
def attrgetter(*items): if len(items) == 1: attr = items[0] def g(obj): return resolve_attr(obj, attr) else: def g(obj): return tuple(resolve_attr(obj, attr) for attr in items) return g def resolve_attr(obj, attr): for name in attr.split("."): obj = getattr(obj, name) return obj 1 lolizeppelin 2017-08-03 16:35:12 +08:00 via Android g 是闭包 |
2 pppy OP @lolizeppelin 看错了 明白了 |