jsinterp failed with: AttributeError: 'NoneType' object has no attribute 'group'

[netch80]

(Already reported in 7624 but the latter one is closed by its originator, so I decided to open a new one.)

The fail log:

Script started on Tue Nov 24 08:31:01 2015
command: yt --verbose iCGM6sRopqE
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'-c', u'-f', u'37/85/35/22/18', u'-o', u'%(id)s--%(title)s.%(format_id)s.%(ext)s', u'--verbose', u'iCGM6sRopqE']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2015.11.23
[debug] Python version 2.7.10 - FreeBSD-10.2-RELEASE-p5-amd64-64bit-ELF
[debug] exe versions: ffmpeg 2.8.2, ffprobe 2.8.2
[debug] Proxy map: {}
[youtube] iCGM6sRopqE: Downloading webpage
[youtube] iCGM6sRopqE: Downloading video info webpage
[youtube] iCGM6sRopqE: Extracting video information
[youtube] {22} signature length 49.43, html5 player en_US-vflUpjAy9
[youtube] iCGM6sRopqE: Downloading player https://s.ytimg.com/yts/jsbin/player-en_US-vflUpjAy9/base.js
ERROR: Signature extraction failed: Traceback (most recent call last):
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 856, in _decrypt_signature
video_id, player_url, s
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 783, in _extract_signature_function
cache_res = res(test_string)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 835, in
return lambda s: initial_function([s])
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/jsinterp.py", line 254, in resf
res, abort = self.interpret_statement(stmt, local_vars)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/jsinterp.py", line 55, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/jsinterp.py", line 135, in interpret_expression
self._objects[variable] = self.extract_object(variable)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/jsinterp.py", line 220, in extract_object
fields = obj_m.group('fields')
AttributeError: 'NoneType' object has no attribute 'group'
(caused by AttributeError("'NoneType' object has no attribute 'group'",)); 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 "/var2/homes/netch/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 856, in _decrypt_signature
video_id, player_url, s
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 783, in _extract_signature_function
cache_res = res(test_string)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 835, in
return lambda s: initial_function([s])
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/jsinterp.py", line 254, in resf
res, abort = self.interpret_statement(stmt, local_vars)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/jsinterp.py", line 55, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/jsinterp.py", line 135, in interpret_expression
self._objects[variable] = self.extract_object(variable)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/jsinterp.py", line 220, in extract_object
fields = obj_m.group('fields')
AttributeError: 'NoneType' object has no attribute 'group'
Traceback (most recent call last):
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 663, in extract_info
ie_result = ie.extract(url)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/extractor/common.py", line 290, in extract
return self._real_extract(url)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1410, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 866, in _decrypt_signature
'Signature extraction failed: ' + tb, cause=e)
ExtractorError: Signature extraction failed: Traceback (most recent call last):
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 856, in _decrypt_signature
video_id, player_url, s
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 783, in _extract_signature_function
cache_res = res(test_string)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 835, in
return lambda s: initial_function([s])
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/jsinterp.py", line 254, in resf
res, abort = self.interpret_statement(stmt, local_vars)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/jsinterp.py", line 55, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/jsinterp.py", line 135, in interpret_expression
self._objects[variable] = self.extract_object(variable)
File "/var2/homes/netch/bin/youtube-dl/youtube_dl/jsinterp.py", line 220, in extract_object
fields = obj_m.group('fields')
AttributeError: 'NoneType' object has no attribute 'group'
(caused by AttributeError("'NoneType' object has no attribute 'group'",)); 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.

System is: FreeBSD 10.2-RELEASE-p5 amd64
Python 2.7.10

[yan12125]

Thanks for the verbose log. Looks like a duplicate of #7623.