtube-dl/youtube_dl/YoutubeDL.py", line 796, in extract_info
    ie_result = ie.extract(url)
  File "./youtube-dl/youtube_dl/extractor/common.py", line 530, in extract
    ie_result = self._real_extract(url)
  File "./youtube-dl/youtube_dl/extractor/youtube.py", line 2047, in _real_extract
    encrypted_sig, video_id, player_url, age_gate)
  File "./youtube-dl/youtube_dl/extractor/youtube.py", line 1394, in _decrypt_signature
    'Signature extraction failed: ' + tb, cause=e)
ExtractorError: Signature extraction failed: Traceback (most recent call last):
  File "./youtube-dl/youtube_dl/extractor/youtube.py", line 1384, in _decrypt_signature
    video_id, player_url, s
  File "./youtube-dl/youtube_dl/extractor/youtube.py", line 1297, in _extract_signature_function
    cache_res = res(test_string)
  File "./youtube-dl/youtube_dl/extractor/youtube.py", line 1360, in <lambda>
    return lambda s: initial_function([s])
  File "./youtube-dl/youtube_dl/jsinterp.py", line 258, in resf
    res, abort = self.interpret_statement(stmt, local_vars)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 92, in interpret_expression
    m.group('expr'), local_vars, allow_recursion - 1)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 189, in interpret_expression
    m.group('x'), local_vars, allow_recursion - 1)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 189, in interpret_expression
    m.group('x'), local_vars, allow_recursion - 1)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "./youtube-dl/youtube_dl/jsinterp.py", line 211, in interpret_expression
    raise ExtractorError('Unsupported JS expression %r' % expr)
ExtractorError: Unsupported JS expression u'[function(c,d){d=(d'; 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"Unsupported JS expression u'[function(c,d){d=(d'; 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.
@Willseph
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@Willseph Willseph commented Jan 23, 2020

I'm experiencing the same problem recently with a particular video. I'm also on 2020.01.15, and the video works in-browser just fine.

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'--verbose', u'--skip-download', u'--write-info-json', u'-o', u'i', u'https://www.youtube.com/watch?v=S79GcTt_8pc']
[debug] Encodings: locale UTF-8, fs UTF-8, out None, pref UTF-8
[debug] youtube-dl version 2020.01.15
[debug] Python version 2.7.12 (CPython) - Linux-4.4.0-171-generic-x86_64-with-Ubuntu-16.04-xenial
[debug] exe versions: ffmpeg 2.8.15, ffprobe 2.8.15, rtmpdump 2.4
[debug] Proxy map: {}
[youtube] S79GcTt_8pc: Downloading webpage
[youtube] S79GcTt_8pc: Downloading video info webpage
[youtube] {18} signature length 109, html5 player vfl_PLd61
[youtube] S79GcTt_8pc: Downloading player https://www.youtube.com/yts/jsbin/player_ias-vfl_PLd61/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 1384, in _decrypt_signature
    video_id, player_url, s
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1297, in _extract_signature_function
    cache_res = res(test_string)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1360, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 258, in resf
    res, abort = self.interpret_statement(stmt, local_vars)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 92, in interpret_expression
    m.group('expr'), local_vars, allow_recursion - 1)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 189, in interpret_expression
    m.group('x'), local_vars, allow_recursion - 1)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 189, in interpret_expression
    m.group('x'), local_vars, allow_recursion - 1)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 211, in interpret_expression
    raise ExtractorError('Unsupported JS expression %r' % expr)
ExtractorError: Unsupported JS expression u'[function(c,d){d=(d'; 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"Unsupported JS expression u'[function(c,d){d=(d'; 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 1384, in _decrypt_signature
    video_id, player_url, s
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1297, in _extract_signature_function
    cache_res = res(test_string)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1360, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 258, in resf
    res, abort = self.interpret_statement(stmt, local_vars)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 92, in interpret_expression
    m.group('expr'), local_vars, allow_recursion - 1)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 189, in interpret_expression
    m.group('x'), local_vars, allow_recursion - 1)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 189, in interpret_expression
    m.group('x'), local_vars, allow_recursion - 1)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 211, in interpret_expression
    raise ExtractorError('Unsupported JS expression %r' % expr)
ExtractorError: Unsupported JS expression u'[function(c,d){d=(d'; 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 796, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 530, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 2047, in _real_extract
    encrypted_sig, video_id, player_url, age_gate)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1394, 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 1384, in _decrypt_signature
    video_id, player_url, s
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1297, in _extract_signature_function
    cache_res = res(test_string)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1360, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 258, in resf
    res, abort = self.interpret_statement(stmt, local_vars)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 92, in interpret_expression
    m.group('expr'), local_vars, allow_recursion - 1)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 189, in interpret_expression
    m.group('x'), local_vars, allow_recursion - 1)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 189, in interpret_expression
    m.group('x'), local_vars, allow_recursion - 1)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 56, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 211, in interpret_expression
    raise ExtractorError('Unsupported JS expression %r' % expr)
ExtractorError: Unsupported JS expression u'[function(c,d){d=(d'; 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"Unsupported JS expression u'[function(c,d){d=(d'; 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.
@remitamine remitamine pinned this issue Jan 23, 2020
@dubbadhar dubbadhar mentioned this issue Jan 23, 2020
Closed
@ytdl-org ytdl-org locked as too heated and limited conversation to collaborators Jan 23, 2020
@dstftw dstftw closed this in c3cfea9 Jan 23, 2020
bbepis referenced this issue in animelover1984/youtube-dl Feb 6, 2020
@dstftw @bbepis
[youtube] Fix sigfunc name extraction (closes #23819)
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bbepis Bepis
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@Willseph @marburger93 @baptistegasser
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