62 lines
3.0 KiB
Python
62 lines
3.0 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, Float
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from sqlalchemy.ext.associationproxy import association_proxy
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from sqlalchemy.orm import relation, mapper, synonym, deferred
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from sqlalchemy.orm.collections import attribute_mapped_collection
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from eos.db import gamedata_meta
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from eos.types import Icon, Attribute, Item, Effect, MetaType, Group, Traits
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items_table = Table("invtypes", gamedata_meta,
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Column("typeID", Integer, primary_key=True),
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Column("typeName", String, index=True),
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Column("description", String),
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Column("raceID", Integer),
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Column("factionID", Integer),
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Column("volume", Float),
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Column("mass", Float),
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Column("capacity", Float),
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Column("published", Boolean),
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Column("marketGroupID", Integer, ForeignKey("invmarketgroups.marketGroupID")),
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Column("iconID", Integer, ForeignKey("icons.iconID")),
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Column("groupID", Integer, ForeignKey("invgroups.groupID"), index=True))
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from .metaGroup import metatypes_table # noqa
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from .traits import traits_table # noqa
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mapper(Item, items_table,
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properties={"group": relation(Group, backref="items"),
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"icon": relation(Icon),
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"_Item__attributes": relation(Attribute, collection_class=attribute_mapped_collection('name')),
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"effects": relation(Effect, collection_class=attribute_mapped_collection('name')),
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"metaGroup": relation(MetaType,
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primaryjoin=metatypes_table.c.typeID == items_table.c.typeID,
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uselist=False),
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"ID": synonym("typeID"),
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"name": synonym("typeName"),
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"description": deferred(items_table.c.description),
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"traits": relation(Traits,
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primaryjoin=traits_table.c.typeID == items_table.c.typeID,
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uselist=False)
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})
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Item.category = association_proxy("group", "category")
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