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1 """Module for all S3 related operations for the user_photos application."""
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2
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3 import logging
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4
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5 from django.conf import settings
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6
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7 from core.s3 import S3Bucket
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8
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9
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10 logger = logging.getLogger(__name__)
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11
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12
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13 def delete_photos(qs):
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14 """Delete the photos stored on S3 for the given Photo queryset.
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15
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16 Returns the number of photos actually deleted.
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17
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18 """
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19
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20 bucket = S3Bucket(settings.USER_PHOTOS_ACCESS_KEY,
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21 settings.USER_PHOTOS_SECRET_KEY,
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22 settings.USER_PHOTOS_BASE_URL,
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23 settings.USER_PHOTOS_BUCKET)
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24
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25 key_urls = []
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26 for photo in qs:
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27 key_urls.append(photo.url)
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28 key_urls.append(photo.thumb_url)
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29 req_cnt = len(key_urls)
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30
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31 logger.info("Requesting deletion of %d user photo(s) from S3", req_cnt)
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32
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33 act_cnt = bucket.delete_keys(key_urls)
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34
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35 if act_cnt == req_cnt:
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36 logger.info("Deleted %d user photo(s) from S3", act_cnt)
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37 else:
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38 logger.warning("Deleted %d user photo(s) out of %d", act_cnt, req_cnt)
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39
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40 return act_cnt
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