def runTask():
log.debug("Running task %s", task.task_id.value)
startTime = time.time()
sendUpdate(task, 'TASK_RUNNING', wallTime=0)
# try to unpickle the task
try:
taskData = pickle.loads(decode_data(task.data))
except:
exc_info = sys.exc_info()
log.error('Exception while unpickling task: ',
exc_info=exc_info)
exc_type, exc_value, exc_trace = exc_info
sendUpdate(task,
'TASK_FAILED',
wallTime=0,
msg=''.join(
traceback.format_exception_only(
exc_type, exc_value)))
return
# This is where task.data is first invoked. Using this position to setup cleanupInfo
if self.workerCleanupInfo is not None:
assert self.workerCleanupInfo == taskData.workerCleanupInfo
else:
self.workerCleanupInfo = taskData.workerCleanupInfo
# try to invoke a run on the unpickled task
try:
process = runJob(taskData)
self.runningTasks[task.task_id.value] = process.pid
try:
exitStatus = process.wait()
wallTime = time.time() - startTime
if 0 == exitStatus:
sendUpdate(task, 'TASK_FINISHED', wallTime)
elif -9 == exitStatus:
sendUpdate(task, 'TASK_KILLED', wallTime)
else:
sendUpdate(task,
'TASK_FAILED',
wallTime,
msg=str(exitStatus))
finally:
del self.runningTasks[task.task_id.value]
except:
wallTime = time.time() - startTime
exc_info = sys.exc_info()
log.error('Exception while running task:', exc_info=exc_info)
exc_type, exc_value, exc_trace = exc_info
sendUpdate(task,
'TASK_FAILED',
wallTime=wallTime,
msg=''.join(
traceback.format_exception_only(
exc_type, exc_value)))
wallTime = time.time() - startTime
sendUpdate(task, 'TASK_FINISHED', wallTime)
def load(self, jobStoreID):
try:
jobString = self._readContents(jobStoreID)
except NoSuchFileException:
raise NoSuchJobException(jobStoreID)
job = pickle.loads(jobString)
# It is our responsibility to make sure that the JobDescription is
# connected to the current config on this machine, for filling in
# defaults. The leader and worker should never see config-less
# JobDescriptions.
job.assignConfig(self.config)
return job
def load(self, jobStoreID):
try:
jobString = self._readContents(jobStoreID)
except NoSuchFileException:
raise NoSuchJobException(jobStoreID)
return pickle.loads(jobString) # UPDATE bz2.decompress(
