flask 数据库迁移框架

manage.py

#!/usr/bin/env python
# encoding: utf-8
"""
@author: zmh
@time: 2018/5/17 8:46
数据库迁移脚本
"""
from flask_migrate import Migrate, MigrateCommand
from flask_script import Manager

from flask_app.app import app, db

# 导入需要迁移的数据库模型
from model.article import Article
from model.category import Category
from model.user import User

# 让python支持命令行工作
manager = Manager(app)

# 使用migrate绑定app和db
migrate = Migrate(app, db)

# 添加迁移脚本的命令到manager中
manager.add_command('db', MigrateCommand)

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


# 初始化  python manage.py db init
# 创建迁移脚本  python manage.py db migrate
# 更新数据库  python manage.py db upgrade