manage.py

#!/usr/bin/env python
import os
import atexit
from app import create_app, db
from app.models import User, Follow, Role, Permission, Post, Comment
from flask_script import Manager, Shell
from flask_migrate import Migrate, MigrateCommand
from apscheduler.schedulers.background import BackgroundScheduler
from apscheduler.triggers.interval import IntervalTrigger

app = create_app(os.getenv('FLASK_CONFIG') or 'default')
manager = Manager(app)
migrate = Migrate(app, db)


def make_shell_context():
    return dict(app=app, db=db, User=User, Follow=Follow, Role=Role,
                Permission=Permission, Post=Post, Comment=Comment)
manager.add_command("shell", Shell(make_context=make_shell_context))
manager.add_command('db', MigrateCommand)


@manager.command
def test():
    """Run the unit tests."""
    import unittest
    tests = unittest.TestLoader().discover('tests')
    unittest.TextTestRunner(verbosity=2).run(tests)

def MLAPI():
    with app.app_context():
        User.ML()

scheduler = BackgroundScheduler()
scheduler.start()
scheduler.add_job(
    func=MLAPI,
    trigger=IntervalTrigger(seconds=3600),
    replace_existing=True)
# Shut down the scheduler when exiting the app
atexit.register(lambda: scheduler.shutdown())

if __name__ == '__main__':
    manager.run()