Protect roulette against empty FAQ.

diff --git a/Tools/faqwiz/faqwiz.py b/Tools/faqwiz/faqwiz.py
index 7fe011817725e4e23f8f06894f584e9fccffd4c7..e721425190772e08754b76284eeaa6986710fdad 100644 (file)
--- 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):