如何解析Python Flask中实现异步发送邮件的详细步骤？

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第一步，修改工厂函数，配置邮件参数：pythonfrom flask import Flaskfrom config import Configfrom flask_sqlalchemy import SQLAlchemyfrom flask_mail import Mail

db=SQLAlchemy()mail=Mail()

def create_app(): app=Flask(__name__) app.config.from_object(Config)

db.init_app(app) mail.init_app(app)

return app

第一步，修改工厂函数，配置邮件参数

from flask import Flask from config import Config from flask_sqlalchemy import SQLAlchemy from flask_mail import Mail db = SQLAlchemy() mail = Mail() def create_app(): app = Flask(__name__) app.config.from_object(Config) db.init_app(app) mail.init_app(app) from .controller import controller app.register_blueprint(controller) return app

第二步，新建一个线程来发送邮件

from flask import current_app, render_template from flask_mail import Message from threading import Thread from main import mail def send_async_email(app, msg): with app.app_context(): mail.send(msg) def send_email(to, subject, template = 'index', **kwargs): app = current_app._get_current_object() msg = Message(subject, sender = app.config['MAIL_USERNAME'], recipients = [to]) msg.html = render_template('{}.html'.format(template), **kwargs) thr = Thread(target = send_async_email, args = [app, msg]) thr.start() return thr

从current_app的_get_current_object()方法拿到应用程序上下文。特此记录一下

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