[Safari books] Unable to download JSON metadata: HTTP Error 401: UNAUTHORIZED

[jitendravyas]

Trying to download a course from Safari website. Single video url works but course download don't work.

OS
macOS 10.12.1
Version info

❯❯❯❯ youtube-dl -v                                                 ~
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'-v']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2016.11.27
[debug] Python version 2.7.12 - Darwin-16.1.0-x86_64-i386-64bit
[debug] exe versions: ffmpeg 3.1.4, ffprobe 3.1.4
[debug] Proxy map: {}
Usage: youtube-dl [OPTIONS] URL [URL...]

Error

❯❯❯❯ youtube-dl https://www.safaribooksonline.com/library/view/designing-and-prototyping/9781771374538/
[safari:course] 9781771374538: Downloading course JSON
ERROR: Unable to download JSON metadata: HTTP Error 401: UNAUTHORIZED (caused by HTTPError()); 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.

Error with --verbose

❯❯❯❯ youtube-dl https://www.safaribooksonline.com/library/view/designing-and-prototyping/9781771374538/ --verbose
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'https://www.safaribooksonline.com/library/view/designing-and-prototyping/9781771374538/', u'--verbose']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2016.11.27
[debug] Python version 2.7.12 - Darwin-16.1.0-x86_64-i386-64bit
[debug] exe versions: ffmpeg 3.1.4, ffprobe 3.1.4
[debug] Proxy map: {}
[safari:course] 9781771374538: Downloading course JSON
ERROR: Unable to download JSON metadata: HTTP Error 401: UNAUTHORIZED (caused by HTTPError()); 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.
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 404, in _request_webpage
    return self._downloader.urlopen(url_or_request)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 2001, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "/usr/local/Cellar/python/2.7.12_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 435, in open
    response = meth(req, response)
  File "/usr/local/Cellar/python/2.7.12_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 548, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/local/Cellar/python/2.7.12_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 473, in error
    return self._call_chain(*args)
  File "/usr/local/Cellar/python/2.7.12_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 407, in _call_chain
    result = func(*args)
  File "/usr/local/Cellar/python/2.7.12_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/urllib2.py", line 556, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)

❯❯❯❯    
```                                                           ~

[dstftw]

You haven't provided account credentials.

[jitendravyas]

Thanks. It worked with password

but i got this error

[download] 50.7% of 15.58MiB at 24.91KiB/s ETA 05:15ERROR: content too short (expected 16331793 bytes and served 8282234)