我想知道在Python中指示无效参数组合的最佳实践.我在几种情况下遇到过这样的函数:
def import_to_orm(name, save=False, recurse=False):
"""
:param name: Name of some external entity to import.
:param save: Save the ORM object before returning.
:param recurse: Attempt to import associated objects as well. Because you
need the original object to have a key to relate to, save must be
`True` for recurse to be `True`.
:raise BadValueError: If `recurse and not save`.
:return: The ORM object.
"""
pass
唯一令人恼火的是,每个包都有自己的包,通常略有不同的BadValueError
个包.我知道Java中有java.lang.IllegalArgumentException
--大家都知道每个人都会用Python创建自己的BadValueError
,还是有另一种首选的方法?