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如何安排与Django Mailer的电子邮件发送

django-mailer schedule email django python

espenhogbakk · 技术社区 · 16 年前

我正在制作一个django应用程序,它需要能够发送电子邮件,然后在给定的时间发送出去。我在想我可以用Django Mailer把东西放进Que然后寄出去。但即使他们的示例案例列表列出了这是一个特性,我似乎也不知道如何。

我需要的是能够在Django Mailer的消息模型中设置一个“何时发送”字段,当cron作业触发发送邮件功能时,这需要过滤掉那些“何时发送”日期大于当前时间的邮件…

def send_all():
    """
    Send all eligible messages in the queue.
    """

    lock = FileLock("send_mail")

    logging.debug("acquiring lock...")
    try:
        lock.acquire(LOCK_WAIT_TIMEOUT)
    except AlreadyLocked:
        logging.debug("lock already in place. quitting.")
        return
    except LockTimeout:
        logging.debug("waiting for the lock timed out. quitting.")
        return
    logging.debug("acquired.")

    start_time = time.time()

    dont_send = 0
    deferred = 0
    sent = 0

    try:
        for message in prioritize():
            if DontSendEntry.objects.has_address(message.to_address):
                logging.info("skipping email to %s as on don't send list " % message.to_address)
                MessageLog.objects.log(message, 2) # @@@ avoid using literal result code
                message.delete()
                dont_send += 1
            else:
                try:
                    logging.info("sending message '%s' to %s" % (message.subject.encode("utf-8"), message.to_address.encode("utf-8")))
                    core_send_mail(message.subject, message.message_body, message.from_address, [message.to_address])
                    MessageLog.objects.log(message, 1) # @@@ avoid using literal result code
                    message.delete()
                    sent += 1
                except (socket_error, smtplib.SMTPSenderRefused, smtplib.SMTPRecipientsRefused, smtplib.SMTPAuthenticationError), err:
                    message.defer()
                    logging.info("message deferred due to failure: %s" % err)
                    MessageLog.objects.log(message, 3, log_message=str(err)) # @@@ avoid using literal result code
                    deferred += 1
    finally:
        logging.debug("releasing lock...")
        lock.release()
        logging.debug("released.")

    logging.info("")
    logging.info("%s sent; %s deferred; %s don't send" % (sent, deferred, dont_send))
    logging.info("done in %.2f seconds" % (time.time() - start_time))

有人知道如何自定义此功能,使其不发送邮件。何时“发送到”字段大于当前时间?

2 回复 | 直到 16 年前

shawnr 16 年前

您只需在消息处理循环下的条件中添加另一个子句(您还需要在文件顶部导入datetime):

         for message in prioritize():
            if DontSendEntry.objects.has_address(message.to_address):
                logging.info("skipping email to %s as on don't send list " % message.to_address)
                MessageLog.objects.log(message, 2) # @@@ avoid using literal result code
                message.delete()
                dont_send += 1
            elif message.when_to_send > datetime.datetime.now():
                continue
            else:
                try:
                  ... the rest of your code ...

Adam Nelson 15 年前

您需要为实现cron作业 django-mailer :

* * * * * (cd $PINAX; /usr/local/bin/python2.5 manage.py send_mail >> $PINAX/cron_mail.log 2>&1)

然后在 engine.py 第96行:

   # Get rid of "while True:"
   while not Message.objects.all():
        # Get rid of logging.debug("sleeping for %s seconds before checking queue again" % EMPTY_QUEUE_SLEEP)
        # Get rid of sleep
        send_all()