email_combo_backend.py

email_combo_backend.py

# vim: fileencoding=utf-8

from django.core.mail.backends.base import BaseEmailBackend

from django.core.mail import get_connection

from django.conf import settings

import logging
logger = logging.getLogger('django')

CONN1 = getattr(settings, 'COMBO_MAILER_BACKEND1', 'mailer.backend.DbBackend')
CONN2 = getattr(settings, 'COMBO_MAILER_BACKEND2', 'django.core.mail.backends.smtp.EmailBackend')

BACKEND1 = get_connection(CONN1)
BACKEND2 = get_connection(CONN2)

class ComboBackend(BaseEmailBackend):
    """Write to the db first and failing that do the smtp
    """

    def send_messages(self, email_messages):
        """Needs to call get_connection() because inheritance caused
        problems no one cares about when it's a cunt hair to fucking midnight
        """

        try:
            logger.info('Send using %s' % CONN1)
            return BACKEND1.send_messages(email_messages)
        except Exception, e:
            logger.error('Caught exception "%s"' % e)
            logger.info('Send using backup connection %s' % CONN2)
            return BACKEND2.send_messages(email_messages)

# EOF