src/mailman/mta/aliases.py

   1 # Copyright (C) 2011-2016 by the Free Software Foundation, Inc.
   2 #
   3 # This file is part of GNU Mailman.
   4 #
   5 # GNU Mailman is free software: you can redistribute it and/or modify it under
   6 # the terms of the GNU General Public License as published by the Free
   7 # Software Foundation, either version 3 of the License, or (at your option)
   8 # any later version.
   9 #
  10 # GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 # more details.
  14 #
  15 # You should have received a copy of the GNU General Public License along with
  16 # GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 """Utility for generating all the aliases of a mailing list."""
  19
  20 from mailman import public
  21 from mailman.interfaces.mta import IMailTransportAgentAliases
  22 from zope.interface import implementer
  23
  24
  25 SUBDESTINATIONS = (
  26     'bounces',
  27     'confirm',
  28     'join',
  29     'leave',
  30     'owner',
  31     'request',
  32     'subscribe',
  33     'unsubscribe',
  34     )
  35
  36
  37 @public
  38 @implementer(IMailTransportAgentAliases)
  39 class MailTransportAgentAliases:
  40     """Utility for generating all the aliases of a mailing list."""
  41
  42     def aliases(self, mlist):
  43         """See `IMailTransportAgentAliases`."""
  44         # Always return
  45         yield mlist.posting_address
  46         for destination in sorted(SUBDESTINATIONS):
  47             yield '{}-{}@{}'.format(
  48                 mlist.list_name, destination, mlist.mail_host)
  49
  50     def destinations(self, mlist):
  51         """See `IMailTransportAgentAliases`."""
  52         # Always return
  53         yield mlist.list_name
  54         for destination in sorted(SUBDESTINATIONS):
  55             yield '{}-{}'.format(mlist.list_name, destination)