#urls.py
url(r'^$', HomeProfile.as_view(), name = 'profile_home'),
url(r'^(?P<username>.+)/$', HomeProfile.as_view(), name = 'profile_home'),

#views.py
from django.contrib.auth import authenticate, login, logout
from django.shortcuts import render, render_to_response, get_object_or_404, redirect
from django.contrib.auth.decorators import login_required
from django.contrib.auth.models import User
from django.views.generic import ListView
from django.http import Http404

# Modules
from userprofile.models import Profile


class HomeProfile(ListView):
    context_object_name = "profile"
    template_name = "profile/presentation.html",

    def get_queryset(self):
        try:
            username = get_object_or_404(Profile, user=self.request.user)
            return username
        except Profile.DoesNotExist:
            raise Http404

#models.py
class Profile(models.Model):
    user = models.ForeignKey(User)
    ...

#erreurs:
No Profile matches the given query.