小编Ton*_*one的帖子

我想用Flask-APScheduler运行一个查询Flask-SQLAlchemy模型的工作.当工作开始时,我明白了RuntimeError: application not registered on db instance and no application bound to current context.如何运行查询数据库的作业.

from flask_apscheduler import APScheduler

scheduler = APScheduler()
scheduler.init_app(app)
scheduler.start()

from models import User

def my_job():
    user = User.query.first()
    print(user)

查询期间发生错误,然后才能打印.数据库正在其他应用程序中工作以进行其他查询.

我试图with app.app_context():在设置扩展时添加,但这不起作用.

with app.app_context()
    scheduler = APScheduler()
    scheduler.init_app(app)
    scheduler.start()

完整的追溯是:

ERROR:apscheduler.executors.default:Job "run_in (trigger: interval[0:00:10], next run at: 2016-10-18 23:00:53 CEST)" raised an exception
Traceback (most recent call last):
  File "/Users/user/.virtualenvs/myfolder/lib/python2.7/site-packages/apscheduler/executors/base.py", line 125, in run_job
    retval = job.func(*job.args, **job.kwargs)
  File "/Users/user/Documents/myfolder/myfolder/myfile.py", line 19, …