43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
# loops.storage.migration.tracking
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"""Tools for migration of ZODB-/BTree-based tracks to SQL-based records."""
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from datetime import datetime
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import transaction
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import config
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from cco.storage.common import getEngine
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from cco.storage import tracking
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from loops.config.base import LoopsOptions
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from loops.storage.compat.common import Storage
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from loops import util
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def migrate(loopsRoot, recFolderName, factory=tracking.Container):
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rf = loopsRoot.getRecordManager().get(recFolderName)
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if rf is None:
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print('*** ERROR: folder %r not found!' % recFolderName)
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return
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options = LoopsOptions(loopsRoot)
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#print('*** database:', config.dbname, config.dbuser, config.dbpassword)
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schema = options('cco.storage.schema') or None
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if schema is not None:
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schema = schema[0]
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#print('*** schema:', schema)
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storage = Storage(getEngine(config.dbengine, config.dbname,
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config.dbuser, config.dbpassword,
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host=config.dbhost, port=config.dbport),
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schema=schema)
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container = storage.create(factory)
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for id, inTrack in rf.items():
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ts = datetime.fromtimestamp(inTrack.timeStamp)
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#print('*** in:', id, inTrack)
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head = [inTrack.metadata[k] for k in container.itemFactory.headFields]
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#print('*** out:', head, ts)
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track = container.itemFactory(*head, trackId=int(id),
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timeStamp=ts, data=inTrack.data)
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container.upsert(track)
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ouid = util.getUidForObject(inTrack)
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storage.storeUid(ouid, track.uid)
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transaction.commit()
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