def _init(self):
self.device = None
self.__nb_connections = 0
self.__polling_args = ()
self.__polling_kwargs = { 'direct': True }
self.device = TacoDevice_MTSafe.TacoDevice(self.tacoName(), dc=self.__dc)
if self.device is None:
logging.getLogger("HWR").error("%s: could not import Taco Device %s", str(self.name()), self.tacoName())
self.device = Null()
if self.device.imported == 1:
if not self.__dc:
self.device.tcp()
def _init(self):
self.device = None
self.__nb_connections = 0
self.__polling_args = ()
self.__polling_kwargs = { 'direct': True }
self.device = TacoDevice_MTSafe.TacoDevice(self.tacoName(), dc=self.__dc)
if self.device is None:
logging.getLogger("HWR").error("%s: could not import Taco Device %s", str(self.name()), self.tacoName())
self.device = Null()
if self.device.imported:
if not self.__dc:
self.device.tcp()
class TacoDevice(Device):
def __init__(self, name, dc=False):
Device.__init__(self, name)
self.__dc = dc
def tacoName(self):
return self.getProperty('taconame')
def _init(self):
self.device = None
self.__nb_connections = 0
self.__polling_args = ()
self.__polling_kwargs = { 'direct': True }
self.device = TacoDevice_MTSafe.TacoDevice(self.tacoName(), dc=self.__dc)
if self.device is None:
logging.getLogger("HWR").error("%s: could not import Taco Device %s", str(self.name()), self.tacoName())
self.device = Null()
if self.device.imported:
if not self.__dc:
self.device.tcp()
def setPollCommand(self, command, *args, **kwargs):
cmdDict = { 'type': 'taco', 'name': 'pollCmd', 'taconame': self.tacoName() }
if self.__dc:
cmdDict["dc"]=True
cmdObject = self.addCommand(cmdDict, command)
self.__polling_args = args
self.__polling_kwargs.update(kwargs)
def connectNotify(self, signal):
self.__nb_connections += 1
if self.__nb_connections == 1:
# start polling only if needed
try:
cmdObject = self.getCommandObject("pollCmd")
except:
logging.getLogger("HWR").error("%s: cannot start polling, command not set.", self.name())
else:
cmdObject.poll(self.interval, self.__polling_args, self.valueChanged, **self.__polling_kwargs)
def disconnectNotify(self, signal):
if self.__nb_connections <= 0:
return
self.__nb_connections -= 1
if self.__nb_connections == 0:
try:
cmdObject = self.getCommandObject("pollCmd")
except:
return
else:
cmdObject.stopPolling()
def valueChanged(self, deviceName, value):
self.emit('valueChanged', (value, ))
def executeCommand(self, command, *args):
if self.device is not None:
result = None
if command.endswith("()"):
command = command[:-2]
try:
func = getattr(self.device, command)
if callable(func):
result = func(*args)
except:
logging.getLogger().exception('Failed to execute command %s on device %s', command, self.userName())
return result
class TacoDevice(Device):
def __init__(self, name, dc=False):
Device.__init__(self, name)
self.__dc = dc
def tacoName(self):
return self.getProperty("taconame")
def _init(self):
self.device = None
self.__nb_connections = 0
self.__polling_args = ()
self.__polling_kwargs = {"direct": True}
self.device = TacoDevice_MTSafe.TacoDevice(self.tacoName(), dc=self.__dc)
if self.device is None:
logging.getLogger("HWR").error(
"%s: could not import Taco Device %s", str(self.name()), self.tacoName()
)
self.device = Null()
if self.device.imported == 1:
if not self.__dc:
self.device.tcp()
def setPollCommand(self, command, *args, **kwargs):
cmdDict = {"type": "taco", "name": "pollCmd", "taconame": self.tacoName()}
if self.__dc:
cmdDict["dc"] = True
cmdObject = self.addCommand(cmdDict, command)
self.__polling_args = args
self.__polling_kwargs.update(kwargs)
def connectNotify(self, signal):
self.__nb_connections += 1
if self.__nb_connections == 1:
# start polling only if needed
try:
cmdObject = self.getCommandObject("pollCmd")
except BaseException:
logging.getLogger("HWR").error(
"%s: cannot start polling, command not set.", self.name()
)
else:
cmdObject.poll(
self.interval,
self.__polling_args,
self.valueChanged,
**self.__polling_kwargs
)
def disconnectNotify(self, signal):
if self.__nb_connections <= 0:
return
self.__nb_connections -= 1
if self.__nb_connections == 0:
try:
cmdObject = self.getCommandObject("pollCmd")
except BaseException:
return
else:
cmdObject.stopPolling()
def valueChanged(self, deviceName, value):
self.emit("valueChanged", (value,))
def executeCommand(self, command, *args):
if self.device is not None:
result = None
if command.endswith("()"):
command = command[:-2]
try:
func = getattr(self.device, command)
if isinstance(func, collections.Callable):
result = func(*args)
except BaseException:
logging.getLogger().exception(
"Failed to execute command %s on device %s",
command,
self.userName(),
)
return result
