from schemer import Schema

def func(account, password):

    request_params = {

        'account': account,

        'password': password,

        'name': '卢'

    }

    param_schema = Schema({

        'account': {'type': basestring, 'required': True},

        'password': {'type': basestring, 'required': True},

    },  strict=False)   # strict=False 可以允许多传递参数

    param_schema.validate(request_params)  # 检测不通过直接抛异常

    param_schema.apply_defaults(request_params)  # attach 默认值

if __name__ == '__main__':

    func('111','222')