docs: def simple_cmd():
      """
      ``Deprecated``: Not better than ``fire`` -> pip install fire
      """
      parser = argparse.ArgumentParser(
          prog="Simple command-line function toolkit.",
          description="""Input function name and args and kwargs.
          python xxx.py main -a 1 2 3 -k a=1,b=2,c=3""",
      )
      parser.add_argument("-f", "--func_name", default="main")
      parser.add_argument("-a", "--args", dest="args", nargs="*")
      parser.add_argument("-k", "--kwargs", dest="kwargs")
      parser.add_argument(
          "-i",
          "-s",
          "--info",
          "--show",
          "--status",
          dest="show",
          action="store_true",
          help="show the args, kwargs and function's source code.",
      )
      params = parser.parse_args()
      func_name = params.func_name
      func = globals().get(func_name)
      if not (callable(func)):
          Config.utils_logger.warning("invalid func_name: %s" % func_name)
          return
      args = params.args or []
      kwargs = params.kwargs or {}
      if kwargs:
          items = [re.split("[:=]", i) for i in re.split("[,;]+", kwargs)]
          kwargs = dict(items)
      if params.show:
          from inspect import getsource
  
          Config.utils_logger.info("args: %s; kwargs: %s" % (args, kwargs))
          Config.utils_logger.info(getsource(func))
          return
      func(*args, **kwargs)