在 django 过滤器后端传递模型的所有字段

Question

有什么方法可以 pass all the fields of a model to django filter backend 而无需显式传递 search_fields 和 filter_fields

中的字段名称

我制作了一个通用视图集，它序列化传递给它的模型的所有字段，但我在向它应用通用过滤器时遇到问题

例如，

class UserListView(generics.ListAPIView):
    queryset = User.objects.all()
    serializer_class = UserSerializer
    filter_backends = (filters.SearchFilter,)
    search_fields = ('username', 'email')

在上面的代码中，我们已经显式传递了 search_fields 但在我的代码中，我无法显式传递字段，因为每次都可能传递不同的模型。

Answer 1

我认为这样做不明智，因为某些字段会泄露敏感信息，但您可以尝试传递模型中的所有字段：

class UserListView(generics.ListAPIView):
    queryset = User.objects.all()
    serializer_class = UserSerializer
    filter_backends = (filters.SearchFilter,)
    search_fields = [f.name for f in User._meta.get_fields()]

Here are the docs 使用 get_fields:

Options.get_fields(include_parents=True, include_hidden=False)[source]

Returns a tuple of fields associated with a model. get_fields() accepts two parameters that can be used to control which fields are returned:

include_parents True by default. Recursively includes fields defined on parent classes. If set to False, get_fields() will only search for fields declared directly on the current model. Fields from models that directly inherit from abstract models or proxy classes are considered to be local, not on the parent.

include_hidden False by default. If set to True, get_fields() will include fields that are used to back other field’s functionality. This will also include any fields that have a related_name (such as ManyToManyField, or ForeignKey) that start with a “+”.

Answer 2

https://docs.djangoproject.com/en/1.10/ref/models/meta/

class UserListView(generics.ListAPIView):
    queryset = User.objects.all()
    serializer_class = UserSerializer
    filter_backends = (filters.SearchFilter,)
    search_fields = [field.name for field in User._meta.fields]

在 django 过滤器后端传递模型的所有字段

pass all fields of model in django filter backend

django

django-rest-framework

django-filter

django-filters

Options.get_fields(include_parents=True, include_hidden=False)[source]