Django rest serializer数据存在时中断 [英] Django rest serializer Breaks when data exists
问题描述
我有这个模型:
class MyModel(User):
#others fields
和此序列化程序:
class MySerializer(serializers.ModelSerializer):
class Meta:
model = MyModel
fields = ('username', 'password', 'some_field')
我从ajax获取数据以进行登录,我可以这样处理:
I get data from ajax to make a login and I handle it like this:
serializer = MySerializer(data=request.DATA)
print(serializer.is_valid())
问题:当我发送任何数据时,我的序列化器工作,但是当我的用户名字段
它必须是唯一的,因为用户模型
描述,与数据库中的序列号变为无效匹配,所以 serializer.is_valid()
return False
The problem: When I send any data my serializer works but when my username field
, which must be unique as User model
describe, matches with one at the database the serialize become invalid, so serializer.is_valid()
return False
为什么?不能创建一个序列化对象,其数据必须是唯一的,并且已经存在于数据库中?
Why? can not I create a serialize object with data which must be unique and already exists in the database?
推荐答案
因为你正在使用 ModelSerializer
它会自动生成序列化程序的验证器。您应该使用正常的 Serializer
类。
Because you are using ModelSerializer
which automatically generates validators for your serializer. You should use normal Serializer
class instead.
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