我在测试过程中删除了用户表中的所有信息。现在,当我尝试运行manage.py
命令来重新创建管理用户时,我得到了RuntimeError: application not registered on db instance and no application bound to current context
。我一直在阅读Flask上下文,特别是What is the purpose of Flask's context stacks?,但我不清楚如何解决这个问题。我如何解决这个错误?用户表截断后'未在db实例上注册的应用程序'
$ python manage.py db create_admin
Traceback (most recent call last):
File "manage.py", line 58, in <module>
manager.add_command("create_admin", create_admin())
File "manage.py", line 47, in create_admin
confirmed_on=datetime.datetime.now()
File "c:\envs\virtalenvs\flask_mini\lib\site-packages\sqlalchemy\orm\scoping.py", line 150, in do
return getattr(self.registry(), name)(*args, **kwargs)
File "c:\envs\virtalenvs\flask_mini\lib\site-packages\sqlalchemy\util\_collections.py", line 878, in __call__
return self.registry.setdefault(key, self.createfunc())
File "c:\envs\virtalenvs\flask_mini\lib\site-packages\flask_sqlalchemy\__init__.py", line 704, in create_session
return SignallingSession(self, **options)
File "c:\envs\virtalenvs\flask_mini\lib\site-packages\flask_sqlalchemy\__init__.py", line 149, in __init__
self.app = db.get_app()
File "c:\envs\virtalenvs\flask_mini\lib\site-packages\flask_sqlalchemy\__init__.py", line 845, in get_app
raise RuntimeError('application not registered on db '
RuntimeError: application not registered on db instance and no application bound to current context
manage.py
:
import os
from flask_script import Manager
from myflaskapp.app import create_app
from myflaskapp.models.user import User
from myflaskapp.database import db
manager = Manager(app)
@manager.command
def create_admin():
db.session.add(User(
username="admin1",
email="[email protected]",
password="admin",
admin=True,
confirmed=True,
confirmed_on=datetime.datetime.now()
))
db.session.commit()
manager.add_command("create_admin", create_admin())
manager.run()
我已经在上面添加了一些代码,执行了db.init_app(app)。 – user61629
请参阅上面的编辑: – user61629
删除您建议的行后,$ python manage.py create_admin工作!谢谢。 – user61629