Flask-restplus模型中不允许任何其他字段 [英] Do not allow any extra fields in Flask-restplus models

问题描述

我正在使用Flask Rest-plus模型来验证POST负载，但是如果存在任何额外/未知字段，我希望模型出错.

I am using Flask Rest-plus models to validate a POST payload, however the I want the model to error out if any extra/unknown fields are present.

正在使用的模型:

interface_config = api.model('Network Interface Validation', {
    'gateway': fields.String(required=True, description='Gateway IP'),
    'subnet': fields.String(required=True, description='Subnet IP'),
    'netmask': fields.String(required=True, description='Netmask'),
    'vlan_id': fields.Integer(required=True, description='VLAN ID'),
    'type': fields.String(required=True, description='IP Version')
})

我想对包含以下内容的有效载荷进行错误处理

I want to error out payload which contains:

 {
    "gateway": "172.22.191.129",
    "subnet": "172.22.191.128",
    "netmask": "255.255.255.128",
    "vlan_id": 887,
    "type": "static",
    "extra_key_name": "<some_str>"
}

推荐答案

一个人可以使用flask_restplus中的marshal函数来重用模型定义，并跳过多余的字段.

One can use the marshal function in flask_restplus, to reuse the model definition, and skip extra fields.

from flask_restplus import marshal
marshal(api.payload, schema, skip_none=True)

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