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# Copyright (C) 2010-2014 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/>.
"""Importing list data into Mailman 3."""
__all__ = [
'Import21',
]
import sys
from mailman.core.i18n import _
from mailman.database.transaction import transactional
from mailman.interfaces.command import ICLISubCommand
from mailman.interfaces.listmanager import IListManager
from mailman.utilities.importer import import_config_pck, Import21Error
from six.moves import cPickle
from zope.component import getUtility
from zope.interface import implementer
@implementer(ICLISubCommand)
class Import21:
"""Import Mailman 2.1 list data."""
name = 'import21'
def add(self, parser, command_parser):
"""See `ICLISubCommand`."""
self.parser = parser
# Required positional arguments.
command_parser.add_argument(
'listname', metavar='LISTNAME', nargs=1,
help=_("""\
The 'fully qualified list name', i.e. the posting address of the
mailing list to inject the message into."""))
command_parser.add_argument(
'pickle_file', metavar='FILENAME', nargs=1,
help=_('The path to the config.pck file to import.'))
@transactional
def process(self, args):
"""See `ICLISubCommand`."""
# Could be None or sequence of length 0.
if args.listname is None:
self.parser.error(_('List name is required'))
return
assert len(args.listname) == 1, (
'Unexpected positional arguments: %s' % args.listname)
fqdn_listname = args.listname[0]
mlist = getUtility(IListManager).get(fqdn_listname)
if mlist is None:
self.parser.error(_('No such list: $fqdn_listname'))
return
if args.pickle_file is None:
self.parser.error(_('config.pck file is required'))
return
assert len(args.pickle_file) == 1, (
'Unexpected positional arguments: %s' % args.pickle_file)
filename = args.pickle_file[0]
with open(filename, 'rb') as fp:
while True:
try:
config_dict = cPickle.load(fp)
except EOFError:
break
except cPickle.UnpicklingError:
self.parser.error(
_('Not a Mailman 2.1 configuration file: $filename'))
return
else:
if not isinstance(config_dict, dict):
print(_('Ignoring non-dictionary: {0!r}').format(
config_dict), file=sys.stderr)
continue
try:
import_config_pck(mlist, config_dict)
except Import21Error as error:
print(error, file=sys.stderr)
sys.exit(1)
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