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# -*- coding: utf-8 -*-
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"""
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rhodecode.lib.dbmigrate.versions.__init__
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Package containing new versions of database models
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:created_on: Dec 11, 2010
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:author: marcink
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:copyright: (C) 2010-2012 Marcin Kuzminski <marcin@python-works.com>
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:license: GPLv3, see COPYING for more details.
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"""
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from sqlalchemy import *
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from sqlalchemy.exc import DatabaseError
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from sqlalchemy.orm import relation, backref, class_mapper, joinedload
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from sqlalchemy.orm.session import Session
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from sqlalchemy.ext.declarative import declarative_base
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from rhodecode.lib.dbmigrate.migrate import *
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from rhodecode.lib.dbmigrate.migrate.changeset import *
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from rhodecode.model.meta import Base
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from rhodecode.model import meta
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def _reset_base(migrate_engine):
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## RESET COMPLETLY THE metadata for sqlalchemy to use previous declared Base
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Base = declarative_base()
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Base.metadata.clear()
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Base.metadata = MetaData()
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Base.metadata.bind = migrate_engine
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meta.Base = Base
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