Mailman/Digester.py

   1 # Copyright (C) 1998-2007 by the Free Software Foundation, Inc.
   2 #
   3 # This program is free software; you can redistribute it and/or
   4 # modify it under the terms of the GNU General Public License
   5 # as published by the Free Software Foundation; either version 2
   6 # of the License, or (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the Free Software
  15 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  16 # USA.
  17
  18
  19 """Mixin class with list-digest handling methods and settings."""
  20
  21 import os
  22 import errno
  23
  24 from Mailman import Errors
  25 from Mailman import Utils
  26 from Mailman.Handlers import ToDigest
  27 from Mailman.configuration import config
  28 from Mailman.i18n import _
  29
  30
  31 \f
  32 class Digester:
  33     def send_digest_now(self):
  34         # Note: Handler.ToDigest.send_digests() handles bumping the digest
  35         # volume and issue number.
  36         digestmbox = os.path.join(self.fullpath(), 'digest.mbox')
  37         try:
  38             try:
  39                 mboxfp = None
  40                 # See if there's a digest pending for this mailing list
  41                 if os.stat(digestmbox).st_size > 0:
  42                     mboxfp = open(digestmbox)
  43                     ToDigest.send_digests(self, mboxfp)
  44                     os.unlink(digestmbox)
  45             finally:
  46                 if mboxfp:
  47                     mboxfp.close()
  48         except OSError, e:
  49             if e.errno <> errno.ENOENT:
  50                 raise
  51             # List has no outstanding digests
  52             return False
  53         return True
  54
  55     def bump_digest_volume(self):
  56         self.volume += 1
  57         self.next_digest_number = 1