Tango shutter is_closed property could be smarter
Isabelle Kieffer wants to use is_closed
property of Tango shutters but find it to be limited because Tango shutter can have more states than CLOSED
to indicate the shutter is actually closed.
For instance when the door of the hutch is open, the shutter is obviously closed but is_closed
returns False.
FrontEnd Example on ID21 during a MDT:
CYRIL [1]: fe._control
Out [1]: DeviceProxy(acs.esrf.fr:10000/fe/master/id21,139998361132560)
CYRIL [2]: fe._control.state()
Out [2]: tango._tango.DevState.STANDBY
CYRIL [3]: fe.is_closed
Out [3]: False
CYRIL [4]: fe.is_open
Out [4]: False