0x001-初始化项目

flask flask Comments

初始化项目

准备工作

安装python3

下载 点击 安装

创建python虚拟环境

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python -m venv venv

# windows
.\venv\Scripts\activate
# mac
source venv/bin/activate

安装相关依赖

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pip install flask

初始化项目

项目结构

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microapp
    --auth
        --__init__.py
        --forms.py
        --views.py
    --home
        --__init__.py
        --forms.py
        --views.py
    --profile
        --__init__.py
        --forms.py
        --views.py
    --templates
    --static
    __init__.py
    common.py
    email.py
    errors.py
    models.py
    exceptions.py
test
venv
run.py
config.py

初始化flask

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from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate 
from flask_login import LoginManager
import os
import logging
from logging.handlers import RotatingFileHandler
from flask_mail import Mail
from flask_bootstrap import Bootstrap
db = SQLAlchemy()
migrate = Migrate()
loginmanager = LoginManager()
loginmanager.login_view = 'auth.login'
loginmanager.login_message = u"Please login to access this url"
loginmanager.session_protection = "strong"
mail = Mail()
bootstrap = Bootstrap()

def create_app(ConfigObejct):
    # 指明flask的应用所在，用于以后templates/static等文件位置的放置
    app = Flask(__name__)
    app.config.from_object(ConfigObejct)
    db.init_app(app)
    migrate.init_app(app,db)
    loginmanager.init_app(app)
    mail.init_app(app)
    bootstrap.init_app(app)


    def init_app(self):
        pass
        
    from .auth import auth as auth_blueprint
    app.register_blueprint(auth_blueprint,url_prefix='/')
    from .home import home as home_blueprint
    app.register_blueprint(home_blueprint,url_prefix='/')

    from .profiles import profiles as profiles_blueprint
    app.register_blueprint(profiles_blueprint,url_prefix='/profile') 

    if not app.debug:
        if not os.path.exists('logs'):
            os.mkdir('logs')
    
        file_handler = RotatingFileHandler('logs/microblog.log',maxBytes=10240,backupCount=10)
        file_handler.setFormatter(logging.Formatter(
            '%(asctime)s %(levelname)s:%(message)s [in %(pathname)s:%(lineno)d]'
        ))
        app.logger.addHandler(file_handler)
        app.logger.setLevel(logging.INFO)
        app.logger.info("app startup")

    return app

初始化蓝图对象

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# microapp/auth/__init__.py

#!/usr/bin/env python 
#-*- coding:utf-8 -*-

from flask import Blueprint
auth = Blueprint('auth',__name__)

from . import routes,forms