Actually use kivy's cache when loading resources

diff --git a/erdslangetjie/data.py b/erdslangetjie/data.py
index ad42ff3f58e8b25920583922c3a3431427cd5c3c..2ee869120d5880f9c5bbf1c7bbf3b9d5435cc1c6 100644 (file)
--- a/erdslangetjie/data.py
+++ b/erdslangetjie/data.py
@@ -11,11 +11,13 @@ pyglet.resource search path.
 import os
 from kivy.core.image import ImageLoader
 from kivy.core.audio import SoundLoader
+from kivy.cache import Cache
 
 data_py = os.path.abspath(os.path.dirname(__file__))
 data_dir = os.path.normpath(os.path.join(data_py, '..', 'data'))
-loader = ImageLoader()
+imageloader = ImageLoader()
 soundloader = SoundLoader()
+Cache.register('bane', limit=200)
 
 
 def filepath(filename):
@@ -33,11 +35,21 @@ def load(filename, mode='rb'):
     return open(filepath(filename), mode)
 
 
+def _cache_load(filename, loader):
+    '''Load an object either from disk or from the cache.
+
+       We rely on kivy's caching infrastructure'''
+    path = filepath(filename)
+    obj = Cache.get('bane', path)
+    if obj is None:
+        obj = loader.load(path)
+        Cache.append('bane', path, obj)
+    return obj
+
+
 def load_image(filename):
-    '''Load an image into a kivy texture. We rely on kivy's caching
-       infrastructure'''
-    return loader.load(filepath(filename))
+    return _cache_load(filename, imageloader)
 
 
 def load_sound(filename):
-    return soundloader.load(filepath(filename))
+    return _cache_load(filename, soundloader)