Downloading js player not working in 2014.07.23.1

deekerman commented

2026-02-21 00:26:50 -05:00

Owner

Originally created by @DabKick on GitHub (Jul 22, 2014).

/usr/local/bin/youtube-dl -f 18 --youtube-print-sig-code --skip-download 6g6g2mvItp4
[youtube] Setting language
[youtube] 6g6g2mvItp4: Downloading webpage
[youtube] 6g6g2mvItp4: Downloading video info webpage
[youtube] 6g6g2mvItp4: Extracting video information
[youtube] 6g6g2mvItp4: Encrypted signatures detected.
[youtube] 6g6g2mvItp4: Downloading js player vflBb0OQx
Traceback (most recent call last):
File "/usr/lib/python2.6/runpy.py", line 121, in _run_module_as_main
"main", fname, loader, pkg_name)
File "/usr/lib/python2.6/runpy.py", line 34, in _run_code
exec code in run_globals
File "/usr/local/bin/youtube-dl/main.py", line 18, in
File "/usr/local/bin/youtube-dl/youtube_dl/init.py", line 857, in main
File "/usr/local/bin/youtube-dl/youtube_dl/init.py", line 847, in _real_main
File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1052, in download
File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 531, in extract_info
File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 405, in report_error
File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 358, in trouble
File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 306, in to_stderr
AssertionError

Originally created by @DabKick on GitHub (Jul 22, 2014). /usr/local/bin/youtube-dl -f 18 --youtube-print-sig-code --skip-download 6g6g2mvItp4 [youtube] Setting language [youtube] 6g6g2mvItp4: Downloading webpage [youtube] 6g6g2mvItp4: Downloading video info webpage [youtube] 6g6g2mvItp4: Extracting video information [youtube] 6g6g2mvItp4: Encrypted signatures detected. [youtube] 6g6g2mvItp4: Downloading js player vflBb0OQx Traceback (most recent call last): File "/usr/lib/python2.6/runpy.py", line 121, in _run_module_as_main "__main__", fname, loader, pkg_name) File "/usr/lib/python2.6/runpy.py", line 34, in _run_code exec code in run_globals File "/usr/local/bin/youtube-dl/__main__.py", line 18, in <module> File "/usr/local/bin/youtube-dl/youtube_dl/**init**.py", line 857, in main File "/usr/local/bin/youtube-dl/youtube_dl/**init**.py", line 847, in _real_main File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1052, in download File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 531, in extract_info File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 405, in report_error File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 358, in trouble File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 306, in to_stderr AssertionError

deekerman closed this issue

2026-02-21 00:26:53 -05:00

deekerman commented

2026-02-21 00:26:55 -05:00

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@phihag commented on GitHub (Jul 22, 2014):

Can you post the output you get when you add -v to your command?

@phihag commented on GitHub (Jul 22, 2014): Can you post the output you get when you add `-v` to your command?

deekerman commented

2026-02-21 00:26:55 -05:00

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Owner

@DabKick commented on GitHub (Jul 22, 2014):

ip-10-110-162-99:/usr/local/bin # /usr/local/bin/youtube-dl -v -f 18 --youtube-print-sig-code --skip-download fwK7ggA3-bU
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', '-f', '18', '--youtube-print-sig-code', '--skip-download', 'fwK7ggA3-bU']
Traceback (most recent call last):
File "/usr/lib/python2.6/runpy.py", line 121, in _run_module_as_main
"main", fname, loader, pkg_name)
File "/usr/lib/python2.6/runpy.py", line 34, in _run_code
exec code in run_globals
File "/usr/local/bin/youtube-dl/main.py", line 18, in
File "/usr/local/bin/youtube-dl/youtube_dl/init.py", line 857, in main
File "/usr/local/bin/youtube-dl/youtube_dl/init.py", line 812, in _real_main
File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1243, in print_debug_header
File "/usr/local/bin/youtube-dl/youtube_dl/utils.py", line 1011, in write_string
AssertionError

@DabKick commented on GitHub (Jul 22, 2014): ip-10-110-162-99:/usr/local/bin # /usr/local/bin/youtube-dl -v -f 18 --youtube-print-sig-code --skip-download fwK7ggA3-bU [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['-v', '-f', '18', '--youtube-print-sig-code', '--skip-download', 'fwK7ggA3-bU'] Traceback (most recent call last): File "/usr/lib/python2.6/runpy.py", line 121, in _run_module_as_main "__main__", fname, loader, pkg_name) File "/usr/lib/python2.6/runpy.py", line 34, in _run_code exec code in run_globals File "/usr/local/bin/youtube-dl/__main__.py", line 18, in <module> File "/usr/local/bin/youtube-dl/youtube_dl/**init**.py", line 857, in main File "/usr/local/bin/youtube-dl/youtube_dl/**init**.py", line 812, in _real_main File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1243, in print_debug_header File "/usr/local/bin/youtube-dl/youtube_dl/utils.py", line 1011, in write_string AssertionError

deekerman commented

2026-02-21 00:26:55 -05:00

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Owner

@DabKick commented on GitHub (Jul 22, 2014):

To narrow down the issue, I just ran the command with -v to download the video and got the same errors. Here's the output:

ip-10-110-162-99:/usr/local/bin # ./youtube-dl fwK7ggA3-bU
[youtube] Setting language
[youtube] fwK7ggA3-bU: Downloading webpage
[youtube] fwK7ggA3-bU: Downloading video info webpage
[youtube] fwK7ggA3-bU: Extracting video information
[youtube] fwK7ggA3-bU: Encrypted signatures detected.
[youtube] fwK7ggA3-bU: Downloading js player vflBb0OQx
Traceback (most recent call last):
File "/usr/lib/python2.6/runpy.py", line 121, in _run_module_as_main
"main", fname, loader, pkg_name)
File "/usr/lib/python2.6/runpy.py", line 34, in _run_code
exec code in run_globals
File "./youtube-dl/main.py", line 18, in
File "./youtube-dl/youtube_dl/init.py", line 857, in main
File "./youtube-dl/youtube_dl/init.py", line 847, in _real_main
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 1052, in download
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 531, in extract_info
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 405, in report_error
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 358, in trouble
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 306, in to_stderr
AssertionError

ip-10-110-162-99:/usr/local/bin # ./youtube-dl -v fwK7ggA3-bU
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', 'fwK7ggA3-bU']
Traceback (most recent call last):
File "/usr/lib/python2.6/runpy.py", line 121, in _run_module_as_main
"main", fname, loader, pkg_name)
File "/usr/lib/python2.6/runpy.py", line 34, in _run_code
exec code in run_globals
File "./youtube-dl/main.py", line 18, in
File "./youtube-dl/youtube_dl/init.py", line 857, in main
File "./youtube-dl/youtube_dl/init.py", line 812, in _real_main
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 1243, in print_debug_header
File "./youtube-dl/youtube_dl/utils.py", line 1011, in write_string
AssertionError

@DabKick commented on GitHub (Jul 22, 2014): To narrow down the issue, I just ran the command with -v to download the video and got the same errors. Here's the output: ip-10-110-162-99:/usr/local/bin # ./youtube-dl fwK7ggA3-bU [youtube] Setting language [youtube] fwK7ggA3-bU: Downloading webpage [youtube] fwK7ggA3-bU: Downloading video info webpage [youtube] fwK7ggA3-bU: Extracting video information [youtube] fwK7ggA3-bU: Encrypted signatures detected. [youtube] fwK7ggA3-bU: Downloading js player vflBb0OQx Traceback (most recent call last): File "/usr/lib/python2.6/runpy.py", line 121, in _run_module_as_main "__main__", fname, loader, pkg_name) File "/usr/lib/python2.6/runpy.py", line 34, in _run_code exec code in run_globals File "./youtube-dl/__main__.py", line 18, in <module> File "./youtube-dl/youtube_dl/**init**.py", line 857, in main File "./youtube-dl/youtube_dl/**init**.py", line 847, in _real_main File "./youtube-dl/youtube_dl/YoutubeDL.py", line 1052, in download File "./youtube-dl/youtube_dl/YoutubeDL.py", line 531, in extract_info File "./youtube-dl/youtube_dl/YoutubeDL.py", line 405, in report_error File "./youtube-dl/youtube_dl/YoutubeDL.py", line 358, in trouble File "./youtube-dl/youtube_dl/YoutubeDL.py", line 306, in to_stderr AssertionError ip-10-110-162-99:/usr/local/bin # ./youtube-dl -v fwK7ggA3-bU [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['-v', 'fwK7ggA3-bU'] Traceback (most recent call last): File "/usr/lib/python2.6/runpy.py", line 121, in _run_module_as_main "__main__", fname, loader, pkg_name) File "/usr/lib/python2.6/runpy.py", line 34, in _run_code exec code in run_globals File "./youtube-dl/__main__.py", line 18, in <module> File "./youtube-dl/youtube_dl/**init**.py", line 857, in main File "./youtube-dl/youtube_dl/**init**.py", line 812, in _real_main File "./youtube-dl/youtube_dl/YoutubeDL.py", line 1243, in print_debug_header File "./youtube-dl/youtube_dl/utils.py", line 1011, in write_string AssertionError

deekerman commented

2026-02-21 00:26:55 -05:00

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@phihag commented on GitHub (Jul 22, 2014):

Thanks for the feedback. Can you post the output you get (with and without -v) with youtube-dl 2014.07.23.2? (Type sudo youtube-dl -U to update)

@phihag commented on GitHub (Jul 22, 2014): Thanks for the feedback. Can you post the output you get (with **and** without `-v`) with youtube-dl 2014.07.23.2? (Type `sudo youtube-dl -U` to update)

deekerman commented

2026-02-21 00:26:55 -05:00

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@phihag commented on GitHub (Jul 22, 2014):

Reopening, it is unlikely that the changes have fixed the output configuration error we're seeing here.

@phihag commented on GitHub (Jul 22, 2014): Reopening, it is unlikely that the changes have fixed the output configuration error we're seeing here.

deekerman commented

2026-02-21 00:26:56 -05:00

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Owner

@DabKick commented on GitHub (Jul 22, 2014):

Thanks. I updated it but getting different errors now. Here's the output:

ip-10-110-162-99:/usr/local/bin # /usr/local/bin/youtube-dl -v -f 18 --youtube-print-sig-code --skip-download fwK7ggA3-bU
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', '-f', '18', '--youtube-print-sig-code', '--skip-download', 'fwK7ggA3-bU']
Failed to write encoding string '[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8\n'Traceback (most recent call last):
File "/usr/lib/python2.6/runpy.py", line 121, in _run_module_as_main
"main", fname, loader, pkg_name)
File "/usr/lib/python2.6/runpy.py", line 34, in _run_code
exec code in run_globals
File "/usr/local/bin/youtube-dl/main.py", line 18, in
File "/usr/local/bin/youtube-dl/youtube_dl/init.py", line 857, in main
File "/usr/local/bin/youtube-dl/youtube_dl/init.py", line 812, in _real_main
File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1251, in print_debug_header
IOError: Failed to write encoding string '[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8\n'
ip-10-110-162-99:/usr/local/bin # /usr/local/bin/youtube-dl -f 18 --youtube-print-sig-code --skip-download -v fwK7ggA3-bU
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-f', '18', '--youtube-print-sig-code', '--skip-download', '-v', 'fwK7ggA3-bU']
Failed to write encoding string '[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8\n'Traceback (most recent call last):
File "/usr/lib/python2.6/runpy.py", line 121, in _run_module_as_main
"main", fname, loader, pkg_name)
File "/usr/lib/python2.6/runpy.py", line 34, in _run_code
exec code in run_globals
File "/usr/local/bin/youtube-dl/main.py", line 18, in
File "/usr/local/bin/youtube-dl/youtube_dl/init.py", line 857, in main
File "/usr/local/bin/youtube-dl/youtube_dl/init.py", line 812, in _real_main
File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1251, in print_debug_header
IOError: Failed to write encoding string '[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8\n'
ip-10-110-162-99:/usr/local/bin #

@DabKick commented on GitHub (Jul 22, 2014): Thanks. I updated it but getting different errors now. Here's the output: ip-10-110-162-99:/usr/local/bin # /usr/local/bin/youtube-dl -v -f 18 --youtube-print-sig-code --skip-download fwK7ggA3-bU [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['-v', '-f', '18', '--youtube-print-sig-code', '--skip-download', 'fwK7ggA3-bU'] Failed to write encoding string '[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8\n'Traceback (most recent call last): File "/usr/lib/python2.6/runpy.py", line 121, in _run_module_as_main "__main__", fname, loader, pkg_name) File "/usr/lib/python2.6/runpy.py", line 34, in _run_code exec code in run_globals File "/usr/local/bin/youtube-dl/__main__.py", line 18, in <module> File "/usr/local/bin/youtube-dl/youtube_dl/**init**.py", line 857, in main File "/usr/local/bin/youtube-dl/youtube_dl/**init**.py", line 812, in _real_main File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1251, in print_debug_header IOError: Failed to write encoding string '[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8\n' ip-10-110-162-99:/usr/local/bin # /usr/local/bin/youtube-dl -f 18 --youtube-print-sig-code --skip-download -v fwK7ggA3-bU [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['-f', '18', '--youtube-print-sig-code', '--skip-download', '-v', 'fwK7ggA3-bU'] Failed to write encoding string '[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8\n'Traceback (most recent call last): File "/usr/lib/python2.6/runpy.py", line 121, in _run_module_as_main "__main__", fname, loader, pkg_name) File "/usr/lib/python2.6/runpy.py", line 34, in _run_code exec code in run_globals File "/usr/local/bin/youtube-dl/__main__.py", line 18, in <module> File "/usr/local/bin/youtube-dl/youtube_dl/**init**.py", line 857, in main File "/usr/local/bin/youtube-dl/youtube_dl/**init**.py", line 812, in _real_main File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1251, in print_debug_header IOError: Failed to write encoding string '[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8\n' ip-10-110-162-99:/usr/local/bin #

deekerman commented

2026-02-21 00:26:56 -05:00

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@phihag commented on GitHub (Jul 22, 2014):

Note that you use -v in both outputs. What version of python are you using (python --version)? Can you tell me your operating system / Linux distrbution?

@phihag commented on GitHub (Jul 22, 2014): Note that you use `-v` in both outputs. What version of python are you using (`python --version`)? Can you tell me your operating system / Linux distrbution?

deekerman commented

2026-02-21 00:26:56 -05:00

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@DabKick commented on GitHub (Jul 22, 2014):

ip-10-110-162-99:/usr/local/bin # python --version
Python 2.6

ip-10-110-162-99:/usr/local/bin # uname -a
Linux ip-10-110-162-99 2.6.32.19-0.3-ec2 #1 SMP 2010-09-17 20:28:21 +0200 i686 i686 i386 GNU/Linux

ip-10-110-162-99:/usr/local/bin # cat /etc/*-release
SUSE Linux Enterprise Server 11 (i586)
VERSION = 11
PATCHLEVEL = 1

@DabKick commented on GitHub (Jul 22, 2014): ip-10-110-162-99:/usr/local/bin # python --version Python 2.6 ip-10-110-162-99:/usr/local/bin # uname -a Linux ip-10-110-162-99 2.6.32.19-0.3-ec2 #1 SMP 2010-09-17 20:28:21 +0200 i686 i686 i386 GNU/Linux ip-10-110-162-99:/usr/local/bin # cat /etc/*-release SUSE Linux Enterprise Server 11 (i586) VERSION = 11 PATCHLEVEL = 1

deekerman commented

2026-02-21 00:26:56 -05:00

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@l3uddz commented on GitHub (Jul 23, 2014):

This is also happening with the standalone .exe provided at http://rg3.github.io/youtube-dl/
was working fine yesterday, can only assume they have made some changes 👎

UPDATE: Was using 3 day old bin, ignroe this post =) havent encountered the error since updating to .23

@l3uddz commented on GitHub (Jul 23, 2014): This is also happening with the standalone .exe provided at http://rg3.github.io/youtube-dl/ was working fine yesterday, can only assume they have made some changes :-1: UPDATE: Was using 3 day old bin, ignroe this post =) havent encountered the error since updating to .23

deekerman commented

2026-02-21 00:26:56 -05:00

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@DabKick commented on GitHub (Jul 24, 2014):

Automatic signature extraction failed with the latest version. Here's the output:

domU-12-31-39-09-14-01:/usr/local/bin # ./youtube-dl -v McEoTIqoRKk
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', 'McEoTIqoRKk']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.07.23.2
[debug] Python version 2.6.8 - Linux-2.6.32.19-0.3-ec2-i686-with-SuSE-11-i586
[debug] Proxy map: {}
[youtube] Setting language
[youtube] McEoTIqoRKk: Downloading webpage
[youtube] McEoTIqoRKk: Downloading video info webpage
[youtube] McEoTIqoRKk: Extracting video information
[youtube] McEoTIqoRKk: Encrypted signatures detected.
[youtube] encrypted signature length 83 (55.27), itag 22, html5 player en_US-vfl9FYC6l
[youtube] McEoTIqoRKk: Downloading js player vfl9FYC6l
WARNING: Writing cache to u'/root/.cache/youtube-dl/youtube-sigfuncs/js_vfl9FYC6l_83.json' failed: Traceback (most recent call last):
File "./youtube-dl/youtube_dl/extractor/youtube.py", line 392, in _extract_signature_function
cache_res = res(test_string)
File "./youtube-dl/youtube_dl/extractor/youtube.py", line 450, in
return lambda s: initial_function([s])
File "./youtube-dl/youtube_dl/jsinterp.py", line 148, in resf
res = self.interpret_statement(stmt, local_vars)
File "./youtube-dl/youtube_dl/jsinterp.py", line 44, in interpret_statement
'Cannot determine left side of statement in %r' % stmt)
ExtractorError: Cannot determine left side of statement in u'jo.Dv(a,28)'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.

ERROR: Automatic signature extraction failed: Traceback (most recent call last):
File "./youtube-dl/youtube_dl/extractor/youtube.py", line 477, in _decrypt_signature
return func(s)
File "./youtube-dl/youtube_dl/extractor/youtube.py", line 450, in
return lambda s: initial_function([s])
File "./youtube-dl/youtube_dl/jsinterp.py", line 148, in resf
res = self.interpret_statement(stmt, local_vars)
File "./youtube-dl/youtube_dl/jsinterp.py", line 44, in interpret_statement
'Cannot determine left side of statement in %r' % stmt)
ExtractorError: Cannot determine left side of statement in u'jo.Dv(a,28)'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.
; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.
Traceback (most recent call last):
File "./youtube-dl/youtube_dl/extractor/youtube.py", line 477, in _decrypt_signature
return func(s)
File "./youtube-dl/youtube_dl/extractor/youtube.py", line 450, in
return lambda s: initial_function([s])
File "./youtube-dl/youtube_dl/jsinterp.py", line 148, in resf
res = self.interpret_statement(stmt, local_vars)
File "./youtube-dl/youtube_dl/jsinterp.py", line 44, in interpret_statement
'Cannot determine left side of statement in %r' % stmt)
ExtractorError: Cannot determine left side of statement in u'jo.Dv(a,28)'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.
Traceback (most recent call last):
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info
ie_result = ie.extract(url)
File "./youtube-dl/youtube_dl/extractor/common.py", line 169, in extract
return self._real_extract(url)
File "./youtube-dl/youtube_dl/extractor/youtube.py", line 847, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "./youtube-dl/youtube_dl/extractor/youtube.py", line 481, in _decrypt_signature
u'Automatic signature extraction failed: ' + tb, cause=e)
ExtractorError: Automatic signature extraction failed: Traceback (most recent call last):
File "./youtube-dl/youtube_dl/extractor/youtube.py", line 477, in _decrypt_signature
return func(s)
File "./youtube-dl/youtube_dl/extractor/youtube.py", line 450, in
return lambda s: initial_function([s])
File "./youtube-dl/youtube_dl/jsinterp.py", line 148, in resf
res = self.interpret_statement(stmt, local_vars)
File "./youtube-dl/youtube_dl/jsinterp.py", line 44, in interpret_statement
'Cannot determine left side of statement in %r' % stmt)
ExtractorError: Cannot determine left side of statement in u'jo.Dv(a,28)'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.
; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.

@DabKick commented on GitHub (Jul 24, 2014): Automatic signature extraction failed with the latest version. Here's the output: domU-12-31-39-09-14-01:/usr/local/bin # ./youtube-dl -v McEoTIqoRKk [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['-v', 'McEoTIqoRKk'] [debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2014.07.23.2 [debug] Python version 2.6.8 - Linux-2.6.32.19-0.3-ec2-i686-with-SuSE-11-i586 [debug] Proxy map: {} [youtube] Setting language [youtube] McEoTIqoRKk: Downloading webpage [youtube] McEoTIqoRKk: Downloading video info webpage [youtube] McEoTIqoRKk: Extracting video information [youtube] McEoTIqoRKk: Encrypted signatures detected. [youtube] encrypted signature length 83 (55.27), itag 22, html5 player en_US-vfl9FYC6l [youtube] McEoTIqoRKk: Downloading js player vfl9FYC6l WARNING: Writing cache to u'/root/.cache/youtube-dl/youtube-sigfuncs/js_vfl9FYC6l_83.json' failed: Traceback (most recent call last): File "./youtube-dl/youtube_dl/extractor/youtube.py", line 392, in _extract_signature_function cache_res = res(test_string) File "./youtube-dl/youtube_dl/extractor/youtube.py", line 450, in <lambda> return lambda s: initial_function([s]) File "./youtube-dl/youtube_dl/jsinterp.py", line 148, in resf res = self.interpret_statement(stmt, local_vars) File "./youtube-dl/youtube_dl/jsinterp.py", line 44, in interpret_statement 'Cannot determine left side of statement in %r' % stmt) ExtractorError: Cannot determine left side of statement in u'jo.Dv(a,28)'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update. ERROR: Automatic signature extraction failed: Traceback (most recent call last): File "./youtube-dl/youtube_dl/extractor/youtube.py", line 477, in _decrypt_signature return func(s) File "./youtube-dl/youtube_dl/extractor/youtube.py", line 450, in <lambda> return lambda s: initial_function([s]) File "./youtube-dl/youtube_dl/jsinterp.py", line 148, in resf res = self.interpret_statement(stmt, local_vars) File "./youtube-dl/youtube_dl/jsinterp.py", line 44, in interpret_statement 'Cannot determine left side of statement in %r' % stmt) ExtractorError: Cannot determine left side of statement in u'jo.Dv(a,28)'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update. ; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update. Traceback (most recent call last): File "./youtube-dl/youtube_dl/extractor/youtube.py", line 477, in _decrypt_signature return func(s) File "./youtube-dl/youtube_dl/extractor/youtube.py", line 450, in <lambda> return lambda s: initial_function([s]) File "./youtube-dl/youtube_dl/jsinterp.py", line 148, in resf res = self.interpret_statement(stmt, local_vars) File "./youtube-dl/youtube_dl/jsinterp.py", line 44, in interpret_statement 'Cannot determine left side of statement in %r' % stmt) ExtractorError: Cannot determine left side of statement in u'jo.Dv(a,28)'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update. Traceback (most recent call last): File "./youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info ie_result = ie.extract(url) File "./youtube-dl/youtube_dl/extractor/common.py", line 169, in extract return self._real_extract(url) File "./youtube-dl/youtube_dl/extractor/youtube.py", line 847, in _real_extract encrypted_sig, video_id, player_url, age_gate) File "./youtube-dl/youtube_dl/extractor/youtube.py", line 481, in _decrypt_signature u'Automatic signature extraction failed: ' + tb, cause=e) ExtractorError: Automatic signature extraction failed: Traceback (most recent call last): File "./youtube-dl/youtube_dl/extractor/youtube.py", line 477, in _decrypt_signature return func(s) File "./youtube-dl/youtube_dl/extractor/youtube.py", line 450, in <lambda> return lambda s: initial_function([s]) File "./youtube-dl/youtube_dl/jsinterp.py", line 148, in resf res = self.interpret_statement(stmt, local_vars) File "./youtube-dl/youtube_dl/jsinterp.py", line 44, in interpret_statement 'Cannot determine left side of statement in %r' % stmt) ExtractorError: Cannot determine left side of statement in u'jo.Dv(a,28)'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update. ; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.

deekerman commented

2026-02-21 00:26:56 -05:00

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@phihag commented on GitHub (Jul 24, 2014):

@DabKick That's unrelated to your problem with -v and should be fixed as of 2014.07.24.

@phihag commented on GitHub (Jul 24, 2014): @DabKick That's unrelated to your problem with `-v` and should be fixed as of 2014.07.24.

deekerman commented

2026-02-21 00:26:56 -05:00

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@phihag commented on GitHub (Jul 24, 2014):

I can reproduce the error with SLES 11 SP1, but not SLES 11 SP3.

@phihag commented on GitHub (Jul 24, 2014): I can reproduce the error with SLES 11 SP1, but not SLES 11 SP3.

deekerman commented

2026-02-21 00:26:56 -05:00

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@phihag commented on GitHub (Jul 24, 2014):

In the Python in SLES 11 SP1, the following does not hold in a zipfile:

from __future__ import unicode_literals
assert type('') is unicode

I'm afraid we can not support such outdated versions. It's a surprise that only -v is broken under these conditions. You can update to SLES11 SP3 where this is fixed, or install a newer Python interpreter.

@phihag commented on GitHub (Jul 24, 2014): In the Python in SLES 11 SP1, the following does **not** hold in a zipfile: ``` from __future__ import unicode_literals assert type('') is unicode ``` I'm afraid we can not support such outdated versions. It's a surprise that only `-v` is broken under these conditions. You can update to SLES11 SP3 where this is fixed, or install a newer Python interpreter.

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Downloading js player not working in 2014.07.23.1 #2640