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Deletes old files.

Project Description

django-cleanup automatically deletes files for FileField, ImageField, and subclasses. It will delete old files when a new file is being saved and it will delete files on model instance deletion.

Warning! If you use transactions you may lose files if a transaction will rollback at the right instance. Though this outcome is reduced by our use of post_save and post_delete signals, this outcome will still occur if there are errors in signals that are handled after our signals are handled. In this case, the old file will be lost and the new file will not be referenced in a model, though the new file will likely still exist on disk. If you are concerned about this behavior you will need another solution for old file deletion in your project. This is fixed in Django 1.9+ if you are using a database that supports transactions.

Features

  • Support for Django 1.8, 1.10, 1.11
  • Python 2.7 and 3.4+ support
  • Compatible with sorl-thumbnail and easy-thumbnail

How does it work?

django-cleanup connects post_init, pre_save, post_save, and post_delete signals to signal handlers for each model that has a FileField and which app is listed in INSTALLED_APPS. In order to tell whether or not a FileField’s value has changed a local cache of original values is kept on the model instance.

Installation

pip install django-cleanup

Configuration

Add django_cleanup to settings.py

INSTALLED_APPS = (
    ...
    'django_cleanup',
)

Signals

django-cleanup sends the following signals which can be imported from django_cleanup.signals:

  • cleanup_pre_delete just before a file is deleted. Passes a file keyword argument.
  • cleanup_post_delete just after a file is deleted. Passes a file keyword argument.

Signals example for sorl.thumbnail

from django_cleanup.signals import cleanup_pre_delete, cleanup_post_delete

def sorl_delete(**kwargs):
    from sorl.thumbnail import delete
    delete(kwargs['file'])

cleanup_pre_delete.connect(sorl_delete)

Refresh from DB

In Django 1.8, after a call to the method refresh_from_db, you will also need to refresh the cleanup cache on the instance. This is not required in Django 1.10+.

from django_cleanup import cleanup

...

instance.refresh_from_db()
cleanup.refresh(instance)
...

How to run tests

tox

License

django-cleanup is free software under terms of the MIT License.

Copyright (C) 2012 by Ilya Shalyapin, ishalyapin@gmail.com

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Release History

Release History

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1.0.1

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1.0.0

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0.4.2

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0.4.1

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0.4.0

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0.3.1

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0.1.13

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0.1

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django_cleanup-1.0.1-py2.py3-none-any.whl (10.5 kB) Copy SHA256 Checksum SHA256 py2.py3 Wheel Jul 14, 2017
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