56 lines
2.6 KiB
Python
56 lines
2.6 KiB
Python
# ===============================================================================
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# Copyright (C) 2010 Diego Duclos
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#
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# This file is part of eos.
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#
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# eos is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# eos 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 Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with eos. If not, see <http://www.gnu.org/licenses/>.
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# ===============================================================================
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from sqlalchemy import Column, String, Integer, Boolean, ForeignKey, Table
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from sqlalchemy.orm import relation, mapper, synonym, deferred
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from eos.db import gamedata_meta
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from eos.gamedata import Item, MarketGroup
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import eos.config
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marketgroups_table = Table("invmarketgroups", gamedata_meta,
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Column("marketGroupID", Integer, primary_key=True),
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*[Column("marketGroupName{}".format(lang), String) for lang in eos.config.translation_mapping.values()],
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*[Column("marketGroupDescription{}".format(lang), String) for lang in eos.config.translation_mapping.values()],
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Column("hasTypes", Boolean),
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Column("parentGroupID", Integer,
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ForeignKey("invmarketgroups.marketGroupID", initially="DEFERRED", deferrable=True)),
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Column("iconID", Integer))
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props = {
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"items": relation(Item, backref="marketGroup"),
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"parent": relation(MarketGroup, backref="children", remote_side=[marketgroups_table.c.marketGroupID]),
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"ID": synonym("marketGroupID"),
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"name": synonym("marketGroupName{}".format(eos.config.lang)),
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"description": synonym("_description{}".format(eos.config.lang)),
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}
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# Create deferred columns shadowing all the description fields. The literal `description` property will dynamically
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# be assigned as synonym to one of these
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# this is mostly here to allow the db_update to be language-agnostic
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# todo: determine if we ever use market group descriptions... can we just get with of these?
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props.update({'_description' + v: deferred(marketgroups_table.c['marketGroupDescription' + v]) for (k, v) in eos.config.translation_mapping.items()})
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mapper(
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MarketGroup,
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marketgroups_table,
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properties=props
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)
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