From 2e18199eb2cad168f07caefd68f4cdd5f3078135 Mon Sep 17 00:00:00 2001
From: hellysmile <hellysmile@gmail.com>
Date: Fri, 1 Feb 2013 04:17:16 +0200
Subject: [PATCH 1/2] Django sessions TTL support

---
 docs/django.rst                |  3 +++
 mongoengine/django/sessions.py | 14 +++++++++++---
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/docs/django.rst b/docs/django.rst
index 144baab5..58eadc60 100644
--- a/docs/django.rst
+++ b/docs/django.rst
@@ -45,6 +45,9 @@ into you settings module::
 
     SESSION_ENGINE = 'mongoengine.django.sessions'
 
+Django provides session cookie, which expires after ```SESSION_COOKIE_AGE``` seconds, but doesnt delete cookie at sessions backend, so ```'mongoengine.django.sessions'``` supports  `mongodb TTL
+<http://docs.mongodb.org/manual/tutorial/expire-data/>`_.
+
 .. versionadded:: 0.2.1
 
 Storage
diff --git a/mongoengine/django/sessions.py b/mongoengine/django/sessions.py
index 810b6265..20e6b62e 100644
--- a/mongoengine/django/sessions.py
+++ b/mongoengine/django/sessions.py
@@ -31,9 +31,17 @@ class MongoSession(Document):
                                         else fields.DictField()
     expire_date = fields.DateTimeField()
 
-    meta = {'collection': MONGOENGINE_SESSION_COLLECTION,
-            'db_alias': MONGOENGINE_SESSION_DB_ALIAS,
-            'allow_inheritance': False}
+    meta = {
+        'collection': MONGOENGINE_SESSION_COLLECTION,
+        'db_alias': MONGOENGINE_SESSION_DB_ALIAS,
+        'allow_inheritance': False,
+        'indexes': [
+            {
+                'fields': ['expire_date'],
+                'expireAfterSeconds': settings.SESSION_COOKIE_AGE
+            }
+        ]
+    }
 
 
 class SessionStore(SessionBase):

From d6b4ca7a985c1ba4c25692d9731b8b6cd12e7fb0 Mon Sep 17 00:00:00 2001
From: hellysmile <hellysmile@gmail.com>
Date: Fri, 1 Feb 2013 04:19:55 +0200
Subject: [PATCH 2/2] Fix docs quotes

---
 docs/django.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/django.rst b/docs/django.rst
index 58eadc60..b2acee72 100644
--- a/docs/django.rst
+++ b/docs/django.rst
@@ -45,7 +45,7 @@ into you settings module::
 
     SESSION_ENGINE = 'mongoengine.django.sessions'
 
-Django provides session cookie, which expires after ```SESSION_COOKIE_AGE``` seconds, but doesnt delete cookie at sessions backend, so ```'mongoengine.django.sessions'``` supports  `mongodb TTL
+Django provides session cookie, which expires after ```SESSION_COOKIE_AGE``` seconds, but doesnt delete cookie at sessions backend, so ``'mongoengine.django.sessions'`` supports  `mongodb TTL
 <http://docs.mongodb.org/manual/tutorial/expire-data/>`_.
 
 .. versionadded:: 0.2.1