From cbe1c60774d5d7e3fa67147899d9e7f867944e91 Mon Sep 17 00:00:00 2001
From: Klaus-Uwe Mitterer <git@klaus-uwe.me>
Date: Sun, 26 Feb 2017 20:29:50 +0100
Subject: [PATCH] Abort on empty text, replace recursion with while loop

---
 lyricsmanager.py | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/lyricsmanager.py b/lyricsmanager.py
index 3b0d464..01944a9 100755
--- a/lyricsmanager.py
+++ b/lyricsmanager.py
@@ -18,7 +18,10 @@ def queryLyrics(ref = 0):
   else:
    out = text
 
- if len(out) > 130:
+ if len(out) == 0:
+  print("No input. Aborting.")
+  return False
+ elif len(out) > 130:
   print("Text too long (%i characters)" % len(out))
   return queryLyrics(ref)
 
@@ -32,7 +35,9 @@ def queryLyrics(ref = 0):
   ans = input("Add follow-up lyrics? [Y/n] ")
 
  if ans.lower() != "n":
-  queryLyrics(row)
+  return True
+ return False
 
 if __name__ == "__main__":
- queryLyrics()
+ while queryLyrics():
+  continue