{% if request.user.pk == profile.user.pk %}
you in 
{% else %}
not accespted 
{% ebdif %}

class UserProfileFormView(generic.DetailView):
    def get_context_data(self, *args, **kwargs):
        context = super(UserProfileFormView, self).get_context_data(*args, **kwargs)
        context['myapp1_exuser_profile'] = ExUserProfile.objects.get( id = request.user.pk )
        context['auth_user'] = User.objects.get( user_id = request.user.pk )
        return context

from django.views.generic import TemplateView
from braces.views import LoginRequiredMixin
class UserProfileFormView(LoginRequiredMixin, TemplateView):
    #optional
    login_url = "/signup/"
    redirect_field_name = "hollaback"
    raise_exception = True

class ExUserProfile(models.Model):
    user = models.ForeignKey(User, unique=True)
    middle_name = models.CharField(u'Ваше отчество:',max_length=25)
   # другие поля
    def __unicode__(self):
        return self.user

        context['myapp1_exuser_profile'] = ExUserProfile.objects.get( user_id = self.request.user.pk )
        context['auth_user'] = User.objects.get( id = self.request.user.pk )

class ExUserProfile(models.Model):
    user = models.ForeignKey(User, unique=True)
    middle_name = models.CharField(u'Отчество: ',max_length=25)
   # другие поля
    def __unicode__(self):
        return self.user
from registration.signals import user_registered
def user_registered_callback(sender, user, request, **kwargs):
    profile = ExUserProfile(user = user)
    profile.middle_name = request.POST['middle_name']
    # другие поля
    profile.save()
user_registered.connect(user_registered_callback)
from registration.forms import RegistrationForm
from django import forms
class ExUserRegistrationForm(RegistrationForm):
    username = forms.CharField(label = u'Логин:')
    first_name = forms.CharField(label = u'Имя:')
    middle_name = forms.CharField(label = u'Отчество:')
    last_name = forms.CharField(label = u'Фамилия:')
    # другие

mysql> show fields from auth_user;
+--------------+--------------+------+-----+---------+----------------+
| Field        | Type         | Null | Key | Default | Extra          |
+--------------+--------------+------+-----+---------+----------------+
| id           | int(11)      | NO   | PRI | NULL    | auto_increment |
| password     | varchar(128) | NO   |     | NULL    |                |
| last_login   | datetime     | NO   |     | NULL    |                |
| is_superuser | tinyint(1)   | NO   |     | NULL    |                |
| username     | varchar(30)  | NO   | UNI | NULL    |                |
| first_name   | varchar(30)  | NO   |     | NULL    |                |
| last_name    | varchar(30)  | NO   |     | NULL    |                |
| email        | varchar(75)  | NO   |     | NULL    |                |
| is_staff     | tinyint(1)   | NO   |     | NULL    |                |
| is_active    | tinyint(1)   | NO   |     | NULL    |                |
| date_joined  | datetime     | NO   |     | NULL    |                |
+--------------+--------------+------+-----+---------+----------------+

mysql> show fields from myapp1_exuserprofile;
+-------------------+--------------+------+-----+---------+----------------+
| Field             | Type         | Null | Key | Default | Extra          |
+-------------------+--------------+------+-----+---------+----------------+
| id                | int(11)      | NO   | PRI | NULL    | auto_increment |
| user_id           | int(11)      | NO   | UNI | NULL    |                |
| middle_name       | varchar(100) | NO   |     | NULL    |                |
...

 def get_context_data(self, *args, **kwargs):
        context = super(ExUserProfileFormView, self).get_context_data(*args, **kwargs)
        if self.request.user.is_authenticated():
            context['exuserprofile'] = ...
           ....
        else:
           ...
        return context

class ExUserProfileFormUpdate(generic.UpdateView):
    model = ExUserProfile
    fields = '__all__'