django-userel 0.0.1

Extend ForeignKey field for User. It support ``auto_now`` and ``auto_now_add``

Userel is a extend ForeignKey for User model. It add auto_now and auto_now_add for setting current access user automatically.

Install

sudo pip install django-userel

or:

sudo pip install git+https://github.com/lambdalisue/django-userel.git#egg=django-userel

How to Use

1. Append ‘userel’ to INSTALLED_APPS

2. Add ‘userel.middlewares.UserelDefaultBackendMiddleware’ to your MIDDLEWARE_CLASSES if you use default userel backend

Example mini blog app

models.py:

from django.db import models
from django.contrib.auth.models import User

from userel.fields import UserelField

class Entry(models.Model):
        PUB_STATES = (
                ('public', 'public entry'),
                ('protected', 'login required'),
                ('private', 'secret entry'),
        )
        pub_state = models.CharField('publish status', choices=PUB_STATES)
        title = models.CharField('title', max_length=140)
        body = models.TextField('body')

created_by = UserelField('created by', related_name='entries_create', auto_now_add=True)
updated_by = UserelField('updated_by', related_name='entries_update', auto_now=True)

Settings

USEREL_BACKEND

Class or string path of backend. the backend is used to determine user when object is created/updated.

Backend

The default backend use thread_locals storategy to get current request in signal call.

If you want to change the strategy or whatever, create your own backend.

A backend is a class which have get_user method to determine current user.

UserelDefaultBackend

Default backend. This backend return None when no request found or AnonymousUser create/update object.

UserelSystemUserBackend

System user backend. This backend return system user when no request found or AnonymousUser create/update object.

system user is determined with get_system_user method and default is User.objects.get(pk=1)