impossible to download a video from youtube

[edouardduliege]

Hi,

I use youtube-dl on Fedora 29:

[root@localhost ~]# dnf info youtube-dl
Paquets installés
Nom : youtube-dl
Version : 2018.12.17
Publication : 1.fc29

I have this error when I try to download a video from youtube:

[edouard@localhost Téléchargements]$ youtube-dl M0OAALb9WPo --verbose
[debug] System config: ['--prefer-free-formats']
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['M0OAALb9WPo', '--verbose']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2018.12.17
[debug] Python version 3.7.2 (CPython) - Linux-4.20.3-200.fc29.x86_64-x86_64-with-fedora-29-Twenty_Nine
[debug] exe versions: ffmpeg 4.0.3, ffprobe 4.0.3
[debug] Proxy map: {}
[youtube] M0OAALb9WPo: Downloading webpage
[youtube] M0OAALb9WPo: 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; 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.
[youtube] {22} signature length 40.40, html5 player None
[youtube] M0OAALb9WPo: Downloading player https://www.youtube.com/yts/jsbin/player_ias-vflSfmvrF/en_US/base.js
ERROR: Signature extraction failed: Traceback (most recent call last):
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1226, in _decrypt_signature
video_id, player_url, s
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1134, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1201, in _parse_sig_js
initial_function = jsi.extract_function(funcname)
File "/usr/lib/python3.7/site-packages/youtube_dl/jsinterp.py", line 245, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)
youtube_dl.utils.ExtractorError: Could not find JS function 'encodeURIComponent'; 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("Could not find JS function 'encodeURIComponent'; 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.
Traceback (most recent call last):
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1226, in _decrypt_signature
video_id, player_url, s
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1134, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1201, in _parse_sig_js
initial_function = jsi.extract_function(funcname)
File "/usr/lib/python3.7/site-packages/youtube_dl/jsinterp.py", line 245, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)
youtube_dl.utils.ExtractorError: Could not find JS function 'encodeURIComponent'; 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.
Traceback (most recent call last):
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1226, in _decrypt_signature
video_id, player_url, s
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1134, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1201, in _parse_sig_js
initial_function = jsi.extract_function(funcname)
File "/usr/lib/python3.7/site-packages/youtube_dl/jsinterp.py", line 245, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)
youtube_dl.utils.ExtractorError: Could not find JS function 'encodeURIComponent'; 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.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/lib/python3.7/site-packages/youtube_dl/YoutubeDL.py", line 792, in extract_info
ie_result = ie.extract(url)
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/common.py", line 508, in extract
ie_result = self._real_extract(url)
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1847, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1236, in _decrypt_signature
'Signature extraction failed: ' + tb, cause=e)
youtube_dl.utils.ExtractorError: Signature extraction failed: Traceback (most recent call last):
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1226, in _decrypt_signature
video_id, player_url, s
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1134, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/lib/python3.7/site-packages/youtube_dl/extractor/youtube.py", line 1201, in _parse_sig_js
initial_function = jsi.extract_function(funcname)
File "/usr/lib/python3.7/site-packages/youtube_dl/jsinterp.py", line 245, in extract_function
raise ExtractorError('Could not find JS function %r' % funcname)
youtube_dl.utils.ExtractorError: Could not find JS function 'encodeURIComponent'; 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("Could not find JS function 'encodeURIComponent'; 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.