def run(self):
""" Execute and manage task
"""
################################################################
TaskWin = self
myTask = self.myTask
TaskWin.done = False
# Start ObitMess Window for task myTask._name
try:
server = ServerProxy(self.url)
answer = server.CreateWindow(myTask._name)
self.taskID = answer["taskID"]
except Exception as e:
print("Failed to talk to ObitMess",e)
raise RuntimeError("Cannot talk to ObitMess - start it ")
# Hang around until gui is started
time.sleep(1.)
TaskWin.Started = True
deadGUI = False # has GUI died? May want to keep running/logging.
arg = {"taskID":self.taskID, "status":"Task Running"}
answer = server.SetStatus(arg)
deadGUI = deadGUI or (answer['Status']['code']!=0)
(TaskWin.proxy, TaskWin.tid) = myTask.spawn()
# Logging to file?
if len(myTask.logFile)>0:
TaskLog = open(myTask.logFile,'a')
else:
TaskLog = None
TaskWin.Failed = False
try:
while not myTask.finished(TaskWin.proxy, TaskWin.tid):
messages = myTask.messages(TaskWin.proxy, TaskWin.tid)
if messages:
if not deadGUI:
msg = ""
# Bundle messages
for message in messages:
if type(message)==str:
msg += message+'\n'
else:
msg += message[1]+'\n'
arg = {"taskID":self.taskID, "message":msg}
answer = server.DisplayMessage(arg)
# loop if busy
while answer['Status']['reason']=="Busy":
answer = server.DisplayMessage(arg)
deadGUI = deadGUI or (answer['Status']['code']!=0)
# Abort request?
doAbort = answer["Abort"]
# Input (AIPS) request in message?
if (msg.__contains__("** press RETURN for more") or
msg.__contains__("just hit RETURN to continue")):
answer = server.UserResponse(self.taskID)
# loop if busy
while answer['Status']['reason']=="Busy":
answer = server.UserResponse(self.taskID)
deadGUI = deadGUI or (answer['Status']['code']!=0)
doAbort = doAbort or answer["Abort"]
reply = answer["Result"]
if not TaskWin.done:
# Feed the task the command
myTask.feed(TaskWin.proxy, TaskWin.tid, reply+"\n")
else: # Task finished
arg = {"taskID":self.taskID, "message":"Task already finished\n"}
answer = server.DisplayMessage(arg)
# Now abort if requested
if doAbort:
time.sleep(1.) # time to shutdown if requested
if not myTask.finished(self.proxy, self.tid):
# this seems to leave the task in an undead state
self.myTask.abort(self.proxy, self.tid)
TaskWin.Failed = True
TaskWin.done = True
# end if GUI alive
if TaskLog:
for message in messages:
if type(message)==str:
x=TaskLog.write('%s\n' % message)
else:
x=TaskLog.write('%s\n' % message[1])
TaskLog.flush()
continue
except KeyboardInterrupt as exception:
print("Something went wrong:",exception)
myTask.abort(TaskWin.proxy, TaskWin.tid)
raise exception
except Exception as e: # Aborts throw exceptions that get caught here
TaskWin.Failed = True
TaskWin.done = True
#print "An exception was thrown, task aborted:",e
if not TaskWin.Failed:
TaskWin.wait()
arg = {"taskID":self.taskID, "status":"Task Finished"}
answer = server.SetStatus(arg)
else:
arg = {"taskID":self.taskID, "status":"Task Failed"}
answer = server.SetStatus(arg)
TaskWin.done = True
if TaskLog:
TaskLog.close()
