helper.py 文件源码

def startScheduler():
    db.create_all()
    #create default roles!
    if not db.session.query(models.Role).filter(models.Role.name == "admin").first():
        admin_role = models.Role(name='admin', description='Administrator Role')
        user_role = models.Role(name='user', description='User Role')
        db.session.add(admin_role)
        db.session.add(user_role)
        db.session.commit()

    try:
        import tzlocal

        tz = tzlocal.get_localzone()
        logger.info("local timezone: %s" % tz)
    except:
        tz = None

    if not tz or tz.zone == "local":
        logger.error('Local timezone name could not be determined. Scheduler will display times in UTC for any log'
                 'messages. To resolve this set up /etc/timezone with correct time zone name.')
        tz = pytz.utc
    #in debug mode this is executed twice :(
    #DONT run flask in auto reload mode when testing this!
    scheduler = BackgroundScheduler(logger=sched_logger, timezone=tz)
    scheduler.add_job(notify.task, 'interval', seconds=config.SCAN_INTERVAL, max_instances=1,
                      start_date=datetime.datetime.now(tz) + datetime.timedelta(seconds=2))
    scheduler.start()
    sched = scheduler
    #notify.task()