From e3c9464634dcb85eafdee3ebf154f55f3c4b302c Mon Sep 17 00:00:00 2001
From: Jeremy Fincher <jemfinch@users.sourceforge.net>
Date: Fri, 1 Oct 2004 21:25:26 +0000
Subject: [PATCH] Return None if there's nothing in the database.

---
 src/dbi.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/dbi.py b/src/dbi.py
index 6275feed3..5715b5b70 100644
--- a/src/dbi.py
+++ b/src/dbi.py
@@ -309,7 +309,10 @@ class DB(object):
 
     def random(self):
         # XXX This can be optimized not to deserialize each record.
-        return random.choice(self)
+        try:
+            return random.choice(self)
+        except IndexError:
+            return None
 
     def size(self):
         # XXX Likewise as above.