code: def get_cmd_help(self):
          
          try:
              return self.help
          except AttributeError:
              pass
          try:
              return get_localized_docstring(
                  self, self.get_gettext_domain()
              ).splitlines()[0].rstrip('.').lower()
          except (AttributeError, IndexError, ValueError):
              pass
docs: Get the single-line help of this command.
  
          :returns:
              ``self.help``, if defined
          :returns:
              The first line of the docstring, without the trailing dot, if
              present.
          :returns:
              None, otherwise