orm.py 文件源码

def create():
    """
    Create database and all tables
    """
    if not database_exists(db.engine.url):
        app.logger.debug('Creating a fresh database to work with')
        create_database(db.engine.url)
        alembic_stamp()
        db.create_all()
    app.logger.debug('Database already exists, please drop the database and try again!')