gistfile1.py

def userprofile(request, template_name="account/userprofile.html", username=''):
  
  if username=='root':
        raise Http404

  user = get_object_or_404(User, username=username)
  profile = user.get_profile()
    
  data = {
    "profile":profile
  }
  return render_to_response(template_name,
                                data,
                                context_instance=RequestContext(request))