marshmallow_dataclass:从数据类自动生成棉花糖模式

棉花糖数据类 从数据类自动生成模式。 from dataclasses import dataclass , field from typing import List , Optional import marshmallow_dataclass import marshmallow . validate @ dataclass class Building : # field metadata is used to instantiate the marshmallow field height : float = field ( metadata = { "validate" : marshmallow . validate . Range ( min = 0 )}) name : str = field ( default = "anonymous" )