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youtube-dl 2014.07.11.3 ERROR: Automatic signature extraction failed: Traceback (most recent call last) / unsupported opcode 96 #2583

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opened 2026-02-21 00:25:30 -05:00 by deekerman · 24 comments
deekerman commented 2026-02-21 00:25:30 -05:00
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Originally created by @prestonconnors on GitHub (Jul 15, 2014).

youtube-dl --verbose "https://youtube.com/watch?v=HkMNOlYcpHg"

[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'https://youtube.com/watch?v=HkMNOlYcpHg']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.07.11.3
[debug] Python version 2.7.3 - Linux-3.2.0-65-generic-x86_64-with-LinuxMint-13-maya
[debug] Proxy map: {}
[youtube] Setting language
[youtube] HkMNOlYcpHg: Downloading webpage
[youtube] HkMNOlYcpHg: Downloading video info webpage
[youtube] HkMNOlYcpHg: Extracting video information
[youtube] HkMNOlYcpHg: Encrypted signatures detected.
[youtube] encrypted signature length 84 (40.43), itag 22, html5 player en_US-vfl0Cbn9e
[youtube] HkMNOlYcpHg: Downloading js player vfl0Cbn9e
WARNING: Writing cache to u'/home/thisuser/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last):
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function
cache_res = res(test_string)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'

ERROR: Automatic signature extraction failed: Traceback (most recent call last):
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
; 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 "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
Traceback (most recent call last):
File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info
ie_result = ie.extract(url)
File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract
return self._real_extract(url)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature
u'Automatic signature extraction failed: ' + tb, cause=e)
ExtractorError: Automatic signature extraction failed: Traceback (most recent call last):
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
; 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.

Originally created by @prestonconnors on GitHub (Jul 15, 2014). youtube-dl --verbose "https://youtube.com/watch?v=HkMNOlYcpHg" [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['--verbose', 'https://youtube.com/watch?v=HkMNOlYcpHg'] [debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2014.07.11.3 [debug] Python version 2.7.3 - Linux-3.2.0-65-generic-x86_64-with-LinuxMint-13-maya [debug] Proxy map: {} [youtube] Setting language [youtube] HkMNOlYcpHg: Downloading webpage [youtube] HkMNOlYcpHg: Downloading video info webpage [youtube] HkMNOlYcpHg: Extracting video information [youtube] HkMNOlYcpHg: Encrypted signatures detected. [youtube] encrypted signature length 84 (40.43), itag 22, html5 player en_US-vfl0Cbn9e [youtube] HkMNOlYcpHg: Downloading js player vfl0Cbn9e WARNING: Writing cache to u'/home/thisuser/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last): File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function cache_res = res(test_string) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ERROR: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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 "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' Traceback (most recent call last): File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info ie_result = ie.extract(url) File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract return self._real_extract(url) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract encrypted_sig, video_id, player_url, age_gate) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature u'Automatic signature extraction failed: ' + tb, cause=e) ExtractorError: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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 00:25:33 -05:00
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@ghost commented on GitHub (Jul 15, 2014):

Yah! Same problem here...

@ghost commented on GitHub (Jul 15, 2014): Yah! Same problem here...
deekerman commented 2026-02-21 00:25:33 -05:00
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@lathevinh commented on GitHub (Jul 15, 2014):

Same here, it is exactly "unsupported opcode 96" in the youtube.py script, function: resfunc

@lathevinh commented on GitHub (Jul 15, 2014): Same here, it is exactly "unsupported opcode 96" in the youtube.py script, function: resfunc
deekerman commented 2026-02-21 00:25:33 -05:00
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@josephef commented on GitHub (Jul 15, 2014):

[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'http://www.youtube.com/watch?v=ZfbBqBOSXlU']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.07.11.3
[debug] Python version 2.6.6 - Linux-2.6.32-5-686-i686-with-debian-6.0.9
[debug] Proxy map: {}
[youtube] Setting language
[youtube] ZfbBqBOSXlU: Downloading webpage
[youtube] ZfbBqBOSXlU: Downloading video info webpage
[youtube] ZfbBqBOSXlU: Extracting video information
[youtube] ZfbBqBOSXlU: Encrypted signatures detected.
[youtube] encrypted signature length 84 (40.43), itag 43, html5 player en_US-vfl0Cbn9e
[youtube] ZfbBqBOSXlU: Downloading js player vfl0Cbn9e
WARNING: Writing cache to u'/home/oceantoad/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function
cache_res = res(test_string)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'

ERROR: Automatic signature extraction failed: Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
; 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 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info
ie_result = ie.extract(url)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract
return self._real_extract(url)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature
u'Automatic signature extraction failed: ' + tb, cause=e)
ExtractorError: Automatic signature extraction failed: Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
; 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.
me too!

@josephef commented on GitHub (Jul 15, 2014): [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['--verbose', 'http://www.youtube.com/watch?v=ZfbBqBOSXlU'] [debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2014.07.11.3 [debug] Python version 2.6.6 - Linux-2.6.32-5-686-i686-with-debian-6.0.9 [debug] Proxy map: {} [youtube] Setting language [youtube] ZfbBqBOSXlU: Downloading webpage [youtube] ZfbBqBOSXlU: Downloading video info webpage [youtube] ZfbBqBOSXlU: Extracting video information [youtube] ZfbBqBOSXlU: Encrypted signatures detected. [youtube] encrypted signature length 84 (40.43), itag 43, html5 player en_US-vfl0Cbn9e [youtube] ZfbBqBOSXlU: Downloading js player vfl0Cbn9e WARNING: Writing cache to u'/home/oceantoad/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function cache_res = res(test_string) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ERROR: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info ie_result = ie.extract(url) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract return self._real_extract(url) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract encrypted_sig, video_id, player_url, age_gate) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature u'Automatic signature extraction failed: ' + tb, cause=e) ExtractorError: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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. me too!
deekerman commented 2026-02-21 00:25:33 -05:00
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@jarvii commented on GitHub (Jul 15, 2014):

I got same fail

@jarvii commented on GitHub (Jul 15, 2014): I got same fail
deekerman commented 2026-02-21 00:25:33 -05:00
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@nayefc commented on GitHub (Jul 15, 2014):

Same here.

@nayefc commented on GitHub (Jul 15, 2014): Same here.
deekerman commented 2026-02-21 00:25:34 -05:00
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@zrii commented on GitHub (Jul 15, 2014):

same here, but happens only on linux, not windows.

@zrii commented on GitHub (Jul 15, 2014): same here, but happens only on linux, not windows.
deekerman commented 2026-02-21 00:25:34 -05:00
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@ericschilton commented on GitHub (Jul 15, 2014):

I am seeing this in windows.

"C:\Program Files (x86)\youtube-dl\youtube-dl.exe" -
i -c --verbose "http://www.youtube.com/playlist?list=PLbStlFp3rUuikYdgh8r9FLEb42
2KSApxW" --extract-audio --audio-format mp3
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-i', '-c', '--verbose', 'http://www.youtube.com/pla
ylist?list=PLbStlFp3rUuikYdgh8r9FLEb422KSApxW', '--extract-audio', '--audio-form
at', 'mp3']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2014.07.11.3
[debug] Python version 2.7.5 - Windows-7-6.1.7601-SP1
[debug] Proxy map: {}
[youtube:playlist] PLbStlFp3rUuikYdgh8r9FLEb422KSApxW: Downloading webpage
[download] Downloading playlist: music
[youtube:playlist] playlist music: Collected 2 video ids (downloading 2 of them)

[download] Downloading video #1 of 2
[youtube] Setting language
[youtube] 5QrXISz7J7Y: Downloading webpage
[youtube] 5QrXISz7J7Y: Downloading video info webpage
[youtube] 5QrXISz7J7Y: Extracting video information
[youtube] 5QrXISz7J7Y: Encrypted signatures detected.
[youtube] encrypted signature length 82 (40.41), itag 43, html5 player en_US-vfl
0Cbn9e
[youtube] 5QrXISz7J7Y: Downloading js player vfl0Cbn9e
WARNING: Writing cache to u'C:\Users\Eric Chilton/.cache\youtube-dl\youtube-
sigfuncs\js_vfl0Cbn9e_82.json' failed: Traceback (most recent call last):
File "youtube_dl\extractor\youtube.pyo", line 391, in _extract_signature_funct
ion
File "youtube_dl\extractor\youtube.pyo", line 449, in
File "youtube_dl\jsinterp.pyo", line 113, in resf
File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement
File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression
KeyError: u'fo'

ERROR: Automatic signature extraction failed: Traceback (most recent call last):

File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature
File "youtube_dl\extractor\youtube.pyo", line 449, in
File "youtube_dl\jsinterp.pyo", line 113, in resf
File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement
File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression
KeyError: u'fo'
; 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 usin
g the latest version; type youtube-dl -U to update.
Traceback (most recent call last):
File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature
File "youtube_dl\extractor\youtube.pyo", line 449, in
File "youtube_dl\jsinterp.pyo", line 113, in resf
File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement
File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression
KeyError: u'fo'
Traceback (most recent call last):
File "youtube_dl\YoutubeDL.pyo", line 516, in extract_info
File "youtube_dl\extractor\common.pyo", line 168, in extract
File "youtube_dl\extractor\youtube.pyo", line 1249, in _real_extract
File "youtube_dl\extractor\youtube.pyo", line 887, in _decrypt_signature
ExtractorError: Automatic signature extraction failed: Traceback (most recent ca
ll last):
File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature
File "youtube_dl\extractor\youtube.pyo", line 449, in
File "youtube_dl\jsinterp.pyo", line 113, in resf
File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement
File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression
KeyError: u'fo'
; 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 usin
g the latest version; type youtube-dl -U to update.

[download] Downloading video #2 of 2
[youtube] ATWrUIoxRkc: Downloading webpage
[youtube] ATWrUIoxRkc: Downloading video info webpage
[youtube] ATWrUIoxRkc: Extracting video information
[youtube] ATWrUIoxRkc: Encrypted signatures detected.
[youtube] encrypted signature length 84 (40.43), itag 43, html5 player en_US-vfl
0Cbn9e
[youtube] ATWrUIoxRkc: Downloading js player vfl0Cbn9e
WARNING: Writing cache to u'C:\Users\Eric Chilton/.cache\youtube-dl\youtube-
sigfuncs\js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last):
File "youtube_dl\extractor\youtube.pyo", line 391, in _extract_signature_funct
ion
File "youtube_dl\extractor\youtube.pyo", line 449, in
File "youtube_dl\jsinterp.pyo", line 113, in resf
File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement
File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression
KeyError: u'fo'

ERROR: Automatic signature extraction failed: Traceback (most recent call last):

File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature
File "youtube_dl\extractor\youtube.pyo", line 449, in
File "youtube_dl\jsinterp.pyo", line 113, in resf
File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement
File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression
KeyError: u'fo'
; 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 usin
g the latest version; type youtube-dl -U to update.
Traceback (most recent call last):
File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature
File "youtube_dl\extractor\youtube.pyo", line 449, in
File "youtube_dl\jsinterp.pyo", line 113, in resf
File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement
File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression
KeyError: u'fo'
Traceback (most recent call last):
File "youtube_dl\YoutubeDL.pyo", line 516, in extract_info
File "youtube_dl\extractor\common.pyo", line 168, in extract
File "youtube_dl\extractor\youtube.pyo", line 1249, in _real_extract
File "youtube_dl\extractor\youtube.pyo", line 887, in _decrypt_signature
ExtractorError: Automatic signature extraction failed: Traceback (most recent ca
ll last):
File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature
File "youtube_dl\extractor\youtube.pyo", line 449, in
File "youtube_dl\jsinterp.pyo", line 113, in resf
File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement
File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression
KeyError: u'fo'
; 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 usin
g the latest version; type youtube-dl -U to update.

@ericschilton commented on GitHub (Jul 15, 2014): I am seeing this in windows. # > "C:\Program Files (x86)\youtube-dl\youtube-dl.exe" - > i -c --verbose "http://www.youtube.com/playlist?list=PLbStlFp3rUuikYdgh8r9FLEb42 > 2KSApxW" --extract-audio --audio-format mp3 > [debug] System config: [] > [debug] User config: [] > [debug] Command-line args: ['-i', '-c', '--verbose', 'http://www.youtube.com/pla > ylist?list=PLbStlFp3rUuikYdgh8r9FLEb422KSApxW', '--extract-audio', '--audio-form > at', 'mp3'] > [debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252 > [debug] youtube-dl version 2014.07.11.3 > [debug] Python version 2.7.5 - Windows-7-6.1.7601-SP1 > [debug] Proxy map: {} > [youtube:playlist] PLbStlFp3rUuikYdgh8r9FLEb422KSApxW: Downloading webpage > [download] Downloading playlist: music > [youtube:playlist] playlist music: Collected 2 video ids (downloading 2 of them) [download] Downloading video #1 of 2 [youtube] Setting language [youtube] 5QrXISz7J7Y: Downloading webpage [youtube] 5QrXISz7J7Y: Downloading video info webpage [youtube] 5QrXISz7J7Y: Extracting video information [youtube] 5QrXISz7J7Y: Encrypted signatures detected. [youtube] encrypted signature length 82 (40.41), itag 43, html5 player en_US-vfl 0Cbn9e [youtube] 5QrXISz7J7Y: Downloading js player vfl0Cbn9e WARNING: Writing cache to u'C:\Users\Eric Chilton/.cache\youtube-dl\youtube- sigfuncs\js_vfl0Cbn9e_82.json' failed: Traceback (most recent call last): File "youtube_dl\extractor\youtube.pyo", line 391, in _extract_signature_funct ion File "youtube_dl\extractor\youtube.pyo", line 449, in <lambda> File "youtube_dl\jsinterp.pyo", line 113, in resf File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression KeyError: u'fo' ERROR: Automatic signature extraction failed: Traceback (most recent call last): File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature File "youtube_dl\extractor\youtube.pyo", line 449, in <lambda> File "youtube_dl\jsinterp.pyo", line 113, in resf File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression KeyError: u'fo' ; 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 usin g the latest version; type youtube-dl -U to update. Traceback (most recent call last): File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature File "youtube_dl\extractor\youtube.pyo", line 449, in <lambda> File "youtube_dl\jsinterp.pyo", line 113, in resf File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression KeyError: u'fo' Traceback (most recent call last): File "youtube_dl\YoutubeDL.pyo", line 516, in extract_info File "youtube_dl\extractor\common.pyo", line 168, in extract File "youtube_dl\extractor\youtube.pyo", line 1249, in _real_extract File "youtube_dl\extractor\youtube.pyo", line 887, in _decrypt_signature ExtractorError: Automatic signature extraction failed: Traceback (most recent ca ll last): File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature File "youtube_dl\extractor\youtube.pyo", line 449, in <lambda> File "youtube_dl\jsinterp.pyo", line 113, in resf File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression KeyError: u'fo' ; 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 usin g the latest version; type youtube-dl -U to update. [download] Downloading video #2 of 2 [youtube] ATWrUIoxRkc: Downloading webpage [youtube] ATWrUIoxRkc: Downloading video info webpage [youtube] ATWrUIoxRkc: Extracting video information [youtube] ATWrUIoxRkc: Encrypted signatures detected. [youtube] encrypted signature length 84 (40.43), itag 43, html5 player en_US-vfl 0Cbn9e [youtube] ATWrUIoxRkc: Downloading js player vfl0Cbn9e WARNING: Writing cache to u'C:\Users\Eric Chilton/.cache\youtube-dl\youtube- sigfuncs\js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last): File "youtube_dl\extractor\youtube.pyo", line 391, in _extract_signature_funct ion File "youtube_dl\extractor\youtube.pyo", line 449, in <lambda> File "youtube_dl\jsinterp.pyo", line 113, in resf File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression KeyError: u'fo' ERROR: Automatic signature extraction failed: Traceback (most recent call last): File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature File "youtube_dl\extractor\youtube.pyo", line 449, in <lambda> File "youtube_dl\jsinterp.pyo", line 113, in resf File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression KeyError: u'fo' ; 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 usin g the latest version; type youtube-dl -U to update. Traceback (most recent call last): File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature File "youtube_dl\extractor\youtube.pyo", line 449, in <lambda> File "youtube_dl\jsinterp.pyo", line 113, in resf File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression KeyError: u'fo' Traceback (most recent call last): File "youtube_dl\YoutubeDL.pyo", line 516, in extract_info File "youtube_dl\extractor\common.pyo", line 168, in extract File "youtube_dl\extractor\youtube.pyo", line 1249, in _real_extract File "youtube_dl\extractor\youtube.pyo", line 887, in _decrypt_signature ExtractorError: Automatic signature extraction failed: Traceback (most recent ca ll last): File "youtube_dl\extractor\youtube.pyo", line 883, in _decrypt_signature File "youtube_dl\extractor\youtube.pyo", line 449, in <lambda> File "youtube_dl\jsinterp.pyo", line 113, in resf File "youtube_dl\jsinterp.pyo", line 45, in interpret_statement File "youtube_dl\jsinterp.pyo", line 58, in interpret_expression KeyError: u'fo' ; 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 usin g the latest version; type youtube-dl -U to update.
deekerman commented 2026-02-21 00:25:34 -05:00
Author
Owner
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@eiriks commented on GitHub (Jul 15, 2014):

Same here, i think (OSX10.9.4):

"youtube-dl is up-to-date (2014.07.11.3)"

[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', '-i', '--extract-audio', '--audio-format', 'mp3', 'https://www.youtube.com/watch?v=U13xOvDa19U']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.07.11.3
[debug] Python version 2.7.5 - Darwin-13.3.0-x86_64-i386-64bit
[debug] Proxy map: {}
[youtube] Setting language
[youtube] U13xOvDa19U: Downloading webpage
[youtube] U13xOvDa19U: Downloading video info webpage
[youtube] U13xOvDa19U: Extracting video information
[youtube] U13xOvDa19U: Encrypted signatures detected.
[youtube] encrypted signature length 84 (40.43), itag 22, html5 player en_US-vfl0Cbn9e
[youtube] U13xOvDa19U: Downloading js player vfl0Cbn9e
WARNING: Writing cache to u'/Users/user/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function
cache_res = res(test_string)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'

ERROR: Automatic signature extraction failed: Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
; 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 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info
ie_result = ie.extract(url)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract
return self._real_extract(url)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature
u'Automatic signature extraction failed: ' + tb, cause=e)
ExtractorError: Automatic signature extraction failed: Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
; 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.

@eiriks commented on GitHub (Jul 15, 2014): Same here, i think (OSX10.9.4): "youtube-dl is up-to-date (2014.07.11.3)" [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['-v', '-i', '--extract-audio', '--audio-format', 'mp3', 'https://www.youtube.com/watch?v=U13xOvDa19U'] [debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2014.07.11.3 [debug] Python version 2.7.5 - Darwin-13.3.0-x86_64-i386-64bit [debug] Proxy map: {} [youtube] Setting language [youtube] U13xOvDa19U: Downloading webpage [youtube] U13xOvDa19U: Downloading video info webpage [youtube] U13xOvDa19U: Extracting video information [youtube] U13xOvDa19U: Encrypted signatures detected. [youtube] encrypted signature length 84 (40.43), itag 22, html5 player en_US-vfl0Cbn9e [youtube] U13xOvDa19U: Downloading js player vfl0Cbn9e WARNING: Writing cache to u'/Users/user/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function cache_res = res(test_string) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ERROR: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info ie_result = ie.extract(url) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract return self._real_extract(url) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract encrypted_sig, video_id, player_url, age_gate) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature u'Automatic signature extraction failed: ' + tb, cause=e) ExtractorError: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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 00:25:34 -05:00
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@josephef commented on GitHub (Jul 15, 2014):

will try installing rtmpdump. to see if that helps any :)

@josephef commented on GitHub (Jul 15, 2014): will try installing rtmpdump. to see if that helps any :)
deekerman commented 2026-02-21 00:25:34 -05:00
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@mrhmouse commented on GitHub (Jul 15, 2014):

Can confirm here as well, on Linux.

[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'https://www.youtube.com/watch?v=Z6Gz0tdzXvk']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.07.11.3
[debug] Python version 3.4.1 - Linux-3.15.5-1-ARCH-x86_64-with-arch
[debug] Proxy map: {}
WARNING: Writing cache to '/home/m/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last):
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function
cache_res = res(test_string)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: 'fo'

ERROR: Automatic signature extraction failed: Traceback (most recent call last):
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: 'fo'
; 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 "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: 'fo'
Traceback (most recent call last):
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: 'fo'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/lib/python3.4/site-packages/youtube_dl/YoutubeDL.py", line 516, in extract_info
ie_result = ie.extract(url)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/common.py", line 168, in extract
return self._real_extract(url)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 1249, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature
u'Automatic signature extraction failed: ' + tb, cause=e)
youtube_dl.utils.ExtractorError: Automatic signature extraction failed: Traceback (most recent call last):
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: 'fo'
; 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.

@mrhmouse commented on GitHub (Jul 15, 2014): Can confirm here as well, on Linux. > [debug] System config: [] > [debug] User config: [] > [debug] Command-line args: ['--verbose', 'https://www.youtube.com/watch?v=Z6Gz0tdzXvk'] > [debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8 > [debug] youtube-dl version 2014.07.11.3 > [debug] Python version 3.4.1 - Linux-3.15.5-1-ARCH-x86_64-with-arch > [debug] Proxy map: {} > WARNING: Writing cache to '/home/m/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last): > File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function > cache_res = res(test_string) > File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 449, in <lambda> > return lambda s: initial_function([s]) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 113, in resf > res = self.interpret_statement(stmt, local_vars) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 45, in interpret_statement > v = self.interpret_expression(expr, local_vars, allow_recursion) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 58, in interpret_expression > val = local_vars[m.group('in')] > KeyError: 'fo' > > ERROR: Automatic signature extraction failed: Traceback (most recent call last): > File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature > return func(s) > File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 449, in <lambda> > return lambda s: initial_function([s]) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 113, in resf > res = self.interpret_statement(stmt, local_vars) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 45, in interpret_statement > v = self.interpret_expression(expr, local_vars, allow_recursion) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 58, in interpret_expression > val = local_vars[m.group('in')] > KeyError: 'fo' > ; 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 "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature > return func(s) > File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 449, in <lambda> > return lambda s: initial_function([s]) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 113, in resf > res = self.interpret_statement(stmt, local_vars) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 45, in interpret_statement > v = self.interpret_expression(expr, local_vars, allow_recursion) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 58, in interpret_expression > val = local_vars[m.group('in')] > KeyError: 'fo' > Traceback (most recent call last): > File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature > return func(s) > File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 449, in <lambda> > return lambda s: initial_function([s]) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 113, in resf > res = self.interpret_statement(stmt, local_vars) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 45, in interpret_statement > v = self.interpret_expression(expr, local_vars, allow_recursion) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 58, in interpret_expression > val = local_vars[m.group('in')] > KeyError: 'fo' > > During handling of the above exception, another exception occurred: > > Traceback (most recent call last): > File "/usr/lib/python3.4/site-packages/youtube_dl/YoutubeDL.py", line 516, in extract_info > ie_result = ie.extract(url) > File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/common.py", line 168, in extract > return self._real_extract(url) > File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 1249, in _real_extract > encrypted_sig, video_id, player_url, age_gate) > File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature > u'Automatic signature extraction failed: ' + tb, cause=e) > youtube_dl.utils.ExtractorError: Automatic signature extraction failed: Traceback (most recent call last): > File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature > return func(s) > File "/usr/lib/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 449, in <lambda> > return lambda s: initial_function([s]) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 113, in resf > res = self.interpret_statement(stmt, local_vars) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 45, in interpret_statement > v = self.interpret_expression(expr, local_vars, allow_recursion) > File "/usr/lib/python3.4/site-packages/youtube_dl/jsinterp.py", line 58, in interpret_expression > val = local_vars[m.group('in')] > KeyError: 'fo' > ; 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 00:25:34 -05:00
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Owner
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@ghost commented on GitHub (Jul 15, 2014):

Fedora 20

[n0oir@localhost ~]$ youtube-dl --verbose https://www.youtube.com/watch?v=HsD8YjMz4qs
[debug] System config: ['--prefer-free-formats']
[debug] User config: []
[debug] Command-line args: ['--verbose', 'https://www.youtube.com/watch?v=HsD8YjMz4qs']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.07.11.3
[debug] Python version 2.7.5 - Linux-3.15.3-200.fc20.x86_64-x86_64-with-fedora-20-Heisenbug
[debug] Proxy map: {}
[youtube] Setting language
[youtube] HsD8YjMz4qs: Downloading webpage
[youtube] HsD8YjMz4qs: Downloading video info webpage
[youtube] HsD8YjMz4qs: Extracting video information
[youtube] HsD8YjMz4qs: Encrypted signatures detected.
[youtube] encrypted signature length 84 (40.43), itag 43, html5 player en_US-vfl0Cbn9e
[youtube] HsD8YjMz4qs: Downloading js player vfl0Cbn9e
WARNING: Writing cache to u'/home/n0oir/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last):
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function
cache_res = res(test_string)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'

ERROR: Automatic signature extraction failed: Traceback (most recent call last):
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
; 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 "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
Traceback (most recent call last):
File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info
ie_result = ie.extract(url)
File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract
return self._real_extract(url)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature
u'Automatic signature extraction failed: ' + tb, cause=e)
ExtractorError: Automatic signature extraction failed: Traceback (most recent call last):
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
; 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.

[n0oir@localhost ~]$ youtube-dl --version
2014.07.11.3
[n0oir@localhost ~]$

@ghost commented on GitHub (Jul 15, 2014): Fedora 20 [n0oir@localhost ~]$ youtube-dl --verbose https://www.youtube.com/watch?v=HsD8YjMz4qs [debug] System config: ['--prefer-free-formats'] [debug] User config: [] [debug] Command-line args: ['--verbose', 'https://www.youtube.com/watch?v=HsD8YjMz4qs'] [debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2014.07.11.3 [debug] Python version 2.7.5 - Linux-3.15.3-200.fc20.x86_64-x86_64-with-fedora-20-Heisenbug [debug] Proxy map: {} [youtube] Setting language [youtube] HsD8YjMz4qs: Downloading webpage [youtube] HsD8YjMz4qs: Downloading video info webpage [youtube] HsD8YjMz4qs: Extracting video information [youtube] HsD8YjMz4qs: Encrypted signatures detected. [youtube] encrypted signature length 84 (40.43), itag 43, html5 player en_US-vfl0Cbn9e [youtube] HsD8YjMz4qs: Downloading js player vfl0Cbn9e WARNING: Writing cache to u'/home/n0oir/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last): File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function cache_res = res(test_string) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ERROR: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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 "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' Traceback (most recent call last): File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info ie_result = ie.extract(url) File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract return self._real_extract(url) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract encrypted_sig, video_id, player_url, age_gate) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature u'Automatic signature extraction failed: ' + tb, cause=e) ExtractorError: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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. [n0oir@localhost ~]$ youtube-dl --version 2014.07.11.3 [n0oir@localhost ~]$
deekerman commented 2026-02-21 00:25:34 -05:00
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Owner
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@raindog469 commented on GitHub (Jul 15, 2014):

Linux here too.

[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--no-mtime', '--verbose', 'https://www.youtube.com/watch?v=KV-T8uQU0GQ']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.07.11.3
[debug] Python version 2.7.5+ - Linux-3.11.0-22-generic-x86_64-with-Ubuntu-13.10-saucy
[debug] Proxy map: {}
[youtube] Setting language
[youtube] KV-T8uQU0GQ: Downloading webpage
[youtube] KV-T8uQU0GQ: Downloading video info webpage
[youtube] KV-T8uQU0GQ: Extracting video information
[youtube] KV-T8uQU0GQ: Encrypted signatures detected.
[youtube] encrypted signature length 84 (40.43), itag 43, html5 player en_US-vfl0Cbn9e
[youtube] KV-T8uQU0GQ: Downloading js player vfl0Cbn9e
WARNING: Writing cache to u'/home/grue/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function
    cache_res = res(test_string)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
    res = self.interpret_statement(stmt, local_vars)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
    val = local_vars[m.group('in')]
KeyError: u'fo'

ERROR: Automatic signature extraction failed: Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
    return func(s)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
    res = self.interpret_statement(stmt, local_vars)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
    val = local_vars[m.group('in')]
KeyError: u'fo'
; 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 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
    return func(s)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
    res = self.interpret_statement(stmt, local_vars)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
    val = local_vars[m.group('in')]
KeyError: u'fo'
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract
    return self._real_extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract
    encrypted_sig, video_id, player_url, age_gate)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature
    u'Automatic signature extraction failed: ' + tb, cause=e)
ExtractorError: Automatic signature extraction failed: Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
    return func(s)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
    res = self.interpret_statement(stmt, local_vars)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
    val = local_vars[m.group('in')]
KeyError: u'fo'
; 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.


real    0m3.914s
user    0m0.920s
sys 0m0.107s
@raindog469 commented on GitHub (Jul 15, 2014): Linux here too. ``` [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['--no-mtime', '--verbose', 'https://www.youtube.com/watch?v=KV-T8uQU0GQ'] [debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2014.07.11.3 [debug] Python version 2.7.5+ - Linux-3.11.0-22-generic-x86_64-with-Ubuntu-13.10-saucy [debug] Proxy map: {} [youtube] Setting language [youtube] KV-T8uQU0GQ: Downloading webpage [youtube] KV-T8uQU0GQ: Downloading video info webpage [youtube] KV-T8uQU0GQ: Extracting video information [youtube] KV-T8uQU0GQ: Encrypted signatures detected. [youtube] encrypted signature length 84 (40.43), itag 43, html5 player en_US-vfl0Cbn9e [youtube] KV-T8uQU0GQ: Downloading js player vfl0Cbn9e WARNING: Writing cache to u'/home/grue/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function cache_res = res(test_string) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ERROR: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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 "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info ie_result = ie.extract(url) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract return self._real_extract(url) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract encrypted_sig, video_id, player_url, age_gate) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature u'Automatic signature extraction failed: ' + tb, cause=e) ExtractorError: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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. real 0m3.914s user 0m0.920s sys 0m0.107s ```
deekerman commented 2026-02-21 00:25:34 -05:00
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@avose commented on GitHub (Jul 15, 2014):

Same problem here on linux it looks like "Linux xxxx 3.8.0-35-generic #50-Ubuntu SMP Tue Dec 3 01:24:59 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux":

prompt$ ~/youtube-dl/youtube-dl --verbose http://www.youtube.com/watch?v=cKZMzZSguA0
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'http://www.youtube.com/watch?v=cKZMzZSguA0']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.07.11.3
[debug] Python version 2.7.4 - Linux-3.8.0-35-generic-x86_64-with-Ubuntu-13.04-raring
[debug] Proxy map: {}
[youtube] Setting language
[youtube] cKZMzZSguA0: Downloading webpage
[youtube] cKZMzZSguA0: Downloading video info webpage
[youtube] cKZMzZSguA0: Extracting video information
[youtube] cKZMzZSguA0: Encrypted signatures detected.
[youtube] encrypted signature length 84 (40.43), itag 22, html5 player en_US-vfl0Cbn9e
[youtube] cKZMzZSguA0: Downloading js player vfl0Cbn9e
WARNING: Writing cache to u'/home/avose/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last):
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function
cache_res = res(test_string)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'

ERROR: Automatic signature extraction failed: Traceback (most recent call last):
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
; 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 "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
Traceback (most recent call last):
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info
ie_result = ie.extract(url)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract
return self._real_extract(url)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature
u'Automatic signature extraction failed: ' + tb, cause=e)
ExtractorError: Automatic signature extraction failed: Traceback (most recent call last):
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
return func(s)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in
return lambda s: initial_function([s])
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
res = self.interpret_statement(stmt, local_vars)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
v = self.interpret_expression(expr, local_vars, allow_recursion)
File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'fo'
; 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.

@avose commented on GitHub (Jul 15, 2014): Same problem here on linux it looks like "Linux xxxx 3.8.0-35-generic #50-Ubuntu SMP Tue Dec 3 01:24:59 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux": prompt$ ~/youtube-dl/youtube-dl --verbose http://www.youtube.com/watch?v=cKZMzZSguA0 [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['--verbose', 'http://www.youtube.com/watch?v=cKZMzZSguA0'] [debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2014.07.11.3 [debug] Python version 2.7.4 - Linux-3.8.0-35-generic-x86_64-with-Ubuntu-13.04-raring [debug] Proxy map: {} [youtube] Setting language [youtube] cKZMzZSguA0: Downloading webpage [youtube] cKZMzZSguA0: Downloading video info webpage [youtube] cKZMzZSguA0: Extracting video information [youtube] cKZMzZSguA0: Encrypted signatures detected. [youtube] encrypted signature length 84 (40.43), itag 22, html5 player en_US-vfl0Cbn9e [youtube] cKZMzZSguA0: Downloading js player vfl0Cbn9e WARNING: Writing cache to u'/home/avose/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last): File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function cache_res = res(test_string) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ERROR: Automatic signature extraction failed: Traceback (most recent call last): File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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 "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' Traceback (most recent call last): File "/home/avose/youtube-dl/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info ie_result = ie.extract(url) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract return self._real_extract(url) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract encrypted_sig, video_id, player_url, age_gate) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature u'Automatic signature extraction failed: ' + tb, cause=e) ExtractorError: Automatic signature extraction failed: Traceback (most recent call last): File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/home/avose/youtube-dl/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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 00:25:34 -05:00
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@daryltucker commented on GitHub (Jul 15, 2014):

Linux Loki 3.5.0-52-generic #79~precise1-Ubuntu SMP Fri Jul 4 21:03:49 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

[daryl@Loki] ~/Videos$ youtube-dl https://www.youtube.com/watch?v=8Gv0H-vPoDc --verbose
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--audio-quality', '0', '-t', 'https://www.youtube.com/watch?v=8Gv0H-vPoDc', '--verbose']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.07.11.3
[debug] Python version 2.7.3 - Linux-3.5.0-52-generic-x86_64-with-Ubuntu-12.04-precise
[debug] Proxy map: {}
[youtube] Setting language
[youtube] 8Gv0H-vPoDc: Downloading webpage
[youtube] 8Gv0H-vPoDc: Downloading video info webpage
[youtube] 8Gv0H-vPoDc: Extracting video information
[youtube] 8Gv0H-vPoDc: Encrypted signatures detected.
[youtube] encrypted signature length 84 (40.43), itag 22, html5 player en_US-vfl0Cbn9e
WARNING: Writing cache to u'/home/daryl/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last):
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function
    cache_res = res(test_string)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
    res = self.interpret_statement(stmt, local_vars)
  File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
    val = local_vars[m.group('in')]
KeyError: u'fo'

ERROR: Automatic signature extraction failed: Traceback (most recent call last):
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
    return func(s)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
    res = self.interpret_statement(stmt, local_vars)
  File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
    val = local_vars[m.group('in')]
KeyError: u'fo'
; 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 "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
    return func(s)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
    res = self.interpret_statement(stmt, local_vars)
  File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
    val = local_vars[m.group('in')]
KeyError: u'fo'
Traceback (most recent call last):
  File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info
    ie_result = ie.extract(url)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract
    return self._real_extract(url)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract
    encrypted_sig, video_id, player_url, age_gate)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature
    u'Automatic signature extraction failed: ' + tb, cause=e)
ExtractorError: Automatic signature extraction failed: Traceback (most recent call last):
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature
    return func(s)
  File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda>
    return lambda s: initial_function([s])
  File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf
    res = self.interpret_statement(stmt, local_vars)
  File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement
    v = self.interpret_expression(expr, local_vars, allow_recursion)
  File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression
    val = local_vars[m.group('in')]
KeyError: u'fo'
; 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.
@daryltucker commented on GitHub (Jul 15, 2014): ``` Linux Loki 3.5.0-52-generic #79~precise1-Ubuntu SMP Fri Jul 4 21:03:49 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux [daryl@Loki] ~/Videos$ youtube-dl https://www.youtube.com/watch?v=8Gv0H-vPoDc --verbose [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['--audio-quality', '0', '-t', 'https://www.youtube.com/watch?v=8Gv0H-vPoDc', '--verbose'] [debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2014.07.11.3 [debug] Python version 2.7.3 - Linux-3.5.0-52-generic-x86_64-with-Ubuntu-12.04-precise [debug] Proxy map: {} [youtube] Setting language [youtube] 8Gv0H-vPoDc: Downloading webpage [youtube] 8Gv0H-vPoDc: Downloading video info webpage [youtube] 8Gv0H-vPoDc: Extracting video information [youtube] 8Gv0H-vPoDc: Encrypted signatures detected. [youtube] encrypted signature length 84 (40.43), itag 22, html5 player en_US-vfl0Cbn9e WARNING: Writing cache to u'/home/daryl/.cache/youtube-dl/youtube-sigfuncs/js_vfl0Cbn9e_84.json' failed: Traceback (most recent call last): File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 391, in _extract_signature_function cache_res = res(test_string) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ERROR: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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 "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' Traceback (most recent call last): File "/usr/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info ie_result = ie.extract(url) File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 168, in extract return self._real_extract(url) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1249, in _real_extract encrypted_sig, video_id, player_url, age_gate) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 887, in _decrypt_signature u'Automatic signature extraction failed: ' + tb, cause=e) ExtractorError: Automatic signature extraction failed: Traceback (most recent call last): File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 883, in _decrypt_signature return func(s) File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 449, in <lambda> return lambda s: initial_function([s]) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 113, in resf res = self.interpret_statement(stmt, local_vars) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 45, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/bin/youtube-dl/youtube_dl/jsinterp.py", line 58, in interpret_expression val = local_vars[m.group('in')] KeyError: u'fo' ; 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 00:25:34 -05:00
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@nayefc commented on GitHub (Jul 15, 2014):

Please stop reporting the bug. I'm sure the maintainer has got the message. The same exact error message is showing for everyone.

@nayefc commented on GitHub (Jul 15, 2014): Please stop reporting the bug. I'm sure the maintainer has got the message. The same exact error message is showing for everyone.
deekerman commented 2026-02-21 00:25:34 -05:00
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@jaimeMF commented on GitHub (Jul 15, 2014):

Thanks for the report, it will work in the next version. If you need it right now, you can get the source from the repo and use it.

@jaimeMF commented on GitHub (Jul 15, 2014): Thanks for the report, it will work in the next version. If you need it right now, you can get the source from the repo and use it.
deekerman commented 2026-02-21 00:25:34 -05:00
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@phihag commented on GitHub (Jul 15, 2014):

Fixed in youtube-dl 2014.07.15. Type youtube-dl -U (or sudo youtube-dl -U, depending on how you have installed youtube-dl and on what system) to update.

@phihag commented on GitHub (Jul 15, 2014): Fixed in youtube-dl 2014.07.15. Type `youtube-dl -U` (or `sudo youtube-dl -U`, depending on how you have installed youtube-dl and on what system) to update.
deekerman commented 2026-02-21 00:25:34 -05:00
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@kaushiksv commented on GitHub (Jul 22, 2014):

kaushik:Music$ youtube-dl --verbose -f 140 https://www.youtube.com/watch?v=voyxn7zsvGE
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', '-f', '140', 'https://www.youtube.com/watch?v=voyxn7zsvGE']
[debug] Encodings: locale 'UTF-8', fs 'UTF-8', out 'UTF-8', pref: 'UTF-8'
[debug] youtube-dl version 2014.02.21
[debug] Python version 2.7.3 - Linux-3.8.0-31-generic-x86_64-with-Ubuntu-12.04-precise
[debug] Proxy map: {}
[youtube] Setting language
[youtube] voyxn7zsvGE: Downloading webpage
[youtube] voyxn7zsvGE: Downloading video info webpage
[youtube] voyxn7zsvGE: Extracting video information
[youtube] voyxn7zsvGE: Encrypted signatures detected.
[youtube] encrypted signature length 80 (39.40), itag 43, html5 player en_US-vflpmBQMu
[youtube] voyxn7zsvGE: Downloading js player vflpmBQMu
WARNING: Writing cache to u'/home/kaushik/.cache/youtube-dl/youtube-sigfuncs/js_vflpmBQMu_80.json' failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 388, in _extract_signature_function
cache_res = res(test_string)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 18, html5 player en_US-vflpmBQMu
[youtube] voyxn7zsvGE: Downloading js player vflpmBQMu
WARNING: Writing cache to u'/home/kaushik/.cache/youtube-dl/youtube-sigfuncs/js_vflpmBQMu_82.json' failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 388, in _extract_signature_function
cache_res = res(test_string)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 5, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 36, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 17, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 87 (43.43), itag 135, html5 player en_US-vflpmBQMu
[youtube] voyxn7zsvGE: Downloading js player vflpmBQMu
WARNING: Writing cache to u'/home/kaushik/.cache/youtube-dl/youtube-sigfuncs/js_vflpmBQMu_87.json' failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 388, in _extract_signature_function
cache_res = res(test_string)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 87 (43.43), itag 244, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 87 (43.43), itag 134, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 87 (43.43), itag 243, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 87 (43.43), itag 133, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 87 (43.43), itag 242, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 87 (43.43), itag 160, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 87 (43.43), itag 140, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 87 (43.43), itag 171, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 135, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 244, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 134, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 243, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 133, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 242, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 160, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 140, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
[youtube] encrypted signature length 82 (41.40), itag 171, html5 player en_US-vflpmBQMu
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature
return func(s)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in
return lambda s: initial_function([s])
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf
res = interpret_statement(stmt, local_vars)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement
v = interpret_expression(expr, local_vars, allow_recursion)
File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression
val = local_vars[m.group('in')]
KeyError: u'lo'

WARNING: Warning: Falling back to static signature algorithm
ERROR: unable to download video data: HTTP Error 403: Forbidden
Traceback (most recent call last):
File "/opt/youtube-dl/youtube-dl/youtube_dl/YoutubeDL.py", line 953, in process_info
success = dl(filename, info_dict)
File "/opt/youtube-dl/youtube-dl/youtube_dl/YoutubeDL.py", line 929, in dl
return fd.download(name, info)
File "/opt/youtube-dl/youtube-dl/youtube_dl/downloader/common.py", line 290, in download
return self.real_download(filename, info_dict)
File "/opt/youtube-dl/youtube-dl/youtube_dl/downloader/http.py", line 52, in real_download
data = compat_urllib_request.urlopen(request)
File "/usr/lib/python2.7/urllib2.py", line 126, in urlopen
return _opener.open(url, data, timeout)
File "/usr/lib/python2.7/urllib2.py", line 406, in open
response = meth(req, response)
File "/usr/lib/python2.7/urllib2.py", line 519, in http_response
'http', request, response, code, msg, hdrs)
File "/usr/lib/python2.7/urllib2.py", line 444, in error
return self._call_chain(_args)
File "/usr/lib/python2.7/urllib2.py", line 378, in _call_chain
result = func(_args)
File "/usr/lib/python2.7/urllib2.py", line 527, in http_error_default
raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
HTTPError: HTTP Error 403: Forbidden

kaushik:Music$

@kaushiksv commented on GitHub (Jul 22, 2014): kaushik:Music$ youtube-dl --verbose -f 140 https://www.youtube.com/watch?v=voyxn7zsvGE [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['--verbose', '-f', '140', 'https://www.youtube.com/watch?v=voyxn7zsvGE'] [debug] Encodings: locale 'UTF-8', fs 'UTF-8', out 'UTF-8', pref: 'UTF-8' [debug] youtube-dl version 2014.02.21 [debug] Python version 2.7.3 - Linux-3.8.0-31-generic-x86_64-with-Ubuntu-12.04-precise [debug] Proxy map: {} [youtube] Setting language [youtube] voyxn7zsvGE: Downloading webpage [youtube] voyxn7zsvGE: Downloading video info webpage [youtube] voyxn7zsvGE: Extracting video information [youtube] voyxn7zsvGE: Encrypted signatures detected. [youtube] encrypted signature length 80 (39.40), itag 43, html5 player en_US-vflpmBQMu [youtube] voyxn7zsvGE: Downloading js player vflpmBQMu WARNING: Writing cache to u'/home/kaushik/.cache/youtube-dl/youtube-sigfuncs/js_vflpmBQMu_80.json' failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 388, in _extract_signature_function cache_res = res(test_string) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 18, html5 player en_US-vflpmBQMu [youtube] voyxn7zsvGE: Downloading js player vflpmBQMu WARNING: Writing cache to u'/home/kaushik/.cache/youtube-dl/youtube-sigfuncs/js_vflpmBQMu_82.json' failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 388, in _extract_signature_function cache_res = res(test_string) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 5, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 36, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 17, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 87 (43.43), itag 135, html5 player en_US-vflpmBQMu [youtube] voyxn7zsvGE: Downloading js player vflpmBQMu WARNING: Writing cache to u'/home/kaushik/.cache/youtube-dl/youtube-sigfuncs/js_vflpmBQMu_87.json' failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 388, in _extract_signature_function cache_res = res(test_string) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 87 (43.43), itag 244, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 87 (43.43), itag 134, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 87 (43.43), itag 243, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 87 (43.43), itag 133, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 87 (43.43), itag 242, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 87 (43.43), itag 160, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 87 (43.43), itag 140, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 87 (43.43), itag 171, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 135, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 244, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 134, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 243, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 133, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 242, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 160, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 140, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm [youtube] encrypted signature length 82 (41.40), itag 171, html5 player en_US-vflpmBQMu WARNING: Automatic signature extraction failed: Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 981, in _decrypt_signature return func(s) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 549, in <lambda> return lambda s: initial_function([s]) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 544, in resf res = interpret_statement(stmt, local_vars) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 479, in interpret_statement v = interpret_expression(expr, local_vars, allow_recursion) File "/opt/youtube-dl/youtube-dl/youtube_dl/extractor/youtube.py", line 492, in interpret_expression val = local_vars[m.group('in')] KeyError: u'lo' WARNING: Warning: Falling back to static signature algorithm ERROR: unable to download video data: HTTP Error 403: Forbidden Traceback (most recent call last): File "/opt/youtube-dl/youtube-dl/youtube_dl/YoutubeDL.py", line 953, in process_info success = dl(filename, info_dict) File "/opt/youtube-dl/youtube-dl/youtube_dl/YoutubeDL.py", line 929, in dl return fd.download(name, info) File "/opt/youtube-dl/youtube-dl/youtube_dl/downloader/common.py", line 290, in download return self.real_download(filename, info_dict) File "/opt/youtube-dl/youtube-dl/youtube_dl/downloader/http.py", line 52, in real_download data = compat_urllib_request.urlopen(request) File "/usr/lib/python2.7/urllib2.py", line 126, in urlopen return _opener.open(url, data, timeout) File "/usr/lib/python2.7/urllib2.py", line 406, in open response = meth(req, response) File "/usr/lib/python2.7/urllib2.py", line 519, in http_response 'http', request, response, code, msg, hdrs) File "/usr/lib/python2.7/urllib2.py", line 444, in error return self._call_chain(_args) File "/usr/lib/python2.7/urllib2.py", line 378, in _call_chain result = func(_args) File "/usr/lib/python2.7/urllib2.py", line 527, in http_error_default raise HTTPError(req.get_full_url(), code, msg, hdrs, fp) HTTPError: HTTP Error 403: Forbidden kaushik:Music$
deekerman commented 2026-02-21 00:25:34 -05:00
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@jaimeMF commented on GitHub (Jul 22, 2014):

@kaushiksv You are using an outdated version, run sudo youtube-dl -U to upgrade to 2014.07.15 or higher.

@jaimeMF commented on GitHub (Jul 22, 2014): @kaushiksv You are using an outdated version, run `sudo youtube-dl -U` to upgrade to 2014.07.15 or higher.
deekerman commented 2026-02-21 00:25:34 -05:00
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@Paul-2014 commented on GitHub (Jul 24, 2014):

Was getting the similar error. After uninstalling the existing one, re-installing the latest version ( 2014.07.24) resolved it. If "sudo youtube-dl -U" is not working, then just just follow the commands from - http://rg3.github.io/youtube-dl/download.html

@Paul-2014 commented on GitHub (Jul 24, 2014): Was getting the similar error. After uninstalling the existing one, re-installing the latest version ( 2014.07.24) resolved it. If "sudo youtube-dl -U" is not working, then just just follow the commands from - http://rg3.github.io/youtube-dl/download.html
deekerman commented 2026-02-21 00:25:34 -05:00
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@alex-ant commented on GitHub (Jul 24, 2014):

@jaimeMF thanks, updating solved the problem on Fedora 20

@alex-ant commented on GitHub (Jul 24, 2014): @jaimeMF thanks, updating solved the problem on Fedora 20
deekerman commented 2026-02-21 00:25:34 -05:00
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@kaushiksv commented on GitHub (Jul 24, 2014):

Thanks. Pulled recent code from master branch and did 'make all'. Sorry to
report without even updating! Dumb me.
On 23 Jul 2014 01:19, "Jaime Marquínez Ferrándiz" notifications@github.com
wrote:

@kaushiksv https://github.com/kaushiksv You are using an outdated
version, run sudo youtube-dl -U to upgrade to 2014.07.15 or higher.

—
Reply to this email directly or view it on GitHub
https://github.com/rg3/youtube-dl/issues/3255#issuecomment-49790988.

@kaushiksv commented on GitHub (Jul 24, 2014): Thanks. Pulled recent code from master branch and did 'make all'. Sorry to report without even updating! Dumb me. On 23 Jul 2014 01:19, "Jaime Marquínez Ferrándiz" notifications@github.com wrote: > @kaushiksv https://github.com/kaushiksv You are using an outdated > version, run sudo youtube-dl -U to upgrade to 2014.07.15 or higher. > > — > Reply to this email directly or view it on GitHub > https://github.com/rg3/youtube-dl/issues/3255#issuecomment-49790988.
deekerman commented 2026-02-21 00:25:34 -05:00
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@mirandole commented on GitHub (Oct 25, 2015):

Thank You !

@mirandole commented on GitHub (Oct 25, 2015): Thank You !
deekerman commented 2026-02-21 00:25:35 -05:00
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@mkthakral commented on GitHub (Dec 30, 2015):

Worked by updating it to "2015.12.29"

Command to check version: youtube-dl --version

@mkthakral commented on GitHub (Dec 30, 2015): Worked by updating it to "2015.12.29" Command to check version: youtube-dl --version
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2014.11.20.1
2014.11.20
2014.11.16
2014.11.15.1
2014.11.15
2014.11.14
2014.11.13.3
2014.11.13.2
2014.11.13.1
2014.11.13
2014.11.12.1
2014.11.12
2014.11.09
2014.11.04
2014.11.02.1
2014.11.02
2014.10.30
2014.10.29
2014.10.27
2014.10.26.2
2014.10.26.1
2014.10.26
2014.10.25
2014.10.24
2014.10.23
2014.10.18
2014.10.15
2014.10.13
2014.10.12
2014.10.05.2
2014.10.05.1
2014.10.05
2014.10.02
2014.09.29.2
2014.09.29.1
2014.09.29
2014.09.28.1
2014.09.28
2014.09.25
2014.09.24.1
2014.09.24
2014.09.22.1
2014.09.22
2014.09.19
2014.09.18
2014.09.16.1
2014.09.16
2014.09.15.1
2014.09.15
2014.09.14.3
2014.09.14.2
2014.09.14.1
2014.09.14
2014.09.12
2014.09.10.1
2014.09.10
2014.09.06
2014.09.04.3
2014.09.04.2
2014.09.04.1
2014.09.04
2014.09.01.2
2014.09.01.1
2014.09.01
2014.08.29
2014.08.28.2
2014.08.28.1
2014.08.28
2014.08.27.1
2014.08.27
2014.08.26
2014.08.25.3
2014.08.25.2
2014.08.25.1
2014.08.25
2014.08.24.6
2014.08.24.5
2014.08.24.4
2014.08.24.3
2014.08.24.2
2014.08.24.1
2014.08.24
2014.08.23
2014.08.22.3
2014.08.22.2
2014.08.22.1
2014.08.22
2014.08.21.3
2014.08.21.2
2014.08.21.1
2014.08.21
2014.08.10
2014.08.05
2014.08.02.1
2014.08.02
2014.07.30
2014.07.25.1
2014.07.25
2014.07.24
2014.07.23.2
2014.07.23.1
2014.07.23
2014.07.22
2014.07.21
2014.07.20.2
2014.07.20.1
2014.07.20
2014.07.15
2014.07.11.3
2014.07.11.2
2014.07.11.1
2014.07.11
2014.07.10
2014.06.26
2014.06.25
2014.06.24.1
2014.06.24
2014.06.19
2014.06.16
2014.06.09
2014.06.07
2014.06.04
2014.06.02
2014.05.31.4
2014.05.31.3
2014.05.31.2
2014.05.31.1
2014.05.31
2014.05.30.1
2014.05.30
2014.05.19
2014.05.17
2014.05.16.1
2014.05.16
2014.05.13
2014.05.12
2014.05.05
2014.04.30.1
2014.04.30
2014.04.21.6
2014.04.21.5
2014.04.21.4
2014.04.21.3
2014.04.21.2
2014.04.21.1
2014.04.21
2014.04.19
2014.04.13
2014.04.11.2
2014.04.11.1
2014.04.11
2014.04.07.4
2014.04.07.3
2014.04.07.2
2014.04.07.1
2014.04.07
2014.04.04.7
2014.04.04.6
2014.04.04.5
2014.04.04.4
2014.04.04.2
2014.04.04.3
2014.04.04.1
2014.04.04
2014.04.03.3
2014.04.03.2
2014.04.03.1
2014.04.03
2014.04.02
2014.04.01.3
2014.04.01.2
2014.04.01.1
2014.04.01
2014.03.30.1
2014.03.30
2014.03.29
2014.03.28
2014.03.27.1
2014.03.27
2014.03.25.1
2014.03.25
2014.03.24.5
2014.03.24.4
2014.03.24.3
2014.03.24.2
2014.03.24.1
2014.03.24
2013.03.24.2
2013.03.24.1
2013.03.24
2014.03.23
2014.03.21.5
2014.03.21.4
2014.03.21.3
2014.03.21.2
2014.03.21.1
2014.03.21
2014.03.20
2014.03.18.1
2014.03.18
2014.03.17
2014.03.12
2014.03.11
2014.03.10
2014.03.07.1
2014.03.07
2014.03.06
2014.03.04.2
2014.03.04.1
2014.03.04
2014.03.03
2014.02.28
2014.02.27.1
2014.02.27
2014.02.26
2014.02.25.1
2014.02.25
2014.02.24
2014.02.22.1
2014.02.22
2014.02.21.1
2014.02.21
2014.02.20
2014.02.19.1
2014.02.19
2014.02.17
2014.02.13
2014.02.10
2014.02.08.2
2014.02.08.1
2014.02.08
2014.02.06.3
2014.02.06.2
2014.02.06.1
2014.02.06
2014.02.05
2014.02.04.1
2014.02.04
2014.02.03.1
2014.02.03
2014.01.30.2
2014.01.30.1
2014.01.30
2014.01.29
2014.01.28.1
2014.01.28
2014.01.27.2
2014.01.27.1
2014.01.27
2014.01.23.4
2014.01.23.3
2014.01.23.2
2014.01.23.1
2014.01.23
2014.01.22.5
2014.01.22.4
2014.01.22.3
2014.01.22.2
2014.01.22.1
2014.01.22
2014.01.21.1
2014.01.21
2014.01.20
2014.01.17.2
2013.01.17.1
2013.01.17
2014.01.08
2014.01.07.5
2014.01.07.4
2014.01.07.3
2014.01.07.2
2014.01.07.1
2014.01.07
2014.01.06.1
2014.01.06
2014.01.05.6
2014.01.05.5
2014.01.05.4
2014.01.05.3
2014.01.05.1
2014.01.05
2014.01.03
2013.12.26
2013.12.23.4
2013.12.23.3
2013.12.23.2
2013.12.23.1
2013.12.23
2013.12.20
2013.12.17.2
2013.12.17.1
2013.12.17
2013.12.16.7
2013.12.16.6
2013.12.16.5
2013.12.16.4
2013.12.16.3
2013.12.16.2
2013.12.16.1
2013.12.16
2013.12.11.2
2013.12.11.1
2013.12.11
2013.12.10
2013.12.09.4
2013.12.09.3
2013.12.09.2
2013.12.09.1
2013.12.09
2013.12.08.1
2013.12.08
2013.12.04
2013.12.03
2013.12.02
2013.11.29
2013.11.28.1
2013.11.28
2013.11.26
2013.11.25.3
2013.11.25.2
2013.11.25.1
2013.11.25
2013.11.24.1
2013.11.24
2013.11.22.2
2013.11.22.1
2013.11.22
2013.11.21
2013.11.20
2013.11.19
2013.11.18.1
2013.11.18
2013.11.17
2013.11.15.1
2013.11.15
2013.11.13
2013.11.11
2013.11.07
2013.11.06.1
2013.11.06
2013.11.03
2013.11.02
2013.10.30
2013.10.29
2013.10.28
2013.10.23.2
2013.10.23.1
2013.10.23
2013.10.22
2013.10.18.2
2013.10.18.1
2013.10.18
2013.10.17
2013.10.15
2013.10.09
2013.10.07
2013.10.06
2013.10.04
2013.10.01.1
2013.10.01
2013.09.29
2013.09.24.2
2013.09.24.1
2013.09.24
2013.09.20.1
2013.09.20
2013.09.17
2013.09.16
2013.09.12
2013.11.09
2013.09.10
2013.09.07
2013.09.06.1
2013.09.06
2013.09.05
2013.09.04
2013.08.30
2013.08.29
2013.08.28.1
2013.08.28
2013.08.27
2013.08.23
2013.08.22
2013.08.21
2013.08.17
2013.08.15
2013.08.14
2013.08.09
2013.08.08.1
2013.08.08
2013.08.02
2013.07.31
2013.07.25.2
2013.07.25.1
2013.07.25
2013.07.24.2
2013.07.24.1
2013.07.24
2013.07.23.1
2013.07.23
2013.07.19
2013.07.18
2013.07.17.1
2013.07.17
2013.07.12
2013.07.11
2013.07.10
2013.07.08.1
2013.07.08
2013.07.07.01
2013.07.07
2013.07.05
2013.07.04
2013.07.02
2013.06.34.4
2013.06.34.3
2013.06.34.2
2013.06.34.1
2013.06.34
2013.06.33
2013.06.32
2013.06.31
2013.06.30
2013.06.29
2013.06.28
2013.06.27
2013.06.26
2013.06.25
2013.06.23
2013.06.21
2013.05.23
2013.05.14
2013.05.13
2013.05.10
2013.05.07
2013.05.06
2013.05.05
2013.05.04
2013.05.01
2013.04.31
2013.04.30
2013.04.28
2013.04.27
2013.04.22
2013.04.21
2013.04.18
2013.04.11
2013.04.03
2013.03.29
2013.02.25
2013.02.22
2012.02.22
2013.02.19
2013.02.18
2013.02.02
2013.02.01
2013.01.28
2013.01.27
2013.01.13
2013.01.12
2012.12.99
2013.01.11
2013.01.08
2013.01.06
2013.01.02
2012.12.11
2012.11.29
2012.11.28
2012.11.27
2012.11.17
2012.10.09
2012.09.27
2012.02.27
2012.02.26
2012.01.08b
2012.01.08
2012.01.05
2011.12.18
2011.12.15
2011.12.08
2011.11.23
2011.11.22
2011.11.21
2011.10.19
2011.09.30
2011.09.27
2011.09.18c
2011.09.18b
2011.09.18
2011.09.17
2011.09.16
2011.09.15
2011.09.14
2011.09.13
2011.08.04
2011.03.29
2011.02.25c
2011.02.25b
2011.02.25
2011.01.30
2010.12.09
2010.11.19
2010.10.24
2010.10.03
2010.08.04
2010.07.24
2010.07.22
2010.07.14
2010.06.06
2010.04.04
2010.04.03
2010.04.02
2010.03.13
2010.03.07
2010.02.13
2010.01.19
2010.01.06
2010.01.05
2009.12.26
2009.09.13
2009.09.08
2009.08.08
2009.06.29
2009.05.30
2009.05.25
2009.05.23
2009.05.13
2009.05.11
2009.04.25
2009.04.06
2009.03.28
2009.03.03
2009.02.07
2009.01.31
2008.11.01
2008.10.16
2008.09.20
2008.08.09
2008.07.22
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