class EnumPVScannable(ScannableMotionBase):
'''
support get and set a multiple values Enum PV. There is no wait or check on set a value to the PV.
Once instantiated the object must be configured first before use
'''
def __init__(self, name, pv):
'''
Constructor
'''
self.setName(name)
self.setInputNames([name])
self.pvcli = CAClient(pv)
self.availablePositions = []
self.pvcli.configure()
sleep(1)
self.availablePositions = self.pvcli.cagetLables()
def getPosition(self):
return self.pvcli.caget()
def asynchronousMoveTo(self, newpos):
if newpos in self.availablePositions:
self.pvcli.caput(self.availablePositions.index(newpos))
else:
raise Exception("Requested mode %s is not available in list %s" %
(newpos, self.availablePositions))
def isBusy(self):
return False
def toFormattedString(self):
return "%s: %s" % (self.getName(), self.getPosition())
def __del__(self):
self.pvcli.clearup()
