From e0a9a2fddecc93d5bcc346defbec990806722e71 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 19 Jun 2012 15:44:47 +0530
Subject: [PATCH] Allow namespaced settings in the per library preference store

---
 src/calibre/library/prefs.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/calibre/library/prefs.py b/src/calibre/library/prefs.py
index 4ef1dcb35a..7fccebbcfe 100644
--- a/src/calibre/library/prefs.py
+++ b/src/calibre/library/prefs.py
@@ -57,4 +57,14 @@ class DBPrefs(dict):
     def set(self, key, val):
         self.__setitem__(key, val)
 
+    def get_namespaced(self, namespace, key, default=None):
+        key = '%s:%s'%(namespace, key)
+        try:
+            return dict.__getitem__(self, key)
+        except KeyError:
+            return default
+
+    def set_namespaced(self, namespace, key, val):
+        key = '%s:%s'%(namespace, key)
+        self[key] = val