Extend Django User model

Question

I want the exact same behaviour as django.contrib.auth.User but I need to extend the model with some user preferences and profile specific fields.

I know I could eventually make two new models which could be

class Profile(models.Model): user = OneToOneField(User) age = SmallPositiveIntegerField()

and

class Preference(models.Model): user = OneToOneField(User) background_color = CharField(max_length=6)

I don't know if it's smart to separate these things.

But I want to retrieve the user preferences on each page and if I use this approach by extending the User model with an OneToOneField it costs another sql query for each time I get user.preference.background_color.

I think it might be overkill to substitute the User model (or what) so what can I do?

Will proxy models be the answer?

docs.djangoproject.com/en/1.7/topics/auth/customizing/…

coldmind
– coldmind

2014-11-17 18:49:48 +00:00
Commented Nov 17, 2014 at 18:49 — coldmind
– coldmind, Commented Nov 17, 2014 at 18:49

ekrah · Accepted Answer · 2014-11-17 21:16:07Z

The way people (Two Scoops, for example) generally recommend doing this is by subclassing AbstractUser (or AbstractBaseUser if you want even fewer of the base user fields; baseuser just gives you password, login timestamp, and is_active). You'd then just add fields as you would for a normal model and query them as you would for a normal model.

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