Python-сообщество

INSTALLED_APPS = (
    ...
    'portal_users',
)
AUTH_USER_MODEL = 'portal_users.PortalUser'

class PortalUserManager(BaseUserManager):
    def create_user(self, password, email):
        """
        Creates and saves a User with the given username, password, email, created_a
        birth and password.
        """
        #if not username:
        #    raise ValueError('Users must have a username')
        if not email:
            raise ValueError('Users must have an email address')
        user = self.model(
            #username=username,
            email=self.normalize_email(email),
        )
        user.set_password(password)
        user.save(using=self._db)
        return user
    def create_superuser(self, password, email):
        user = self.create_user(password, email)
        user.save(using=self._db)
        return user
class PortalUser(AbstractBaseUser, PermissionsMixin):
    email = models.EmailField('email address', unique=True)
    first_name = models.CharField('first name', max_length=50, blank=True)
    last_name = models.CharField('last name', max_length=50, blank=True)
    is_staff = models.BooleanField('staff status', default=False,
                                   help_text='Designates whether the user can log into this admin site.')
    is_active = models.BooleanField('active', default=True,
                                    help_text=('Designates whether this user should be treated as '
                                                'active. Unselect this instead of deleting accounts.'))
    ... куча своих полей 
    def get_full_name(self):
        ...
    def get_short_name(self):
	...
    USERNAME_FIELD = 'email'
    created_at = models.DateTimeField(auto_now_add=True)
    REQUIRED_FIELDS = []
    objects = PortalUserManager()

from django.contrib import admin
from portal_users.models import PortalUser
class PortalUserAdmin(admin.ModelAdmin):
    list_display = [
	...
    ]
    list_filter = [
        ...
    ]
admin.site.register(PortalUser, PortalUserAdmin)