# HG changeset patch
# User Jeremy Thurgood <firxen@gmail.com>
# Date 1302347288 -7200
# Node ID 2258c2a6dbaebf9ed0564c1b4ee40c27e6562154
# Parent  8f578fe33fe7a8c81fb4aebc61bc58955c7ae12e
Cache get_files() stuff to avoid unnecessary filesystem operations.

diff -r 8f578fe33fe7 -r 2258c2a6dbae skaapsteker/data.py
--- a/skaapsteker/data.py	Sat Apr 09 13:04:25 2011 +0200
+++ b/skaapsteker/data.py	Sat Apr 09 13:08:08 2011 +0200
@@ -33,9 +33,13 @@
     return open(filepath(filename), mode)
 
 
+DIR_LISTS = {}
+
 def get_files(folder):
     """Return a sorted list of files in the given directory, with the directory stripped"""
-    return sorted(os.listdir(filepath(folder)))
+    if folder not in DIR_LISTS:
+        DIR_LISTS[folder] = sorted(os.listdir(filepath(folder)))
+    return DIR_LISTS[folder]
 
 
 IMAGES = {}