code: def gather_command_line_options(filter_disabled=None):
      
      if filter_disabled is None:
          filter_disabled = not SETTINGS.COMMAND_LINE.SHOW_DISABLED_OPTIONS
      options = [opt for opt in get_inheritors(CommandLineOption)
                 if not filter_disabled or opt._enabled]
      return sorted(options, key=lambda opt: opt.__name__)
docs: Get a sorted list of all CommandLineOption subclasses.