resources:

class BlueprintResource(ModelResource):
    # workloads = ManyToManyField(Workload, 'workloads')
    workloads = fields.ManyToManyField('catalog.api.WorkloadResource', attribute='workloads',
                                        full=True, null=True)

    def obj_create(self, bundle, request=None, **kwargs):
        return super(BlueprintResource, self).obj_create(bundle, request)

    def obj_update(self, bundle, request=None, **kwargs):

        blueprint = Blueprint.objects.get(id=kwargs.get("pk"))
        blueprint.description = bundle.data.get("description")
        blueprint.name = bundle.data.get("name")
        blueprint.workloads = bundle.data.get("workloads")
        blueprint.save()

    def obj_delete(self, bundle, **kwargs):

        return super(BlueprintResource, self).obj_delete(bundle)

    class Meta:
        queryset = Blueprint.objects.all()
        resource_name = 'blueprint'
        authorization = Authorization()


class WorkloadResource(ModelResource):
    # blueprints = ManyToManyField(Blueprint, 'blueprints')
    blueprints = fields.ManyToManyField('catalog.api.BlueprintResource', attribute='blueprints',
                                        related_name='workloads', full=True, null=True)

    def obj_create(self, bundle, request=None, **kwargs):
        return super(WorkloadResource, self).obj_create(bundle, request)

    def obj_update(self, bundle, request=None, **kwargs):

        workload = Workload.objects.get(id=kwargs.get("pk"))
        workload.description = bundle.data.get("description")
        workload.name = bundle.data.get("name")
        workload.image = bundle.data.get("image")
        workload.flavor = bundle.data.get("flavor")
        workload.save()

        def obj_delete(self, bundle, **kwargs):

            return super(WorkloadResource, self).obj_delete(bundle)

        def determine_format(self, request):
            return 'application/json'

    class Meta:
        queryset = Workload.objects.all()
        resource_name = 'workload'
        authorization=Authorization()