From f7f812cd7087625266f69596fb914a919bc798ae Mon Sep 17 00:00:00 2001
From: Adrian Holovaty <adrian@holovaty.com>
Date: Thu, 29 Dec 2005 19:17:32 +0000
Subject: [PATCH] Fixed #1137 -- Added a _contains_() method to SessionWrapper.
 Thanks, Brant

git-svn-id: http://code.djangoproject.com/svn/django/trunk@1793 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
 django/middleware/sessions.py | 3 +++
 docs/sessions.txt             | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/django/middleware/sessions.py b/django/middleware/sessions.py
index df7473e904..545ee38fa8 100644
--- a/django/middleware/sessions.py
+++ b/django/middleware/sessions.py
@@ -11,6 +11,9 @@ class SessionWrapper(object):
         self.session_key = session_key
         self.modified = False
 
+    def __contains__(self, key):
+        return key in self._session
+
     def __getitem__(self, key):
         return self._session[key]
 
diff --git a/docs/sessions.txt b/docs/sessions.txt
index bea246e17d..fbb11e4198 100644
--- a/docs/sessions.txt
+++ b/docs/sessions.txt
@@ -34,6 +34,9 @@ it and write to it.
 
 It implements the following standard dictionary methods:
 
+    * ``__contains__(key)``
+      **New in Django development version.** Example: ``'fav_color' in request.session``
+
     * ``__getitem__(key)``
       Example: ``fav_color = request.session['fav_color']``