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# Copyright (C) 2001-2017 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/>.
"""Calculate the list owner recipients (includes moderators)."""
from mailman.config import config
from mailman.core.i18n import _
from mailman.interfaces.handler import IHandler
from mailman.interfaces.member import DeliveryStatus
from public import public
from zope.interface import implementer
@public
@implementer(IHandler)
class OwnerRecipients:
"""Calculate the owner (and moderator) recipients for -owner postings."""
name = 'owner-recipients'
description = _('Calculate the owner and moderator recipients.')
def process(self, mlist, msg, msgdata):
"""See `IHandler`."""
# Short circuit if we've already calculated the recipients list,
# regardless of whether the list is empty or not.
if 'recipients' in msgdata:
return
# -owner messages go to both the owners and moderators, which is most
# conveniently accessed via the administrators roster.
recipients = set(admin.address.email
for admin in mlist.administrators.members
if admin.delivery_status == DeliveryStatus.enabled)
# To prevent -owner messages from going into a black hole, if there
# are no administrators available, the message goes to the site owner.
if len(recipients) == 0:
# Ensure that the site owner address is a unicode.
# See LP: #1130957
site_owner = config.mailman.site_owner
if isinstance(site_owner, bytes):
site_owner = site_owner.decode('utf-8')
msgdata['recipients'] = set((site_owner,))
else:
msgdata['recipients'] = recipients
# Don't decorate these messages with the header/footers. Eventually
# we should support unique decorations for owner emails.
msgdata['nodecorate'] = True
# We should probably always VERP deliveries to the owners. We
# *really* want to know if they are bouncing.
msgdata['verp'] = True
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