Django Rest Framework, Query Dict is empty when using MultiPartParser

Question

I'm trying to upload images by using DRF:

I have simple serializer:

class ImageSerializer(serializers.ModelSerializer):
    class Meta:
        model = Image
        fields = ('file',)

This file field is simple ImageField in my model.

Then I have created viewset:

class ImagesViewSet(ModelViewSet):
    serializer_class = ImageSerializer
    queryset = Image.objects.all()
    permission_classes = (IsAuthenticated,)

    parser_classes = (MultiPartParser, FormParser)

    @action(methods=['post'], detail=False,
            permission_classes=[IsAuthenticated])
    def upload_avatar(self, request):
        print(request.data)
        return Response({"image": "ok"})

I just want to print what I'm trying to upload.

After makeing request to upload data:

My Query Dict returns me:

<QueryDict: {}>

Is it bug? Or I did miss something?

Version of DRF: 3.8.2

Django: 2.0.6

It may be postman bug. try to remove Content-Type from request header in postman before sending request. Sometime postman doesn't set correct header(content type).that may be the problem. — Kaushal
– Kaushal, Commented Jun 23, 2018 at 14:20
It may be postman bug. try to remove Content-Type from request header in postman before sending request. — Kaushal
– Kaushal, Commented Jun 23, 2018 at 14:22
@Kaushal. It worked. Strange. This is very annoying error. Please can you write it as an answer so I could accept it? — Mr.D
– Mr.D, Commented Jun 23, 2018 at 14:28

Kaushal · Accepted Answer · 2018-06-23 14:30:05Z

3

It may be postman bug. try to remove Content-Type from request header in postman before sending request.

Sometime postman doesn't set correct header(content type).that may be the problem.

answered Jun 23, 2018 at 14:30

Kaushal

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Comments

Misachi · Accepted Answer · 2018-06-23 14:09:16Z

1

How about django's request.FILES instead of request.data?? Django Docs File Uploads says

When Django handles a file upload, the file data ends up placed in request.FILES..

answered Jun 23, 2018 at 14:09

Misachi

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