Flask邮件:如何同时处理多个电子邮件请求



所以我为我的应用程序编写了一个专门的flask应用程序来处理电子邮件,并将其部署在heroku上。我在其中设置了发送电子邮件的路线:

@app.route('/send', methods=['POST'])
def send_now():
with app.app_context():
values = request.get_json()
email = values['email']
code = values['code']
secret_2 = str(values['secret'])
mail = Mail(app)
msg = Message("Password Recovery",sender="no*****@gmail.com",recipients=[email])
msg.html = "<h1>Your Recovery Code is: </h1><p>"+str(code)+"</p>"
if secret == secret_2:
mail.send(msg)
response = {'message': 'EmailSent'}
return jsonify(response), 201

它一次只适用于一个用户,但当多个用户发送POST请求时,客户端用户需要等待,直到POST返回201。因此,等待时间不断增加(甚至可能不发送(。那么,我该如何处理这个问题,以便容纳多个同时使用的用户呢。线程?缓冲器我不知道

您需要通过Python中的异步线程调用发送邮件。看看这个代码示例并在代码中实现。

from threading import Thread
from app import app
def send_async_email(app, msg):
with app.app_context():
mail.send(msg)
def send_email(subject, sender, recipients, text_body, html_body):
msg = Message(subject, sender=sender, recipients=recipients)
msg.body = text_body
msg.html = html_body
thr = Thread(target=send_async_email, args=[app, msg])
thr.start()

这将允许在后台发送邮件。

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