Fix for bug #851254.

ChangeLog

@@ -1,3 +1,5 @@
+	* Fixed bug #851254, Factoids.whatis didn't work on numeric keys.
+
 	* Added the ability to turn on/off the showing of ids in FunDB
 	excuse/insult/praise/lart.
 	

plugins/Factoids.py

@@ -131,7 +131,7 @@ class Factoids(plugins.ChannelDBHandler, callbacks.Privmsg):
         necessary if the message isn't sent in the channel itself.
         """
         channel = privmsgs.getChannel(msg, args)
-        if args[-1].isdigit():
+        if len(args) > 1 and args[-1].isdigit():
             number = args.pop()
         else:
             number = ''

test/test_Factoids.py

@@ -105,6 +105,9 @@ if sqlite is not None:
             self.assertRegexp('search jemfinch',
                               'my primary author')
 
+        def testWhatisOnNumbers(self):
+            self.assertNotError('learn 911 as emergency number')
+            self.assertRegexp('whatis 911', 'emergency number')
 
         def testNotZeroIndexed(self):
             self.assertNotError('learn foo as bar')