youtube-dl playlist downloading problem #8408

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opened 2026-02-21 04:21:56 -05:00 by deekerman · 1 comment

deekerman commented

2026-02-21 04:21:56 -05:00

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Originally created by @gauravjain99 on GitHub (Aug 10, 2016).

$ youtube-dl https://www.youtube.com/playlist?list=PLwPHfM4tydcmxAbNkOTOTK--aN5mKcsmZ
[youtube:playlist] PLwPHfM4tydcmxAbNkOTOTK--aN5mKcsmZ: Downloading webpage
[download] Downloading playlist: The Best of Latin Angels Music
[youtube:playlist] playlist The Best of Latin Angels Music: Downloading 28 videos
[download] Downloading video 1 of 28
[youtube] 6B19MhpSxPw: Downloading webpage
[youtube] 6B19MhpSxPw: Downloading video info webpage
[youtube] 6B19MhpSxPw: Extracting video information
[youtube] 6B19MhpSxPw: Downloading js player en_US-vflxMAwM7
ERROR: Signature extraction failed: Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 905, in _decrypt_signature
video_id, player_url, s
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 820, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 883, in _parse_sig_js
initial_function = jsi.extract_function(funcname)
File "/usr/lib/python2.7/dist-packages/youtube_dl/jsinterp.py", line 241, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)
ExtractorError: Could not find JS function u'hy'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
(caused by ExtractorError(u"Could not find JS function u'hy'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how 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; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

Originally created by @gauravjain99 on GitHub (Aug 10, 2016). $ youtube-dl https://www.youtube.com/playlist?list=PLwPHfM4tydcmxAbNkOTOTK--aN5mKcsmZ [youtube:playlist] PLwPHfM4tydcmxAbNkOTOTK--aN5mKcsmZ: Downloading webpage [download] Downloading playlist: The Best of Latin Angels Music [youtube:playlist] playlist The Best of Latin Angels Music: Downloading 28 videos [download] Downloading video 1 of 28 [youtube] 6B19MhpSxPw: Downloading webpage [youtube] 6B19MhpSxPw: Downloading video info webpage [youtube] 6B19MhpSxPw: Extracting video information [youtube] 6B19MhpSxPw: Downloading js player en_US-vflxMAwM7 ERROR: Signature extraction failed: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 905, in _decrypt_signature video_id, player_url, s File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 820, in _extract_signature_function res = self._parse_sig_js(code) File "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 883, in _parse_sig_js initial_function = jsi.extract_function(funcname) File "/usr/lib/python2.7/dist-packages/youtube_dl/jsinterp.py", line 241, in extract_function raise ExtractorError('Could not find JS function %r' % funcname) ExtractorError: Could not find JS function u'hy'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output. (caused by ExtractorError(u"Could not find JS function u'hy'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see https://yt-dl.org/update on how 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; see https://yt-dl.org/update on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

deekerman closed this issue

2026-02-21 04:21:58 -05:00

deekerman commented

2026-02-21 04:21:59 -05:00

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@dstftw commented on GitHub (Aug 10, 2016):

You are using an outdated version of youtube-dl. Read this FAQ entry if you have troubles updating.

@dstftw commented on GitHub (Aug 10, 2016): You are using an outdated version of youtube-dl. Read [this FAQ entry](https://yt-dl.org/update) if you have troubles updating.

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starred/youtube-dl-ytdl-org#8408

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