AttributeError：'set'对象在django中没有属性'items'

Question

我在 DRF 中进行自定义，以便在正文或标题中输入空值时给出错误响应值。然而，挤压代码后，测试结果出现以下错误。

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AttributeError：“set”对象没有属性“items”

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我不知道这个错误意味着什么，也不知道为什么会发生。你能告诉我我的代码有什么问题吗？这是我的代码。

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视图.py

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class CreatePostView (ModelViewSet) :\n    serializer_class = PostSerializer\n    permission_classes = [IsAuthenticated]\n    queryset = Post.objects.all()\n

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序列化器.py

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class PostSerializer (serializers.ModelSerializer) :\n    author = serializers.CharField(source='author.username', read_only=True)\n    title = serializers.CharField(allow_null=True)\n    text = serializers.CharField(allow_null=True)\n    image = ImageSerializer(many=True)\n\n    class Meta:\n        model = Post\n        fields = ['pk', 'author', 'title', 'text', 'like', 'liker', 'image', 'view']\n\n    def validate (self, attrs) :\n        title = attrs.get('title', '')\n        text = attrs.get('text', '')\n\n        error = {}\n\n        if title is None and text is None :\n            error['message'] = '\xec\xa0\x9c\xeb\xaa\xa9\xea\xb3\xbc \xeb\xb3\xb8\xeb\xac\xb8\xec\x9d\x84 \xeb\x84\xa3\xec\x96\xb4\xec\xa3\xbc\xec\x84\xb8\xec\x9a\x94.'\n            raise serializers.ValidationError(error)\n\n        if title is None  :\n            error['message'] = '\xec\xa0\x9c\xeb\xaa\xa9\xec\x9d\x84 \xeb\x84\xa3\xec\x96\xb4\xec\xa3\xbc\xec\x84\xb8\xec\x9a\x94.'\n            raise serializers.ValidationError(error)\n\n        if text is None :\n            error['message'] = '\xeb\xb3\xb8\xeb\xac\xb8\xec\x9d\x84 \xeb\x84\xa3\xec\x96\xb4\xec\xa3\xbc\xec\x84\xb8\xec\x9a\x94.'\n            raise serializers.ValidationError(error)\n\n        return attrs\n\n    def create (self, validated_data) :\n        return Post.objects.create(**validated_data)\n

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追溯

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Traceback (most recent call last):\n  File "C:\\Users\\kurak\\AppData\\Local\\Programs\\Python\\Python38-32\\lib\\site-packages\\django\\core\\handlers\\exception.py", line 34, in inner\n    response = get_response(request)\n  File "C:\\Users\\kurak\\AppData\\Local\\Programs\\Python\\Python38-32\\lib\\site-packages\\django\\core\\handlers\\base.py", line 115, in _get_response\n    response = self.process_exception_by_middleware(e, request)\n  File "C:\\Users\\kurak\\AppData\\Local\\Programs\\Python\\Python38-32\\lib\\site-packages\\django\\core\\handlers\\base.py", line 113, in _get_response\n    response = wrapped_callback(request, *callback_args, **callback_kwargs)\n  File "C:\\Users\\kurak\\AppData\\Local\\Programs\\Python\\Python38-32\\lib\\site-packages\\django\\views\\decorators\\csrf.py", line 54, in wrapped_view\n    return view_func(*args, **kwargs)\n  File "C:\\Users\\kurak\\AppData\\Local\\Programs\\Python\\Python38-32\\lib\\site-packages\\rest_framework\\viewsets.py", line 102, in view\n    for method, action in actions.items():\nAttributeError: 'set' object has no attribute 'items'\n

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urls.py

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from django.urls import path, include\nfrom .views import CreatePostView\nfrom django.conf import settings\nfrom django.conf.urls.static import static\n\nurlpatterns = [\n    path('post', CreatePostView.as_view({'post', 'create'})),\n] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)\n

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Answer 1

它应该{'post':'create'}代替{'post', 'create'}