From: Guido van Rossum <guido@python.org>
Date: Fri, 30 May 1997 11:58:21 +0000 (+0000)
Subject: Protect roulette against empty FAQ.
X-Git-Tag: v1.5a3~411
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=72a342fd4f62238f5ff76201e6d34cd39b99de87;p=python

Protect roulette against empty FAQ.
---

diff --git a/Tools/faqwiz/faqwiz.py b/Tools/faqwiz/faqwiz.py
index 7fe0118177..e721425190 100644
--- a/Tools/faqwiz/faqwiz.py
+++ b/Tools/faqwiz/faqwiz.py
@@ -328,6 +328,7 @@ class FaqDir:
     def roulette(self):
 	self.__fill()
 	import whrandom
+	if not self.__files: return None
 	return whrandom.choice(self.__files)
 
     def list(self):
@@ -576,8 +577,11 @@ class FaqWizard:
 	emit(TAIL_RECENT)
 
     def do_roulette(self):
-	self.prologue(T_ROULETTE)
 	file = self.dir.roulette()
+	if not file:
+	    self.error("No entries.")
+	    return
+	self.prologue(T_ROULETTE)
 	self.dir.show(file)
 
     def do_help(self):