@base.resource(users.User)
    def user(self, user_id):
        return users.User(self, user_id)
lazy bound method service factory
dataset/ETHPy150Open ducksboard/libsaas/libsaas/services/pipedrive/service.py/Pipedrive.user--crossover with--dataset/ETHPy150Open enthought/envisage/envisage/tests/service_registry_test_case.py/ServiceRegistryTestCase.test_lazy_bound_method_service_factory