def __init__(self, name, parent, **kwargs):
TaurusAttribute.__init__(self, name, parent, **kwargs)
v = self.getNameValidator()
urigroups = v.getUriGroups(name)
# store the hdf5 path for future readouts
self._attr_name = urigroups.get("attrname")
self._last_value = None
wantpolling = not self.isUsingEvents()
haspolling = self.isPollingEnabled()
if wantpolling:
self._activatePolling()
elif haspolling and not wantpolling:
self.disablePolling()
def addListener(self, listener):
""" Add a TaurusListener object in the listeners list.
If it is the first element and Polling is enabled starts the
polling mechanism.
If the listener is already registered nothing happens."""
listeners = self._listeners
initial_subscription_state = self.__subscription_state
ret = TaurusAttribute.addListener(self, listener)
if not ret:
return ret
assert len(listeners) >= 1
if self.__subscription_state == SubscriptionState.Unsubscribed and len(
listeners) == 1:
self._subscribeEvents()
# if initial_subscription_state == SubscriptionState.Subscribed:
if len(listeners) > 1 and (initial_subscription_state
== SubscriptionState.Subscribed
or self.isPollingActive()):
sm = self.getSerializationMode()
if sm == TaurusSerializationMode.Concurrent:
Manager().addJob(self.__fireRegisterEvent, None, (listener, ))
else:
self.__fireRegisterEvent((listener, ))
return ret
def addListener(self, listener):
""" Add a TaurusListener object in the listeners list.
If it is the first listener, it triggers the subscription to
the referenced attributes.
If the listener is already registered nothing happens."""
initial_subscription_state = self.__subscription_state
ret = TaurusAttribute.addListener(self, listener)
if not ret:
return ret
if self.__subscription_state == SubscriptionState.Unsubscribed:
for refobj in self._references:
# subscribe to the referenced attributes
refobj.addListener(self)
self.__subscription_state = SubscriptionState.Subscribed
assert len(self._listeners) >= 1
# if initial_subscription_state == SubscriptionState.Subscribed:
if len(self._listeners) > 1 and \
(initial_subscription_state == SubscriptionState.Subscribed or
self.isPollingActive()):
Manager().addJob(self.__fireRegisterEvent, None, (listener, ))
return ret
def addListener(self, listener):
""" Add a TaurusListener object in the listeners list.
If it is the first element and Polling is enabled starts the
polling mechanism.
If the listener is already registered nothing happens."""
listeners = self._listeners
initial_subscription_state = self.__subscription_state
ret = TaurusAttribute.addListener(self, listener)
if not ret:
return ret
assert len(listeners) >= 1
if self.__subscription_state == SubscriptionState.Unsubscribed and len(listeners) == 1:
self._subscribeEvents()
# if initial_subscription_state == SubscriptionState.Subscribed:
if len(listeners) > 1 and (
initial_subscription_state == SubscriptionState.Subscribed or self.isPollingActive()
):
sm = self.getSerializationMode()
if sm == TaurusSerializationMode.Concurrent:
Manager().addJob(self.__fireRegisterEvent, None, (listener,))
else:
self.__fireRegisterEvent((listener,))
return ret
def addListener(self, listener):
""" Add a TaurusListener object in the listeners list.
If it is the first listener, it triggers the subscription to
the referenced attributes.
If the listener is already registered nothing happens."""
initial_subscription_state = self.__subscription_state
ret = TaurusAttribute.addListener(self, listener)
if not ret:
return ret
if self.__subscription_state == SubscriptionState.Unsubscribed:
for refobj in self._references:
# subscribe to the referenced attributes
refobj.addListener(self)
self.__subscription_state = SubscriptionState.Subscribed
assert len(self._listeners) >= 1
# if initial_subscription_state == SubscriptionState.Subscribed:
if len(self._listeners) > 1 and \
(initial_subscription_state == SubscriptionState.Subscribed or
self.isPollingActive()):
Manager().addJob(self.__fireRegisterEvent, None, (listener,))
return ret
def addListener(self, listener):
added = TaurusAttribute.addListener(self, listener)
if added:
v = self.read()
self.fireEvent(TaurusEventType.Periodic, v, listeners=[listener])
return added
def __init__(self, name, parent, **kwargs):
TaurusAttribute.__init__(self, name, parent, **kwargs)
v = self.getNameValidator()
v.getUriGroups(name)
groups = v.getUriGroups(name)
self.handler = schemesMap[groups['scheme']]()
self._attr_name = groups.get("attrname")
self._last_value = None
wantpolling = not self.isUsingEvents()
haspolling = self.isPollingEnabled()
if wantpolling:
self._activatePolling()
elif haspolling and not wantpolling:
self.disablePolling()
def setAlarms(self, *limits):
if isinstance(limits[0], list):
limits = limits[0]
low, high = limits
low = Quantity(low)
high = Quantity(high)
TaurusAttribute.setAlarms(self, [low, high])
infoex = self._pytango_attrinfoex
if low.magnitude != float("-inf"):
infoex.alarms.min_alarm = str(low.to(self._units).magnitude)
else:
infoex.alarms.min_alarm = "Not specified"
if high.magnitude != float("inf"):
infoex.alarms.max_alarm = str(high.to(self._units).magnitude)
else:
infoex.alarms.max_alarm = "Not specified"
self._applyConfig()
def setAlarms(self, *limits):
if isinstance(limits[0], list):
limits = limits[0]
low, high = limits
low = Quantity(low)
high = Quantity(high)
TaurusAttribute.setAlarms(self, [low, high])
infoex = self._pytango_attrinfoex
if low.magnitude != float('-inf'):
infoex.alarms.min_alarm = str(low.to(self._units).magnitude)
else:
infoex.alarms.min_alarm = 'Not specified'
if high.magnitude != float('inf'):
infoex.alarms.max_alarm = str(high.to(self._units).magnitude)
else:
infoex.alarms.max_alarm = 'Not specified'
self._applyConfig()
def removeListener(self, listener):
""" Remove a TaurusListener from the listeners list. If polling enabled
and it is the last element then stop the polling timer.
If the listener is not registered nothing happens."""
ret = TaurusAttribute.removeListener(self, listener)
if ret and not self.hasListeners():
self._deactivatePolling()
self.__subscription_state = SubscriptionState.Unsubscribed
return ret
def removeListener(self, listener):
""" Remove a TaurusListener from the listeners list. If polling enabled
and it is the last element then stop the polling timer.
If the listener is not registered nothing happens."""
ret = TaurusAttribute.removeListener(self, listener)
if ret and not self.hasListeners():
self._deactivatePolling()
self.__subscription_state = SubscriptionState.Unsubscribed
return ret
def setRange(self, *limits):
if isinstance(limits[0], list):
limits = limits[0]
low, high = limits
low = Quantity(low)
if low.unitless:
low = Quantity(low.magnitude, self._units)
high = Quantity(high)
if high.unitless:
high = Quantity(high.magnitude, self._units)
TaurusAttribute.setRange(self, [low, high])
infoex = self._pytango_attrinfoex
if low.magnitude != float('-inf'):
infoex.min_value = str(low.to(self._units).magnitude)
else:
infoex.min_value = 'Not specified'
if high.magnitude != float('inf'):
infoex.max_value = str(high.to(self._units).magnitude)
else:
infoex.max_value = 'Not specified'
self._applyConfig()
def removeListener(self, listener):
""" Remove a TaurusListener from the listeners list. If polling enabled
and it is the last element the stop the polling timer.
If the listener is not registered nothing happens."""
ret = TaurusAttribute.removeListener(self, listener)
if not ret:
return ret
if self.hasListeners():
return ret
if self.__subscription_state != SubscriptionState.Unsubscribed:
self._unsubscribeEvents()
return ret
def removeListener(self, listener):
""" Remove a TaurusListener from the listeners list. If polling enabled
and it is the last element the stop the polling timer.
If the listener is not registered nothing happens."""
ret = TaurusAttribute.removeListener(self, listener)
if not ret:
return ret
if self.hasListeners():
return ret
if self.__subscription_state != SubscriptionState.Unsubscribed:
self._unsubscribeEvents()
return ret
def setLabel(self, lbl):
TaurusAttribute.setLabel(self, lbl)
infoex = self._pytango_attrinfoex
infoex.label = lbl
self._applyConfig()
def cleanUp(self):
self.trace("[TangoAttribute] cleanUp")
self._unsubscribeConfEvents()
TaurusAttribute.cleanUp(self)
self.__dev_hw_obj = None
self._pytango_attrinfoex = None
def cleanUp(self):
self.trace("[TangoAttribute] cleanUp")
self._unsubscribeConfEvents()
TaurusAttribute.cleanUp(self)
self.__dev_hw_obj = None
self._pytango_attrinfoex = None
def setLabel(self, lbl):
TaurusAttribute.setLabel(self, lbl)
infoex = self._pytango_attrinfoex
infoex.label = lbl
self._applyConfig()
