[eschwartz]

Originally Posted by kjonca

I have problem with calibredb on remote server ( calibredb (calibre 3.1.1) )
calibredb --with-library='http://localhost:8080/#library_id=CalibreLibrary' list
gives me:

DeDRM v6.1.0: In __init__
DeDRM v6.1.0: In load_resources
DeDRM v6.1.0: verdir /home/kjonca/.config/calibre/plugins/DeDRM/6.1.0
DeDRM v6.1.0: In initialize
Traceback (most recent call last):
  File "/usr/bin/calibredb", line 20, in <module>
    sys.exit(main())
  File "/usr/lib/calibre/calibre/db/cli/main.py", line 251, in main
    return run_cmd(cmd, opts, args[1:], DBCtx(opts))
  File "/usr/lib/calibre/calibre/db/cli/main.py", line 55, in run_cmd
    ret = m.main(opts, args, dbctx)
  File "/usr/lib/calibre/calibre/db/cli/cmd_list.py", line 324, in main
    for_machine=opts.for_machine
  File "/usr/lib/calibre/calibre/db/cli/cmd_list.py", line 150, in do_list
    ans = dbctx.run('list', fields, sort_by, ascending, search_text, limit)
  File "/usr/lib/calibre/calibre/db/cli/main.py", line 189, in run
    return self.remote_run(name, m, *args)
  File "/usr/lib/calibre/calibre/db/cli/main.py", line 209, in remote_run
    res = self.br.open_novisit(rq)
  File "/usr/lib/python2.7/dist-packages/mechanize/_mechanize.py", line 199, in open_novisit
    return self._mech_open(url, data, visit=False, timeout=timeout)
  File "/usr/lib/python2.7/dist-packages/mechanize/_mechanize.py", line 230, in _mech_open
    response = UserAgentBase.open(self, request, data)
  File "/usr/lib/python2.7/dist-packages/mechanize/_opener.py", line 193, in open
    response = urlopen(self, req, data)
  File "/usr/lib/python2.7/dist-packages/mechanize/_urllib2_fork.py", line 344, in _open
    '_open', req)
  File "/usr/lib/python2.7/dist-packages/mechanize/_urllib2_fork.py", line 332, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.7/dist-packages/mechanize/_urllib2_fork.py", line 1142, in http_open
    return self.do_open(httplib.HTTPConnection, req)
  File "/usr/lib/python2.7/dist-packages/mechanize/_urllib2_fork.py", line 1115, in do_open
    h.request(req.get_method(), req.get_selector(), req.data, headers)
  File "/usr/lib/python2.7/httplib.py", line 1042, in request
    self._send_request(method, url, body, headers)
  File "/usr/lib/python2.7/httplib.py", line 1082, in _send_request
    self.endheaders(body)
  File "/usr/lib/python2.7/httplib.py", line 1038, in endheaders
    self._send_output(message_body)
  File "/usr/lib/python2.7/httplib.py", line 880, in _send_output
    msg += message_body
UnicodeDecodeError: 'utf8' codec can't decode byte 0x95 in position 0: invalid start byte

Your distro version of calibre appears to be using an outdated version of python2-mechanize.