mirror of https://gitlab.com/openlp/openlp.git
94 lines
4.0 KiB
Python
94 lines
4.0 KiB
Python
# -*- coding: utf-8 -*-
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##########################################################################
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# OpenLP - Open Source Lyrics Projection #
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# ---------------------------------------------------------------------- #
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# Copyright (c) 2008-2024 OpenLP Developers #
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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 <https://www.gnu.org/licenses/>. #
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##########################################################################
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"""
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The :mod:`upgrade` module provides a way for the database and schema that is the
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backend for the projector setup.
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"""
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import logging
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from sqlalchemy import Column, Table, types
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from sqlalchemy.sql.expression import null
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from openlp.core.db.upgrades import get_upgrade_op
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log = logging.getLogger(__name__)
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# Initial projector DB was unversioned
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__version__ = 3
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log.debug('Projector DB upgrade module loading')
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def upgrade_1(session, metadata):
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"""
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Version 1 upgrade - old db might/might not be versioned.
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"""
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log.debug('Skipping projector DB upgrade to version 1 - not used')
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def upgrade_2(session, metadata):
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"""
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Version 2 upgrade.
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Update Projector() table to include new data defined in PJLink version 2 changes
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mac_adx: Column(String(18))
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serial_no: Column(String(30))
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sw_version: Column(String(30))
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model_filter: Column(String(30))
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model_lamp: Column(String(30))
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:param session: DB session instance
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:param metadata: Metadata of current DB
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"""
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log.debug('Checking projector DB upgrade to version 2')
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projector_table = Table('projector', metadata, autoload_with=metadata.bind)
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upgrade_db = 'mac_adx' not in [col.name for col in projector_table.c.values()]
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if upgrade_db:
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new_op = get_upgrade_op(session)
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new_op.add_column('projector', Column('mac_adx', types.String(18), server_default=null()))
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new_op.add_column('projector', Column('serial_no', types.String(30), server_default=null()))
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new_op.add_column('projector', Column('sw_version', types.String(30), server_default=null()))
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new_op.add_column('projector', Column('model_filter', types.String(30), server_default=null()))
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new_op.add_column('projector', Column('model_lamp', types.String(30), server_default=null()))
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log.debug('{status} projector DB upgrade to version 2'.format(status='Updated' if upgrade_db else 'Skipping'))
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def upgrade_3(session, metadata):
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"""
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Version 3 upgrade.
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Update Projector() table to inlcude PJLink class as part of record.
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pjlink_version: Column(String(1))
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:param session: DB Session instance
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:param metadata: Metadata of current DB
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"""
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log.debug('Checking projector DB upgrade to version 3')
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projector_table = Table('projector', metadata, autoload_with=metadata.bind)
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upgrade_db = 'pjlink_class' not in [col.name for col in projector_table.c.values()]
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if upgrade_db:
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new_op = get_upgrade_op(session)
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new_op.add_column('projector', Column('pjlink_class', types.String(5), server_default=null()))
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log.debug('{status} projector DB upgrade to version 3'.format(status='Updated' if upgrade_db else 'Skipping'))
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