Simple app to help purging old data like sesions, nonces, logs etc.. It's like django-admin.py clearsessions command but gives you possibility to purge anything. Simpliest way to use datapurge is to run management command (manually or via cron):

python manage.py purge

It's easy to integrate datapurge with celery or kronos. Just wrap datapurge.actions.purge function with code corresponding to your task backend and run it the way you want.

• Python (2.6, 2.7, 3.4, 3.5)
• Django>=1.3.7

Install from PyPI using pip:

pip install django-datapurge

Or clone this repo:

git clone git@github.com:swistakm/django-datapurge.git

Add 'datapurge' to your INSTALLED_APPS setting.

INSTALLED_APPS = (
    ...
    'datapurge',
)

Add DATAPURGE_MODELS to your settings file and specify which models should be purged:

DATAPURGE_MODELS = {
    'app_name.ModelName1': {
        # policy settings
        ...
        },
    'app_name.ModelName2': {
        ...
        },
}

There are a few available policies for your use. Use what you find most convienient. Policy is guessed from set parameters provided.

Deletes all objects which expire_field datetime is older than timezone.now().

Parameters:

• 'expire_field' - name of datetime field holding expiration date

Example:

DATAPURGE_MODELS = {
    "sessions.Session": {
        "expire_field": "expire_date",
    }
}

Deletes all objects which are older than specified lifetime

Parameters:

• 'lifetime' - timedelta object specifying maximum lifetime of object
• 'created_field' - name of datetime field holding object creation time

Example:

from timezone import timedelta

DATAPURGE_MODELS = {
    "oauth_provider.Nonce": {
        "lifetime": timedelta(seconds=300),
        "created_field": "timestamp",
    }

Deletes all objects from query returned by provided callable

Parameters:

• 'callable' - function accepting model class and returning QuerySet

Example:

DATAPURGE_MODELS = {
    "some_app.Log": {
        "callable": lambda model: model.objects.all(),
    }