code: def __cmd_to_func(cmd):
      
      fiss_module = sys.modules[__name__]
      # Returns None if string is not a recognized FISS command
      func = getattr(fiss_module, cmd, None)
      if func and not hasattr(func, 'fiss_cmd'):
          func = None
      return func
docs: Returns the function object in this module matching cmd.