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# Copyright (C) 2007-2009 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""Application level bounce handling."""
from __future__ import unicode_literals
__metaclass__ = type
__all__ = [
'bounce_message',
]
import logging
from email.mime.message import MIMEMessage
from email.mime.text import MIMEText
from mailman import Message
from mailman import Utils
from mailman.i18n import _
log = logging.getLogger('mailman.config')
def bounce_message(mlist, msg, e=None):
# Bounce a message back to the sender, with an error message if provided
# in the exception argument.
sender = msg.get_sender()
subject = msg.get('subject', _('(no subject)'))
subject = Utils.oneline(subject,
Utils.GetCharSet(mlist.preferred_language))
if e is None:
notice = _('[No bounce details are available]')
else:
notice = _(e.notice)
# Currently we always craft bounces as MIME messages.
bmsg = Message.UserNotification(msg.get_sender(),
mlist.owner_address,
subject,
lang=mlist.preferred_language)
# BAW: Be sure you set the type before trying to attach, or you'll get
# a MultipartConversionError.
bmsg.set_type('multipart/mixed')
txt = MIMEText(notice,
_charset=Utils.GetCharSet(mlist.preferred_language))
bmsg.attach(txt)
bmsg.attach(MIMEMessage(msg))
bmsg.send(mlist)
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