duointeractive/django-athumb — pull request #14 by chenhouwu (2012-06-08 04:06:30+00:00)
Title: fix: get_available_name of S3BotoStorage behaves different to Storage

For Django's Storage, if we upload 2 photo with same name "photo.jpg", the later uploaded one will be renamed to "photo_1.jpg"

But for S3BotoStorage, the later uploaded one will still be "photo.jpg", and the former uploaded image will be overwritten.