code: def main():
      # type: () -> typing.Any
      
      colorama.init(wrap=six.PY3)
      doc = usage.get_primary_command_usage()
      allow_subcommands = '<command>' in doc
      args = docopt(doc, version=settings.version,
                    options_first=allow_subcommands)
      if sys.excepthook is sys.__excepthook__:
          sys.excepthook = log.excepthook
      try:
          log.enable_logging(log.get_log_level(args))
          default_args = sys.argv[2 if args.get('<command>') else 1:]
          if (args.get('<command>') == 'help' and
                  None not in settings.subcommands):
              subcommand = next(iter(args.get('<args>', default_args)), None)
              return usage.get_help_usage(subcommand)
          argv = [args.get('<command>')] + args.get('<args>', default_args)
          return _run_command(argv)
      except exc.InvalidCliValueError as e:
          return str(e)
docs: Parse the command line options and launch the requested command.
  
      If the command is 'help' then print the help message for the subcommand; if
      no subcommand is given, print the standard help message.