Lib para fazer cli de forma fácil com objetos Python:
Instalando: pip install fire
https://github.com/google/python-fire
Guide: https://github.com/google/python-fire/blob/master/docs/guide.md
Exemplo básico
import fire
def hello(name="World"):
return "Hello %s!" % name
if __name__ == '__main__':
fire.Fire(hello)