当用户的密码被更改时，在Django Model中发送邮件的最佳方式？

from django.dispatch import Signal

password_changed = Signal(providing_args=['user'])

from django.contrib.auth.models import AbstractUser
from django.db import models
from django.dispatch import receiver
from django.contrib.auth.hashers import make_password

from .signals import password_changed

class CustomUser(AbstractUser):
    # 自定义用户模型

    def set_password(self, raw_password):
        super().set_password(raw_password)
        self._password_changed = True  # 标记密码已更改
        password_changed.send(sender=self.__class__, user=self)

@receiver(password_changed)
def send_password_changed_email(sender, **kwargs):
    user = kwargs['user']
    # 在这里编写发送邮件的逻辑，可以使用Django的邮件发送功能
    # 这里只是一个示例，你可以根据实际需求进行自定义
    subject = 'Your password has been changed'
    message = f'Dear {user.username}, your password has been changed successfully.'
    user.email_user(subject, message)

from django.core.mail import send_mail

@receiver(password_changed)
def send_password_changed_email(sender, **kwargs):
    user = kwargs['user']
    subject = 'Your password has been changed'
    message = f'Dear {user.username}, your password has been changed successfully.'
    send_mail(subject, message, 'from@example.com', [user.email])