text: from django.conf.urls import url, include
  from django.contrib import admin
  from django.contrib.auth import context_processors
  from django.contrib.auth.forms import AuthenticationForm
  from django.contrib.auth.urls import urlpatterns
  from django.contrib.auth.views import password_reset, login
  from django.contrib.auth.decorators import login_required
  from django.contrib.messages.api import info
  from django.http import HttpResponse, HttpRequest
  from django.shortcuts import render_to_response
  from django.template import Template, RequestContext
  from django.views.decorators.cache import never_cache
  
  
  class CustomRequestAuthenticationForm(AuthenticationForm):
      def __init__(self, request, *args, **kwargs):
          assert isinstance(request, HttpRequest)
          super(CustomRequestAuthenticationForm, self).__init__(request, *args, **kwargs)
  
  
  @never_cache
  def remote_user_auth_view(request):
      "Dummy view for remote user tests"
      t = Template("Username is {{ user }}.")
      c = RequestContext(request, {})
      return HttpResponse(t.render(c))
  
  
  def auth_processor_no_attr_access(request):
      render_to_response('context_processors/auth_attrs_no_access.html',
          RequestContext(request, {}, processors=[context_processors.auth]))
      # *After* rendering, we check whether the session was accessed
      return render_to_response('context_processors/auth_attrs_test_access.html',
          {'session_accessed': request.session.accessed})
  
  
  def auth_processor_attr_access(request):
      render_to_response('context_processors/auth_attrs_access.html',
          RequestContext(request, {}, processors=[context_processors.auth]))
      return render_to_response('context_processors/auth_attrs_test_access.html',
          {'session_accessed': request.session.accessed})
  
  
  def auth_processor_user(request):
      return render_to_response('context_processors/auth_attrs_user.html',
          RequestContext(request, {}, processors=[context_processors.auth]))
  
  
  def auth_processor_perms(request):
      return render_to_response('context_processors/auth_attrs_perms.html',
          RequestContext(request, {}, processors=[context_processors.auth]))
  
  
  def auth_processor_perm_in_perms(request):
      return render_to_response('context_processors/auth_attrs_perm_in_perms.html',
          RequestContext(request, {}, processors=[context_processors.auth]))
  
  
  def auth_processor_messages(request):
      info(request, "Message 1")
      return render_to_response('context_processors/auth_attrs_messages.html',
           RequestContext(request, {}, processors=[context_processors.auth]))
  
  
  def userpage(request):
      pass
  
  
  def custom_request_auth_login(request):
      return login(request, authentication_form=CustomRequestAuthenticationForm)
  
  # special urls for auth test cases
  urlpatterns += [
      url(r'^logout/custom_query/$', 'django.contrib.auth.views.logout', dict(redirect_field_name='follow')),
      url(r'^logout/next_page/$', 'django.contrib.auth.views.logout', dict(next_page='/somewhere/')),
      url(r'^logout/next_page/named/$', 'django.contrib.auth.views.logout', dict(next_page='password_reset')),
      url(r'^remote_user/$', remote_user_auth_view),
      url(r'^password_reset_from_email/$', 'django.contrib.auth.views.password_reset', dict(from_email='staffmember@example.com')),
      url(r'^password_reset/custom_redirect/$', 'django.contrib.auth.views.password_reset', dict(post_reset_redirect='/custom/')),
      url(r'^password_reset/custom_redirect/named/$', 'django.contrib.auth.views.password_reset', dict(post_reset_redirect='password_reset')),
      url(r'^password_reset/html_email_template/$', 'django.contrib.auth.views.password_reset', dict(html_email_template_name='registration/html_password_reset_email.html')),
      url(r'^reset/custom/(?P<uidb64>[0-9A-Za-z_\-]+)/(?P<token>[0-9A-Za-z]{1,13}-[0-9A-Za-z]{1,20})/$',
          'django.contrib.auth.views.password_reset_confirm',
          dict(post_reset_redirect='/custom/')),
      url(r'^reset/custom/named/(?P<uidb64>[0-9A-Za-z_\-]+)/(?P<token>[0-9A-Za-z]{1,13}-[0-9A-Za-z]{1,20})/$',
          'django.contrib.auth.views.password_reset_confirm',
          dict(post_reset_redirect='password_reset')),
      url(r'^password_change/custom/$', 'django.contrib.auth.views.password_change', dict(post_change_redirect='/custom/')),
      url(r'^password_change/custom/named/$', 'django.contrib.auth.views.password_change', dict(post_change_redirect='password_reset')),
      url(r'^admin_password_reset/$', 'django.contrib.auth.views.password_reset', dict(is_admin_site=True)),
      url(r'^login_required/$', login_required(password_reset)),
      url(r'^login_required_login_url/$', login_required(password_reset, login_url='/somewhere/')),
  
      url(r'^auth_processor_no_attr_access/$', auth_processor_no_attr_access),
      url(r'^auth_processor_attr_access/$', auth_processor_attr_access),
      url(r'^auth_processor_user/$', auth_processor_user),
      url(r'^auth_processor_perms/$', auth_processor_perms),
      url(r'^auth_processor_perm_in_perms/$', auth_processor_perm_in_perms),
      url(r'^auth_processor_messages/$', auth_processor_messages),
      url(r'^custom_request_auth_login/$', custom_request_auth_login),
      url(r'^userpage/(.+)/$', userpage, name="userpage"),
  
      # This line is only required to render the password reset with is_admin=True
      url(r'^admin/', include(admin.site.urls)),
  ]
  