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# Copyright (C) 2010-2017 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."""
import sys
import click
import pickle
from contextlib import ExitStack
from mailman.core.i18n import _
from mailman.database.transaction import transaction
from mailman.interfaces.command import ICLISubCommand
from mailman.interfaces.listmanager import IListManager
from mailman.utilities.importer import Import21Error, import_config_pck
from mailman.utilities.modules import hacked_sys_modules
from mailman.utilities.options import I18nCommand
from public import public
from zope.component import getUtility
from zope.interface import implementer
# A fake Bouncer class from Mailman 2.1, we don't use it but there are
# instances in the .pck files.
class Bouncer:
class _BounceInfo:
pass
@click.command(
cls=I18nCommand,
help=_("""\
Import Mailman 2.1 list data'. Requires the fully-qualified name of the
list to import and the path to the Mailman 2.1 pickle file."""))
@click.argument('listspec')
@click.argument(
'pickle_file', metavar='PICKLE_FILE',
type=click.File(mode='rb'))
@click.pass_context
def import21(ctx, listspec, pickle_file):
mlist = getUtility(IListManager).get(listspec)
if mlist is None:
ctx.fail(_('No such list: $listspec'))
with ExitStack() as resources:
resources.enter_context(hacked_sys_modules('Mailman.Bouncer', Bouncer))
resources.enter_context(transaction())
while True:
try:
config_dict = pickle.load(
pickle_file, encoding='utf-8', errors='ignore')
except EOFError:
break
except pickle.UnpicklingError:
ctx.fail(
_('Not a Mailman 2.1 configuration file: $pickle_file'))
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)
@public
@implementer(ICLISubCommand)
class Import21:
name = 'import21'
command = import21
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