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authorBarry Warsaw2014-09-27 18:16:22 -0400
committerBarry Warsaw2014-09-27 18:16:22 -0400
commitb3500aefb15c63ccf60ab4508868f770ffd2d309 (patch)
tree049e083e3ce28e7e504c1945f0dd8e2cf09dd40b /src/mailman/commands/cli_migrate.py
parenteef73255db608785a55c055cbbfb800603671ff6 (diff)
parent03647b16eb75cc841bb15c3c48ac5f18f77118b8 (diff)
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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
+from mailman.utilities.modules import expand_path
+
+
+
+@implementer(ICLISubCommand)
+class Migrate:
+ """Migrate the Mailman database to the latest 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."""))
+ command.parser_add_argument(
+ '-q', '--quiet',
+ action='store_true', default=False,
+ help=('Produce less output.'))
+
+ def process(self, args):
+ alembic_cfg = Config()
+ alembic_cfg.set_main_option(
+ 'script_location', expand_path(config.database['alembic_scripts']))
+ if args.autogenerate:
+ command.revision(alembic_cfg, autogenerate=True)
+ else:
+ command.upgrade(alembic_cfg, 'head')
+ if not args.quiet:
+ print('Updated the database schema.')