From 968fdadf2badbd628b416f65b03906d3a1550acb Mon Sep 17 00:00:00 2001
From: Elliot Nunn <elliotnunn@me.com>
Date: Sun, 14 Oct 2018 09:01:40 +0800
Subject: [PATCH] Better error message for long filenames

---
 machfs/directory.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/machfs/directory.py b/machfs/directory.py
index b070f90..85e7391 100644
--- a/machfs/directory.py
+++ b/machfs/directory.py
@@ -16,7 +16,7 @@ class AbstractFolder(collections.MutableMapping):
         key.encode('mac_roman')
 
         if not (1 <= len(key) <= 31):
-            raise ValueError('Filename range 1-31 chars')
+            raise ValueError('%r: Filename range 1-31 chars' % key)
 
         lower = key.lower()
         self._prefdict[lower] = key