Django safedelete
What is it ?
For various reasons, you may want to avoid deleting objects from your database.
This Django application provides a model mixin, that allows you to transparently retrieve or delete your objects, without having them deleted from your database.
- You can choose what happens when you delete an object :
it can be masked from your database (soft delete)
it can be normally deleted (hard delete)
it can be hard-deleted, but if its deletion would delete other objects, it will only be masked
it can be never deleted or masked from your database (no delete, use with caution)
Example
# Models
# We create a new mixin, with the given policy : Objects will be hard-deleted, or soft deleted if other objects would have been deleted too.
SafeDeleteMixin = safedelete_mixin_factory(HARD_DELETE_NOCASCADE)
class Article(SafeDeleteMixin):
name = models.CharField(max_length=100)
class Order(SafeDeleteMixin):
name = models.CharField(max_length=100)
articles = models.ManyToManyField(Article)
# Example of use
>>> article1 = Article(name='article1')
>>> article1.save()
>>> article2 = Article(name='article2')
>>> article2.save()
>>> order = Order(name='order')
>>> order.save()
>>> order.articles.add(article1)
# This article will be masked, but not deleted from the database as it is still referenced in an order.
>>> article1.delete()
# This article will be deleted from the database.
>>> article2.delete()Compatibilities
Branch 0.2.x is compatible with django >= 1.2
Branch 0.3.x is compatible with django >= 1.4
Current branch (0.3.x) has been tested with :
Django 1.4, using python 2.6 and 2.7.
Django 1.5 and 1.6, using python 2.6, 2.7 and 3.x.
Django 1.7 using python 2.7 and python 3.x.
Installation
Installing from pypi (using pip).
pip install django-safedelete
Installing from github.
pip install -e git://github.com/makinacorpus/django-safedelete.git#egg=django-safedelete
The application doesn’t have any special requirement.
Documentation
The documentation is available here.
Licensing
Please see the LICENSE file.
Contacts
Please see the AUTHORS file.
CHANGELOG
0.3.0
** New **
Add a NO_DELETE policy which never soft or hard deletes an instance
Django 1.8 compatibility
** Removed **
Support of Django 1.2 and Django 1.3 has been removed
** Bugfixes **
all_with_deleted method doesn’t lose current queryset on a related manager
uniqueness is now checked against soft deleted instances too
prefetch_related() now works with SafedeleteQuerySet
Fix the undelete action in the administration for active objects.
0.2.1 (2014-12-15)
** New **
Extends Django compatibility to Django 1.2
0.2.0 (2014-12-09)
** New **
Django compatilibty 1.3 => 1.7
Add administration utilities
Release files for django-safedelete 0.3.0
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Release files / django-safedelete-0.3.0.tar.gz
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