63 lines
2.3 KiB
Python
63 lines
2.3 KiB
Python
import logging
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from peewee import JOIN_LEFT_OUTER
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from data.database import (Image, ImageStorage, ImageStoragePlacement, ImageStorageLocation, db,
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db_for_update)
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from app import app, storage
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from data import model
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logger = logging.getLogger(__name__)
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def backfill_v1_metadata():
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""" Copies metadata from image storages to their images. """
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logger.debug('Image v1 metadata backfill: Began execution')
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while True:
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batch_image_ids = list(Image
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.select(Image.id)
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.join(ImageStorage)
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.where(Image.v1_json_metadata >> None, ImageStorage.uploading == False)
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.limit(100))
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if len(batch_image_ids) == 0:
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logger.debug('Image v1 metadata backfill: Backfill completed')
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return
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logger.debug('Image v1 metadata backfill: Found %s records to update', len(batch_image_ids))
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for one_id in batch_image_ids:
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with app.config['DB_TRANSACTION_FACTORY'](db):
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try:
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logger.debug('Loading image: %s', one_id.id)
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raw_query = (ImageStoragePlacement
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.select(ImageStoragePlacement, Image, ImageStorage, ImageStorageLocation)
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.join(ImageStorageLocation)
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.switch(ImageStoragePlacement)
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.join(ImageStorage, JOIN_LEFT_OUTER)
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.join(Image)
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.where(Image.id == one_id.id))
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placement_query = db_for_update(raw_query)
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repo_image_list = model.image.invert_placement_query_results(placement_query)
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if len(repo_image_list) > 1:
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logger.error('Found more images than we requested, something is wrong with the query')
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return
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repo_image = repo_image_list[0]
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uuid = repo_image.storage.uuid
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json_path = storage.image_json_path(uuid)
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logger.debug('Updating image: %s from: %s', repo_image.id, json_path)
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data = storage.get_content(repo_image.storage.locations, json_path)
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repo_image.v1_json_metadata = data
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repo_image.save()
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except ImageStoragePlacement.DoesNotExist:
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pass
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if __name__ == "__main__":
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logging.basicConfig(level=logging.DEBUG)
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# logging.getLogger('peewee').setLevel(logging.CRITICAL)
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backfill_v1_metadata()
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