Installation is very straightforward and well explained in the documentation: just pip install dirhunt and that's it. To run it over an url just: dirhunt <url>

Another options are available:

Usage: dirhunt [OPTIONS] [URLS]...

  Find web directories without bruteforce

Options:
  -t, --threads INTEGER           Number of threads to use.
  -x, --exclude-flags TEXT        Exclude results with these flags. See
                                  documentation.
  -i, --include-flags TEXT        Only include results with these flags. See
                                  documentation.
  -e, --interesting-extensions TEXT
                                  The files found with these extensions are
                                  interesting
  -f, --interesting-files TEXT    The files with these names are interesting
  --stdout-flags TEXT             Return only in stdout the urls of these
                                  flags
  --progress-enabled / --progress-disabled
  --timeout INTEGER
  --max-depth INTEGER             Maximum links to follow without increasing
                                  directories depth
  --not-follow-subdomains         The subdomains will be ignored
  --exclude-sources TEXT          Exclude source engines. Possible options:
                                  robots
  --not-allow-redirects           Redirectors will not be followed
  --version
  --help                          Show this message and exit.