How to specify a query parameter serializer in django-rest-swagger?

Question

I'm using Django REST Framework with django-rest-swagger to create browsable interface for my API. I can specify a request body serializer using YAML docstring, but I haven't found a way to specify a serializer for request query parameters. The view I am using is pretty like:

class ListBans(BaseBanView):

    def get(self, request):
        """
        List all profile bans
        ---
        response_serializer: backend_serializers.BanSerializer
        request_serializer: moderator_serializers.ListBansSerializer
        """
        serializer = moderator_serializers.ListBansSerializer(data=request.query_params)
        if serializer.is_valid(raise_exception=True):
            # query profile bans
            data = []
            return APIResponse(status=status.HTTP_200_OK, data=data)

class ListBansSerializer(serializers.Serializer):
    limit = serializers.IntegerField(default=10, help_text='query limit')
    offset = serializers.IntegerField(default=0, help_text='query offset')

what I am trying to achieve is to make django-rest-swagger create form fields for query parameters from ListBansSerializer so that I wouldn't have to specify the parameters section manually in the docstring. Is there a way to do that?

Ivan Gromov · Accepted Answer · 2016-06-14 10:52:58Z

I've created a simple decorator that automatically appends query parameters to the docstring. The source is available at github. Here's a usage example:

class ListBansSerializer(serializers.Serializer):
    limit = serializers.IntegerField(default=10, help_text='query limit')
    offset = serializers.IntegerField(default=0, help_text='query offset')


class ListBans(BaseBanView):
    @add_query_parameters(ListBansSerializer)
    def get(self, request):
        """
        List all profile bans
        ---
        response_serializer: backend_serializers.BanSerializer
        """
        serializer = moderator_serializers.ListBansSerializer(data=request.query_params)
        if serializer.is_valid(raise_exception=True):
            # query profile bans
            data = []
            return APIResponse(status=status.HTTP_200_OK, data=data)

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