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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/>.
"""bin/mailman migrate."""
from __future__ import absolute_import, print_function, unicode_literals
__metaclass__ = type
__all__ = [
'Migrate',
]
from alembic import command
from alembic.config import Config
from zope.interface import implementer
from mailman.config import config
from mailman.core.i18n import _
from mailman.interfaces.command import ICLISubCommand
@implementer(ICLISubCommand)
class Migrate:
"""Migrate the mailman database to the schema."""
name = 'migrate'
def add(self, parser, command_parser):
"""See `ICLISubCommand`."""
command_parser.add_argument(
'-a', '--autogenerate',
action="store_true", help=_("""\
Autogenerate the migration script using alembic"""))
pass
def process(self, args):
alembic_cfg= Config()
alembic_cfg.set_main_option(
"script_location", config.alembic['script_location'])
if args.autogenerate:
command.revision(alembic_cfg, autogenerate=True)
else:
command.upgrade(alembic_cfg, "head")
print("Updated the database schema.")
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