pass arguments for singleton creation.

blogtopoid/decorators.py

@@ -9,10 +9,10 @@ def singleton(cls):
     """
     instances = {}
 
-    def getinstance():
+    def getinstance(*args, **kwargs):
         """ return existing instance of new
         """
         if cls not in instances:
-            instances[cls] = cls()
+            instances[cls] = cls(*args, **kwargs)
         return instances[cls]
     return getinstance