def _getEventWait(self):
if not hasattr(self, '_evt_wait'):
# create an object that waits for attribute events.
# each time we use it we have to connect and disconnect to an
# attribute
self._evt_wait = AttributeEventWait()
return self._evt_wait
def release(self, synch=True):
if not synch:
try:
self.command_inout("ReleaseMacro")
except PyTango.DevFailed as df:
# Macro already finished - no need to release
if df.args[0].reason == "API_CommandNotAllowed":
pass
return
evt_wait = AttributeEventWait(self.getAttribute("state"))
evt_wait.lock()
try:
time_stamp = time.time()
try:
self.command_inout("ReleaseMacro")
except PyTango.DevFailed as df:
# Macro already finished - no need to release
if df.args[0].reason == "API_CommandNotAllowed":
return
evt_wait.waitEvent(self.Running,
equal=False,
after=time_stamp,
timeout=self.InteractiveTimeout)
finally:
evt_wait.unlock()
evt_wait.disconnect()
def stop(self, synch=True):
if not synch:
self.command_inout("StopMacro")
return
evt_wait = AttributeEventWait(self.getAttribute("state"))
evt_wait.lock()
try:
time_stamp = time.time()
self.command_inout("StopMacro")
evt_wait.waitEvent(self.Running,
equal=False,
after=time_stamp,
timeout=self.InteractiveTimeout)
finally:
evt_wait.unlock()
evt_wait.disconnect()