本文整理汇总了Python中convirt.model.DBSession.merge方法的典型用法代码示例。如果您正苦于以下问题：Python DBSession.merge方法的具体用法？Python DBSession.merge怎么用？Python DBSession.merge使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类convirt.model.DBSession的用法示例。
在下文中一共展示了DBSession.merge方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: wait_for_workers_to_finish
# 需要导入模块: from convirt.model import DBSession [as 别名]
# 或者: from convirt.model.DBSession import merge [as 别名]
def wait_for_workers_to_finish(self, task_ids):
WRK_LOGGER.debug("wait_for_workers_to_finish for "+self.worker+" max_worker_wait_time: "+str(self.max_worker_wait_time))
task_completed = False
self.wait_start_time=datetime.utcnow()
###this is an infinite loop until we find a completed task
###we need to add some wait time to check on the status of child tasks
while task_completed == False:
time.sleep(5)
completed_tasks = self.check_tasks_completed(task_ids)
WRK_LOGGER.debug("wait_for_workers_to_finish for "+self.worker+" completed_tasks :"+str(completed_tasks))
if len(completed_tasks) > 0:
task_completed = True
for task in completed_tasks:
self.worker_ids.remove(task['task_id'])
WRK_LOGGER.debug("child task completed, update EntityTasks "+self.worker+" completed_tasks :"+str(task['task_id']))
ets = DBSession.query(EntityTasks).\
filter(EntityTasks.worker_id==to_unicode(task['task_id'])).all()
for et in ets:
et.worker_id=None
et.finished=True
et.end_time=datetime.utcnow()
DBSession.merge(et)
transaction.commit()
WRK_LOGGER.debug("child tasks completed, updated EntityTasks "+self.worker)
else :
# if True:
# continue
wait_time_sec=(datetime.utcnow()-self.wait_start_time).seconds
WRK_LOGGER.debug("No completed child tasks for "+self.worker+". waiting for "+str(wait_time_sec))
if wait_time_sec > self.max_worker_wait_time:
task_service = self.svc_central.get_service(self.task_service_id)
past_time = self.start_time-timedelta(minutes=1)
for task_id in task_ids:
task_obj = task_service.get_running_task_obj(task_id)
if task_obj:
(hung, completed, pending) = task_obj.get_running_status()
WRK_LOGGER.debug("HUNG STATUS for "+self.worker+":"+str(hung)+":"+str(task_id)+\
":"+str(completed)+":"+str(pending))
if hung:
task_completed = True
self.worker_ids.remove(task_id)
WRK_LOGGER.debug("Hung task. Cleanup EntityTask for "+self.worker+". task id : "+str(task_id))
DBSession.query(EntityTasks).filter(EntityTasks.worker==self.worker).\
filter(EntityTasks.entity_id.in_(completed)).\
update(dict(worker_id=None,finished=True, end_time=datetime.utcnow()))
DBSession.query(EntityTasks).filter(EntityTasks.worker==self.worker).\
filter(EntityTasks.entity_id.in_(pending)).\
update(dict(worker_id=None,finished=True, start_time=past_time))
transaction.commit()
WRK_LOGGER.debug("Hung task. Cleaned up EntityTask for "+self.worker+". task id : "+str(task_id))