class Member(DjangoObjectType):
    class Meta:
        model = models.Member
        filter_fields = []
        interfaces = (graphene.Node, )

    contacts = graphene.ConnectionField('api.graphql.Contact')

    def resolve_contacts(instance, info):
        info.context.root = instance
        return instance.contacts

class Contact(graphene.Connection):

    class Meta:
        node = Member

    class Edge:
        circles = graphene.List(Circle)

        def resolve_circles(instance, info):
            return info.context.root.circles.intersection(instance.node.circles.all())