port_me/senddigests.py

   1 # Copyright (C) 1998-2015 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 import os
  19 import sys
  20 import optparse
  21
  22 from mailman import MailList
  23 from mailman.core.i18n import _
  24 from mailman.initialize import initialize
  25 from mailman.version import MAILMAN_VERSION
  26
  27 # Work around known problems with some RedHat cron daemons
  28 import signal
  29 signal.signal(signal.SIGCHLD, signal.SIG_DFL)
  30
  31
  32 \f
  33 def parseargs():
  34     parser = optparse.OptionParser(version=MAILMAN_VERSION,
  35                                    usage=_("""\
  36 %prog [options]
  37
  38 Dispatch digests for lists w/pending messages and digest_send_periodic
  39 set."""))
  40     parser.add_option('-l', '--listname',
  41                       type='string', default=[], action='append',
  42                       dest='listnames', help=_("""\
  43 Send the digest for the given list only, otherwise the digests for all
  44 lists are sent out.  Multiple -l options may be given."""))
  45     parser.add_option('-C', '--config',
  46                       help=_('Alternative configuration file to use'))
  47     opts, args = parser.parse_args()
  48     if args:
  49         parser.print_help()
  50         print >> sys.stderr, _('Unexpected arguments')
  51         sys.exit(1)
  52     return opts, args, parser
  53
  54
  55 \f
  56 def main():
  57     opts, args, parser = parseargs()
  58     initialize(opts.config)
  59
  60     for listname in set(opts.listnames or config.list_manager.names):
  61         mlist = MailList.MailList(listname, lock=False)
  62         if mlist.digest_send_periodic:
  63             mlist.Lock()
  64             try:
  65                 try:
  66                     mlist.send_digest_now()
  67                     mlist.Save()
  68                 # We are unable to predict what exception may occur in digest
  69                 # processing and we don't want to lose the other digests, so
  70                 # we catch everything.
  71                 except Exception as errmsg:
  72                     print >> sys.stderr, \
  73                       'List: %s: problem processing %s:\n%s' % \
  74                         (listname,
  75                          os.path.join(mlist.data_path, 'digest.mbox'),
  76                          errmsg)
  77             finally:
  78                 mlist.Unlock()
  79
  80
  81 \f
  82 if __name__ == '__main__':
  83     main()