forked from openlp/openlp
95 lines
4.1 KiB
Python
95 lines
4.1 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2018 OpenLP Developers #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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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.lib.db 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=True)
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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=True)
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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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