From: W. Trevor King <wking@tremily.us>
Date: Wed, 6 Feb 2013 21:55:15 +0000 (-0500)
Subject: ui.cli: Don't start the QuestionCommandLine with an empty stack
X-Git-Tag: v0.1~11
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=219d90a5745d7d62b3fd1be0887be6f6202447f4;p=quizzer.git

ui.cli: Don't start the QuestionCommandLine with an empty stack

There's not much point in a question-answering shell if there are no
questions to be answered.
---

diff --git a/quizzer/ui/cli.py b/quizzer/ui/cli.py
index d2859cf..b799e1e 100644
--- a/quizzer/ui/cli.py
+++ b/quizzer/ui/cli.py
@@ -112,6 +112,8 @@ class QuestionCommandLine (_cmd.Cmd):
 
 class CommandLineInterface (UserInterface):
     def run(self):
+        if not self.stack:
+            return
         cmd = QuestionCommandLine(ui=self)
         cmd.cmdloop()
         print()