上一次的mysql数据库迁移是基于类继承的形式进行的,这一次是一个简单的配置,也可以进行数据库迁移
1. 框架
flask_migrate
flask_sqlalchemy
2.然后是一些配置
/config.py
import os
CSRF_ENABLED = True
SECRET_KEY = 'you-will-never-guess'
basedir = os.path.abspath(os.path.dirname(__file__))
SQLALCHEMY_DATABASE_URI = 'mysql://root:root@localhost/test1'
/app/init.py
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
__title__ = ''
"""
import os
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
app = Flask(__name__)
app.config.from_object('config')
db = SQLAlchemy(app)
from app import views, models
/manager.py
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
__title__ = ''
"""
from app import db,app
from flask_script import Manager
from flask_migrate import Migrate, MigrateCommand #载入migrate扩展
manager = Manager(app)
migrate = Migrate(app, db) #注册migrate到flask
manager.add_command('db', MigrateCommand) #在终端环境下添加一个db命令
if __name__ == '__main__':
manager.run()
models.py就不贴代码了
3.基本与上次类似
完成之后,开始初始化
(web) E:\python\flaskblog>python manage.py db init
在虚拟环境(我的是(web))中进行初始化,根目录下出现migrations文件夹,里面有自动生成的一下文件,脚本等
4.更新models.py,然后执行迁移命令
python manage.py db migrate -m “first init db”
python manage.py db upgrade
不出错误提示的话就表示成功了。可以去数据库查看