#### модель
class Access(models.Model):

    class Meta:

        managed = False

        permissions = (
            ('customer_rights', 'Global customer rights'),
            ('access', 'Roots')
        )



####### вьюшка
content_type = ContentType.objects.get(app_label='registration', model='access')
permission = Permission.objects.get_or_create(codename='rights',
                                              name='Global customer rights',
                                              content_type=content_type)

user = User.objects.create_user(username=form.cleaned_data.get('email'),
                                password=form.cleaned_data.get('password'))
user.save()
user.user_permissions.add(permission)