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# Copyright (C) 2001-2008 by the Free Software Foundation, Inc.
#
# This program 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 2
# of the License, or (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.
"""Get the normal delivery recipients from a Sendmail style :include: file."""
from __future__ import with_statement
__metaclass__ = type
__all__ = ['FileRecipients']
import os
import errno
from zope.interface import implements
from mailman import Errors
from mailman.i18n import _
from mailman.interfaces import IHandler
class FileRecipients:
"""Get the normal delivery recipients from an include file."""
implements(IHandler)
name = 'file-recipients'
description = _('Get the normal delivery recipients from an include file.')
def process(self, mlist, msg, msgdata):
"""See `IHandler`."""
if 'recips' in msgdata:
return
filename = os.path.join(mlist.full_path, 'members.txt')
try:
with open(filename) as fp:
addrs = set(line.strip() for line in fp)
except IOError, e:
if e.errno <> errno.ENOENT:
raise
msgdata['recips'] = set()
return
# If the sender is a member of the list, remove them from the file
# recipients.
sender = msg.get_sender()
member = mlist.members.get_member(sender)
if member is not None:
addrs.discard(member.address.address)
msgdata['recips'] = addrs
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