From c1e90aa7b8244921c892ee5ccb2ee162ed2bc5fd Mon Sep 17 00:00:00 2001
From: Wieland Hoffmann <themineo@gmail.com>
Date: Tue, 16 Aug 2011 14:30:25 +0200
Subject: [PATCH] Try to detect duplicate ISRCs

---
 isrcsubmit-cdrdao.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/isrcsubmit-cdrdao.py b/isrcsubmit-cdrdao.py
index 6b771af..b75e770 100755
--- a/isrcsubmit-cdrdao.py
+++ b/isrcsubmit-cdrdao.py
@@ -144,8 +144,12 @@ def main():
     if len(tracks2isrcs) == 0:
         print "No new ISRCs could be found."
     else:
-
+        vals = tracks2isrcs.values()
         for key, val in tracks2isrcs.items():
+            if vals().count(val) > 1:
+                "The ISRC %s appears multiple times, I'm not going to submit it"\
+                % val
+                tracks2isrcs.pop(key)
             print "The ISRC %s will be attached to %s" % (val, key)
             if raw_input("Is this correct? [y/N]").lower() != "y":
                 tracks2isrcs.pop(key)