How to add custom permission to the User model in django?

Question

in django by default when syncdb is run with django.contrib.auth installed, it creates default permissions on each model... like foo.can_change , foo.can_delete and foo.can_add. To add custom permissions to models one can add class Meta: under the model and define permissions there, as explained here https://docs.djangoproject.com/en/dev/topics/auth/#custom-permissions

My question is that what should I do if I want to add a custom permission to the User model? like foo.can_view. I could do this with the following snippet,

ct = ContentType.objects.get(app_label='auth', model='user')
perm = Permission.objects.create(codename='can_view', name='Can View Users', 
                                  content_type=ct)
perm.save()

But I want something that plays nicely with syncdb, for example the class Meta under my custom models. Should I just have these in class Meta: under UserProfile since that is the way to extend the user model. but is that the RIGHT way to do it? Wouldn't that tie it to UserProfile model?

Answer 1

You could do something like this:

in the __init__.py of your Django app add:

from django.db.models.signals import post_syncdb
from django.contrib.contenttypes.models import ContentType
from django.contrib.auth import models as auth_models
from django.contrib.auth.models import Permission

# custom user related permissions
def add_user_permissions(sender, **kwargs):
    ct = ContentType.objects.get(app_label='auth', model='user')
    perm, created = Permission.objects.get_or_create(codename='can_view', name='Can View Users', content_type=ct)
post_syncdb.connect(add_user_permissions, sender=auth_models)