def __init__(self):
        if u"." in self.namespace:
            raise ValueError(
                "Periods not allowed in namespace: %s"
                % (self.namespace,))
Returns a label that is safe to add to a path in the mountpoint for this volume.
dataset/ETHPy150Open ClusterHQ/flocker/flocker/volume/service.py/VolumeName.__init__--crossover with--dataset/ETHPy150Open ralphje/imagemounter/imagemounter/volume.py/Volume.get_safe_label