def _get_cloud_volumes(self, drivers):
        volumes = []
        for driver in drivers:
            volumes.extend(driver.list_volumes())
        return volumes
Checks whether a specified object can be deleted.
dataset/ETHPy150Open ClusterHQ/flocker/admin/cleanup.py/CleanVolumes._get_cloud_volumes--crossover with--dataset/ETHPy150Open enthought/envisage/examples/plugins/single_project/sample_project/data/data.py/DataAdapter.confirm_delete