Django models with OneToOne relationships?

Question

Let\'s say I\'m using the default auth.models.User plus my custom Profile and Address models which look like this:

class P         


        

Answer 1

You should look into the officially recommended way to extend the User model first, as seen in the docs, which I believe comes directly from the project manager's personal blog about the subject. (The actual blog article is rather old, now)

As for your actual issue with forms, have a look at the project manager's own reusable django-profiles app and see if perusing the code solves your issue. Specifically these functions and the views in which they are utilized.

Edited to Add:

I've looked into it a bit (as I needed to do so myself). It seems something like so would be sufficient:

# apps.profiles.models

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

class UserProfile(models.Model):
    user = models.ForeignKey(User, unique=True)
    ...
    birth_date = models.DateField(blank=True, null=True)
    joined = models.DateTimeField(auto_now_add=True)
    modified = models.DateTimeField(auto_now=True)

    class Meta:
        verbose_name = 'user profile'
        verbose_name_plural = 'user profiles'
        db_table = 'user_profiles'

class Address(models.Model):
    user = models.ForeignKey(UserProfile)
    ...

# apps.profiles.forms

from django import forms
from django.forms import ModelForm
from django.forms.models import inlineformset_factory
from django.contrib.auth.models import User
from apps.profiles.models import UserProfile, Address

class UserForm(ModelForm):
    class Meta:
        model = User
        ...

class UserProfileForm(ModelForm):
    class Meta:
        model = UserProfile
        ...

AddressFormSet = inlineformset_factory(UserProfile, Address)

I was using "..." to snip content in the code above. I have not yet tested this out but from looking through examples and the documentation on forms I believe this to be correct.

Note I put the FK from the Address model to the UserProfile and not the other way around, as in your question. I believe the inline formsets need this to work correctly.

Then of course in your views and templates you will end up treating UserForm, UserProfileForm, and AddressFormSet separately but they can all be inserted into the same form.