manage.py 文件源码

def reset_db():
    if prompt_bool(
            'Are you sure you want to lose all your data for {0}'.format(
                app.config['SQLALCHEMY_DATABASE_URI'].split('@')[1])
    ):
        from alembic.command import downgrade, upgrade
        from alembic.config import Config as AlembicConfig
        config = AlembicConfig('alembic.ini')
        downgrade(config, 'base')
        upgrade(config, 'head')
        print('Database has been reset')