__init__.py

# -*- coding: utf-8 -*-
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
# from flask_bootstrap import Bootstrap
# from flask_mail import Mail
# from flask_moment import Moment
from config import config


# bootstrap = Bootstrap()
# mail = Mail()
# moment = Moment()
sqlalchemy = SQLAlchemy()


def create_app(config_name):
    '''程序的工厂函数'''
    app = Flask(__name__)
    app.config.from_object(config[config_name])  # 将配置类中的配置导入程序
    config[config_name].init_app(app)

    # 初始化扩展
    # bootstrap.init_app(app)
    # mail.init_app(app)
    # moment.init_app(app)
    sqlalchemy.init_app(app)

    # 注册蓝本
    from .main import main as main_blueprint
    app.register_blueprint(main_blueprint)

    return app