in _search_regex raise RegexNotFoundError(u'Unable to extract %s' % _name) #3453

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opened 2026-02-20 23:23:39 -05:00 by deekerman · 1 comment

deekerman commented

2026-02-20 23:23:39 -05:00

Owner

Originally created by @waynemcdougall on GitHub (Nov 16, 2014).

~$ youtube-dl --verbose --extract-audio --audio-format best https://www.youtube.com/watch?v=ZVNVsULajio
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', '--extract-audio', '--audio-format', 'b
est', 'https://www.youtube.com/watch?v=ZVNVsULajio']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.08.05
[debug] Python version 2.7.8 - Linux-3.16.0-24-generic-x86_64-with-Ubuntu-14.10-
utopic
[debug] Proxy map: {}
[youtube] Setting language
[youtube] ZVNVsULajio: Downloading webpage
[youtube] ZVNVsULajio: Downloading video info webpage
[youtube] ZVNVsULajio: Extracting video information
[youtube] ZVNVsULajio: Encrypted signatures detected.
[youtube] {43} signature length 40.42, html5 player en_US-vflM7pYrM
[youtube] ZVNVsULajio: Downloading js player vflM7pYrM
ERROR: Signature extraction failed: Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line
479, in _decrypt_signature
video_id, player_url, s
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line
383, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line
454, in _parse_sig_js
u'Initial JS player signature function name')
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 3
91, in _search_regex
raise RegexNotFoundError(u'Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract Initial JS player signature function name;
please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl
with the --verbose flag and include its complete output. Make sure you are using
the latest version; type youtube-dl -U to update.
; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl
with the --verbose flag and include its complete output. Make sure you are usin
g the latest version; type youtube-dl -U to update.
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line
479, in _decrypt_signature
video_id, player_url, s
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line
383, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line
454, in _parse_sig_js
u'Initial JS player signature function name')
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 3
91, in _search_regex
raise RegexNotFoundError(u'Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract Initial JS player signature function name;
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/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 516, in
extract_info
ie_result = ie.extract(url)
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 1
70, in extract
return self._real_extract(url)
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line
860, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line
489, in _decrypt_signature
u'Signature extraction failed: ' + tb, cause=e)
ExtractorError: Signature extraction failed: Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line
479, in _decrypt_signature
video_id, player_url, s
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line
383, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line
454, in _parse_sig_js
u'Initial JS player signature function name')
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 3
91, in _search_regex
raise RegexNotFoundError(u'Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract Initial JS player signature function name;
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

Originally created by @waynemcdougall on GitHub (Nov 16, 2014). ~$ youtube-dl --verbose --extract-audio --audio-format best https://www.youtube.com/watch?v=ZVNVsULajio [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['--verbose', '--extract-audio', '--audio-format', 'b est', 'https://www.youtube.com/watch?v=ZVNVsULajio'] [debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2014.08.05 [debug] Python version 2.7.8 - Linux-3.16.0-24-generic-x86_64-with-Ubuntu-14.10- utopic [debug] Proxy map: {} [youtube] Setting language [youtube] ZVNVsULajio: Downloading webpage [youtube] ZVNVsULajio: Downloading video info webpage [youtube] ZVNVsULajio: Extracting video information [youtube] ZVNVsULajio: Encrypted signatures detected. [youtube] {43} signature length 40.42, html5 player en_US-vflM7pYrM [youtube] ZVNVsULajio: Downloading js player vflM7pYrM ERROR: Signature extraction failed: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 479, in _decrypt_signature video_id, player_url, s File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 383, in _extract_signature_function res = self._parse_sig_js(code) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 454, in _parse_sig_js u'Initial JS player signature function name') File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 3 91, in _search_regex raise RegexNotFoundError(u'Unable to extract %s' % _name) RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update. ; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are usin g the latest version; type youtube-dl -U to update. Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 479, in _decrypt_signature video_id, player_url, s File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 383, in _extract_signature_function res = self._parse_sig_js(code) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 454, in _parse_sig_js u'Initial JS player signature function name') File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 3 91, in _search_regex raise RegexNotFoundError(u'Unable to extract %s' % _name) RegexNotFoundError: Unable to extract Initial JS player signature function name; 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/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 516, in extract_info ie_result = ie.extract(url) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 1 70, in extract return self._real_extract(url) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 860, in _real_extract encrypted_sig, video_id, player_url, age_gate) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 489, in _decrypt_signature u'Signature extraction failed: ' + tb, cause=e) ExtractorError: Signature extraction failed: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 479, in _decrypt_signature video_id, player_url, s File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 383, in _extract_signature_function res = self._parse_sig_js(code) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 454, in _parse_sig_js u'Initial JS player signature function name') File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 3 91, in _search_regex raise RegexNotFoundError(u'Unable to extract %s' % _name) RegexNotFoundError: Unable to extract Initial JS player signature function name; 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