def __virtual__():
    if __virtualname__ not in __opts__['fileserver_backend']:
        return False
    return __virtualname__ if __opts__['file_recv'] else False
Factory method to create AttrArray objects from ndarrays or Python
dataset/ETHPy150Open saltstack/salt/salt/fileserver/minionfs.py/__virtual__--crossover with--dataset/ETHPy150Open ralhei/pyRserve/pyRserve/taggedContainers.py/AttrArray.new