# HG changeset patch
# User drewp@bigasterisk.com
# Date 2016-06-12 02:12:28
# Node ID a7de122a7b18c1cdd1cf3d220173f9bfc43bade3
# Parent  bd1d03349b9a8ebabfbb6afe047a015d107ce63d

clients were reading this file a LOT. Probably not a performance issue, but distracting in strace output
Ignore-this: 180916361bbcc3b0e3a4fe82bda0990a

diff --git a/light9/showconfig.py b/light9/showconfig.py
--- a/light9/showconfig.py
+++ b/light9/showconfig.py
@@ -28,9 +28,13 @@ def root():
             "LIGHT9_SHOW env variable has not been set to the show root")
     return r
 
+_showUri = None
 def showUri():
     """Return the show URI associated with $LIGHT9_SHOW."""
-    return URIRef(file(path.join(root(), 'URI')).read().strip())
+    global _showUri
+    if _showUri is None:
+        _showUri = URIRef(file(path.join(root(), 'URI')).read().strip())
+    return _showUri
 
 def songOnDisk(song):
     """given a song URI, where's the on-disk file that mpd would read?"""