renderers.py 文件源码

def default(self, o):
        # for Enum Type
        if isinstance(o, enum.Enum):
            return o.value

        # for Enum Select Integer
        if isinstance(o, EnumInt):
            return o.key

        if isinstance(o, (datetime, date)):
            return o.isoformat()

        if isinstance(o, Decimal):
            return _number_str(o)

        if isinstance(o, ObjectId):
            return str(o)

        return super(JSONEncoder, self).default(o)