Bác có thể dùng 1 số trang web chuyên download Youtube ví dụ như SaveFrom.net :). Nếu Download ko thường xuyên thì cách này hiệu quả hơn :) Vào 18:44:22 UTC+7 Thứ Bảy, ngày 25 tháng 6 năm 2016, maikhai đã viết: > Trước nay mình dùng youtube-dl tải các file nhạc trên youtube là vô tư, nhưng > bây giờ gặp trục trặc: > > [tada@a3che ~]$ youtube-dl https://www.youtube.com/watch?v=1s_QT4HVqOI > [youtube] 1s_QT4HVqOI: Downloading webpage > [youtube] 1s_QT4HVqOI: Downloading video info webpage > [youtube] 1s_QT4HVqOI: Extracting video information > [youtube] 1s_QT4HVqOI: Downloading js player en_US-vflLyLvKU > ERROR: Signature extraction failed: Traceback (most recent call last): > File "/usr/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", > line 997, in _decrypt_signature > video_id, player_url, s > File "/usr/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", > line 912, in _extract_signature_function > res = self._parse_sig_js(code) > File "/usr/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", > line 975, in _parse_sig_js > initial_function = jsi.extract_function(funcname) > File "/usr/lib/python3.5/site-packages/youtube_dl/jsinterp.py", line 241, > in extract_function > raise ExtractorError('Could not find JS function %r' % funcname) > youtube_dl.utils.ExtractorError: Could not find JS function 'ur'; 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 'ur'; 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. > [tada@a3che ~]$ > > Đã có làm theo hướng dẫn ở > http://rg3.github.io/youtube-dl/download.html > nhưng vẫn không fix được. > > Làm theo một hướng dẫn khác thì: > [root@a3che tada]# youtube-dl -U > It looks like you installed youtube-dl with a package manager, pip, setup.py > or a tarball. Please use that to update. > > Làm gì tiếp đây?
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