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annotate user_photos/s3.py @ 887:9a15f7c27526

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Actually save model object upon change. This commit was tested on the comments model. Additional logging added. Added check for Markdown image references. Added TODOs after observing behavior on comments.
author Brian Neal <bgneal@gmail.com>
date Tue, 03 Feb 2015 21:09:44 -0600
parents bf5340705d0c
children
rev   line source
bgneal@718 1 """Module for all S3 related operations for the user_photos application."""
bgneal@718 2
bgneal@718 3 import logging
bgneal@718 4
bgneal@718 5 from django.conf import settings
bgneal@718 6
bgneal@718 7 from core.s3 import S3Bucket
bgneal@718 8
bgneal@718 9
bgneal@718 10 logger = logging.getLogger(__name__)
bgneal@718 11
bgneal@718 12
bgneal@718 13 def delete_photos(qs):
bgneal@718 14 """Delete the photos stored on S3 for the given Photo queryset.
bgneal@718 15
bgneal@718 16 Returns the number of photos actually deleted.
bgneal@718 17
bgneal@718 18 """
bgneal@718 19
bgneal@718 20 bucket = S3Bucket(settings.USER_PHOTOS_ACCESS_KEY,
bgneal@718 21 settings.USER_PHOTOS_SECRET_KEY,
bgneal@718 22 settings.USER_PHOTOS_BASE_URL,
bgneal@718 23 settings.USER_PHOTOS_BUCKET)
bgneal@718 24
bgneal@718 25 key_urls = []
bgneal@718 26 for photo in qs:
bgneal@718 27 key_urls.append(photo.url)
bgneal@718 28 key_urls.append(photo.thumb_url)
bgneal@718 29 req_cnt = len(key_urls)
bgneal@718 30
bgneal@718 31 logger.info("Requesting deletion of %d user photo(s) from S3", req_cnt)
bgneal@718 32
bgneal@718 33 act_cnt = bucket.delete_keys(key_urls)
bgneal@718 34
bgneal@718 35 if act_cnt == req_cnt:
bgneal@718 36 logger.info("Deleted %d user photo(s) from S3", act_cnt)
bgneal@718 37 else:
bgneal@718 38 logger.warning("Deleted %d user photo(s) out of %d", act_cnt, req_cnt)
bgneal@718 39
bgneal@718 40 return act_cnt