def executeOneDelayedTask(self) -> None:
now = getSqlDatetime()
filt = Q(execution_time__lt=now) | Q(insert_date__gt=now +
timedelta(seconds=30))
# If next execution is before now or last execution is in the future (clock changed on this server, we take that task as executable)
try:
with transaction.atomic(): # Encloses
# Throws exception if no delayed task is avilable
task = DBDelayedTask.objects.select_for_update().filter(
filt).order_by('execution_time')[0] # @UndefinedVariable
if task.insert_date > now + timedelta(seconds=30):
logger.warning(
'EXecuted %s due to insert_date being in the future!',
task.type)
taskInstanceDump = encoders.decode(task.instance, 'base64')
task.delete()
taskInstance = pickle.loads(taskInstanceDump)
except IndexError:
return # No problem, there is no waiting delayed task
except Exception:
# Transaction have been rolled back using the "with atomic", so here just return
# Note that is taskInstance can't be loaded, this task will not be retried
logger.exception('Executing one task')
return
if taskInstance:
logger.debug('Executing delayedTask:>%s<', task)
taskInstance.env = Environment.getEnvForType(
taskInstance.__class__)
DelayedTaskThread(taskInstance).start()
def executeOneDelayedTask(self):
now = getSqlDatetime()
filt = Q(execution_time__lt=now) | Q(insert_date__gt=now + timedelta(seconds=30))
# If next execution is before now or last execution is in the future (clock changed on this server, we take that task as executable)
try:
with transaction.atomic(): # Encloses
# Throws exception if no delayed task is avilable
task = dbDelayedTask.objects.select_for_update().filter(filt).order_by('execution_time')[0] # @UndefinedVariable
if task.insert_date > now + timedelta(seconds=30):
logger.warning('EXecuted {} due to insert_date being in the future!'.format(task.type))
taskInstanceDump = encoders.decode(task.instance, 'base64')
task.delete()
taskInstance = loads(taskInstanceDump)
except IndexError:
return # No problem, there is no waiting delayed task
except Exception:
# Transaction have been rolled back using the "with atomic", so here just return
# Note that is taskInstance can't be loaded, this task will not be retried
logger.exception('Executing one task')
return
if taskInstance is not None:
logger.debug('Executing delayedTask:>{0}<'.format(task))
taskInstance.env = Environment.getEnvForType(taskInstance.__class__)
DelayedTaskThread(taskInstance).start()
def executeOneDelayedTask(self):
now = getSqlDatetime()
filt = Q(execution_time__lt=now) | Q(insert_date__gt=now + timedelta(seconds=30))
# If next execution is before now or last execution is in the future (clock changed on this server, we take that task as executable)
taskInstance = None
try:
with transaction.atomic(): # Encloses
task = dbDelayedTask.objects.select_for_update().filter(filt).order_by('execution_time')[0] # @UndefinedVariable
taskInstanceDump = encoders.decode(task.instance, 'base64')
task.delete()
taskInstance = loads(taskInstanceDump)
except Exception:
# Transaction have been rolled back using the "with atomic", so here just return
# Note that is taskInstance can't be loaded, this task will not be retried
return
if taskInstance is not None:
logger.debug('Executing delayedTask:>{0}<'.format(task))
taskInstance.env = Environment.getEnvForType(taskInstance.__class__)
DelayedTaskThread(taskInstance).start()
def executeOneDelayedTask(self):
now = getSqlDatetime()
filt = Q(execution_time__lt=now) | Q(insert_date__gt=now)
# If next execution is before now or last execution is in the future (clock changed on this server, we take that task as executable)
taskInstance = None
try:
with transaction.atomic(): # Encloses
task = dbDelayedTask.objects.select_for_update().filter(filt).order_by('execution_time')[0] # @UndefinedVariable
taskInstanceDump = task.instance.decode(self.CODEC)
task.delete()
taskInstance = loads(taskInstanceDump)
except Exception:
# Transaction have been rolled back using the "with atomic", so here just return
# Note that is taskInstance can't be loaded, this task will not be retried
return
if taskInstance is not None:
logger.debug('Executing delayedTask:>{0}<'.format(task))
env = Environment.getEnvForType(taskInstance.__class__)
taskInstance.setEnv(env)
DelayedTaskThread(taskInstance).start()
