Bug report: dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name

[rr62]

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If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

bug-report

C:\downloads>youtube-dl.exe --verbose https://youtu.be/QOewH5sMwXk
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--verbose', 'https://youtu.be/QOewH5sMwXk']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2018.07.10
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.17134
[debug] exe versions: ffmpeg N-83410-gb1e2192, ffprobe N-83410-gb1e2192
[debug] Proxy map: {}
[youtube] QOewH5sMwXk: Downloading webpage
[youtube] QOewH5sMwXk: Downloading video info webpage
WARNING: unable to extract html5 player; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
[youtube] {18} signature length 43.43, html5 player None
[youtube] QOewH5sMwXk: Downloading player https://www.youtube.com/yts/jsbin/player_ias-vflq4d8Te/en_US/base.js
ERROR: Signature extraction failed: Traceback (most recent call last):
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1210, in _decrypt_signature
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1121, in _extract_signature_function
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1182, in _parse_sig_js
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\common.py", line 972, in _search_regex
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
(caused by RegexNotFoundError('Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.',)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1210, in _decrypt_signature
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1121, in _extract_signature_function
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1182, in _parse_sig_js
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\common.py", line 972, in _search_regex
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1210, in _decrypt_signature
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1121, in _extract_signature_function
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1182, in _parse_sig_js
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\common.py", line 972, in _search_regex
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\YoutubeDL.py", line 792, in extract_info
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\common.py", line 502, in extract
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1803, in _real_extract
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1220, in _decrypt_signature
youtube_dl.utils.ExtractorError: Signature extraction failed: Traceback (most recent call last):
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1210, in _decrypt_signature
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1121, in _extract_signature_function
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\youtube.py", line 1182, in _parse_sig_js
File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp4etivjk5\build\youtube_dl\extractor\common.py", line 972, in _search_regex
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
(caused by RegexNotFoundError('Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.',)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.