PYTHON

get query param in django

class FilterMealList(views.APIView):

    def get(self, request, **kwargs):
        user_id = self.kwargs['user_id']
        from_time = self.request.GET.get('from_time')
        to_time = self.request.GET.get('to_time')
        from_date = self.request.GET.get('from_date')
        to_date = self.request.GET.get('to_date')
        # …

how to use query_params in get_object djangorestframework

# generics.py
class GenericAPIView(APIView):
    ...
    def dispatch(self, request, *args, **kwargs):
        lookup_param = request.GET.get(self.lookup_field, None)
        if lookup_param:
            kwargs[lookup_field] = lookup_param
        return Super(GenericAPIView, self).dispatch(request, *args, **kwargs)
    ...