Include third-party django-confirmation library.

Taken from http://code.google.com/p/django-confirmation/.

Code is under the BSD 3-clause license.

(imported from commit cfb5a511097fe14fba7f1bcea62dfa25cfb58622)

confirmation/views.py

@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2008, Jarek Zgoda <jarek.zgoda@gmail.com>
+
+__revision__ = '$Id: views.py 21 2008-12-05 09:21:03Z jarek.zgoda $'
+
+
+from django.shortcuts import render_to_response
+from django.template import RequestContext
+from django.conf import settings
+
+from confirmation.models import Confirmation
+
+
+def confirm(request, confirmation_key):
+    confirmation_key = confirmation_key.lower()
+    obj = Confirmation.objects.confirm(confirmation_key)
+    confirmed = True
+    if not obj:
+        # confirmation failed
+        confirmed = False
+        try:
+            # try to get the object we was supposed to confirm
+            obj = Confirmation.objects.get(confirmation_key=confirmation_key)
+        except Confirmation.DoesNotExist:
+            pass
+    ctx = {
+        'object': obj,
+        'confirmed': confirmed,
+        'days': getattr(settings, 'EMAIL_CONFIRMATION_DAYS', 10),
+    }
+    templates = [
+        'confirmation/confirm.html',
+    ]
+    if obj:
+        # if we have an object, we can use specific template
+        templates.insert(0, 'confirmation/confirm_%s.html' % obj._meta.module_name)
+    return render_to_response(templates, ctx,
+        context_instance=RequestContext(request))