From 5c15a18110edca305aac96e0193a6374a5b67a8b Mon Sep 17 00:00:00 2001
From: Florian Streibelt <florian@freitagsrunde.org>
Date: Wed, 12 Oct 2011 02:46:36 +0200
Subject: [PATCH] do not create fifo if not there

---
 client-barcode/freitagskasse.py | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/client-barcode/freitagskasse.py b/client-barcode/freitagskasse.py
index 1e6fdff..dec31a4 100644
--- a/client-barcode/freitagskasse.py
+++ b/client-barcode/freitagskasse.py
@@ -35,16 +35,11 @@ display_fifo = None
 
 def print_display(s):
 	global display_fifo
-	""" 
-	Comment out this return for now if you dont 
-	want to use the display.
-
-	return
-
-	"""
 	if not display_fifo:
 		try:
-			display_fifo = open('/tmp/display', 'w')
+			#display_fifo = open('/tmp/display', 'w')
+			fd = os.open( "/tmp/display", os.O_WRONLY)
+			display_fifo = os.fdopen(fd,"w")
 		except IOError:
 			display_fifo = None
 			return