'Return a generator of containers.
:return: A generator of Container instances.
:rtype: ``generator`` of :class:`Container`'

def iterate_containers(self):

    for container_name in os.listdir(self.base_path):
        full_path = os.path.join(self.base_path, container_name)
        if (not os.path.isdir(full_path)):
            continue
        (yield self._make_container(container_name))
