X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/194615a88fac0c4259b3c2217c8e13372b7c3b86..cd3cd96e2ff4c6e6a9a38393e4d93167d30f74ea:/lib/python/Components/Element.py

diff --git a/lib/python/Components/Element.py b/lib/python/Components/Element.py
index 437d934b..f4a8f127 100644
--- a/lib/python/Components/Element.py
+++ b/lib/python/Components/Element.py
@@ -8,13 +8,21 @@ from Tools.CList import CList
 def cached(f):
 	name = f.__name__
 	def wrapper(self):
-		if self.cache is None:
+		cache = self.cache
+		if cache is None:
 			return f(self)
-		if name not in self.cache:
-			self.cache[name] = (True, f(self))
-		return self.cache[name][1]
+		if name not in cache:
+			cache[name] = (True, f(self))
+		return cache[name][1]
 	return wrapper
 
+class ElementError(Exception):
+    def __init__(self, message):
+        self.message = message
+
+    def __str__(self):
+        return self.message
+
 class Element(object):
 	CHANGED_DEFAULT = 0   # initial "pull" state
 	CHANGED_ALL = 1       # really everything changed