85 lines
3.3 KiB
Python
85 lines
3.3 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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import threading
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from sqlalchemy import MetaData, create_engine
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from sqlalchemy.orm import sessionmaker, scoped_session
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy import pool
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import migration
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from eos import config
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class ReadOnlyException(Exception):
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pass
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gamedata_connectionstring = config.gamedata_connectionstring
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if callable(gamedata_connectionstring):
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gamedata_engine = create_engine("sqlite://", creator=gamedata_connectionstring, echo=config.debug)
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else:
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gamedata_engine = create_engine(gamedata_connectionstring, echo=config.debug)
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gamedata_meta = MetaData()
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gamedata_meta.bind = gamedata_engine
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gamedata_session = sessionmaker(bind=gamedata_engine, autoflush=False, expire_on_commit=False)()
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# This should be moved elsewhere, maybe as an actual query. Current, without try-except, it breaks when making a new
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# game db because we haven't reached gamedata_meta.create_all()
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try:
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config.gamedata_version = gamedata_session.execute(
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"SELECT `field_value` FROM `metadata` WHERE `field_name` LIKE 'client_build'"
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).fetchone()[0]
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except:
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config.gamedata_version = None
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saveddata_connectionstring = config.saveddata_connectionstring
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if saveddata_connectionstring is not None:
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if callable(saveddata_connectionstring):
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saveddata_engine = create_engine(creator=saveddata_connectionstring, echo=config.debug)
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else:
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saveddata_engine = create_engine(saveddata_connectionstring, echo=config.debug)
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saveddata_meta = MetaData()
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saveddata_meta.bind = saveddata_engine
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saveddata_session = sessionmaker(bind=saveddata_engine, autoflush=False, expire_on_commit=False)()
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# Lock controlling any changes introduced to session
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sd_lock = threading.Lock()
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# Import all the definitions for all our database stuff
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from eos.db.gamedata import alphaClones, attribute, category, effect, group, icon, item, marketGroup, metaData, metaGroup, queries, traits, unit
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from eos.db.saveddata import booster, cargo, character, crest, damagePattern, databaseRepair, drone, fighter, fit, implant, implantSet, loadDefaultDatabaseValues, miscData, module, override, price, queries, skill, targetResists, user
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# Import queries
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from eos.db.gamedata.queries import *
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from eos.db.saveddata.queries import *
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# If using in memory saveddata, you'll want to reflect it so the data structure is good.
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if config.saveddata_connectionstring == "sqlite:///:memory:":
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saveddata_meta.create_all()
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def rollback():
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with sd_lock:
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saveddata_session.rollback()
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