37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
import config
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import shutil
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import time
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import os
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def getVersion(db):
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cursor = db.execute('PRAGMA user_version')
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return cursor.fetchone()[0]
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def update(saveddata_engine):
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dbVersion = getVersion(saveddata_engine)
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files = os.listdir(os.path.join(os.path.dirname(__file__), "migrations"))
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appVersion = len([f for f in files if f.startswith("upgrade")])
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if dbVersion == appVersion:
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return
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if dbVersion < appVersion:
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# Automatically backup database
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toFile = "%s/saveddata_migration_%d-%d_%s.db"%(
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config.savePath,
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dbVersion,
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appVersion,
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time.strftime("%Y%m%d_%H%M%S"))
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shutil.copyfile(config.saveDB, toFile)
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for version in xrange(dbVersion, appVersion):
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module = __import__('eos.db.migrations.upgrade%d'%(version+1), fromlist=True)
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upgrade = getattr(module, "upgrade", False)
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if upgrade:
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upgrade(saveddata_engine)
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# when all is said and done, set version to current
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saveddata_engine.execute('PRAGMA user_version = %d'%appVersion)
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