diff --git a/singleton.py b/singleton.py
new file mode 100644
index 000000000..5a2516672
--- /dev/null
+++ b/singleton.py
@@ -0,0 +1,12 @@
+class Singleton(object):
+    '''
+    Share single instance of this class, initially created one
+    '''
+    instance = None
+
+    def __new__(cls):
+        if Singleton.instance is not None:
+            return Singleton.instance
+  
+        Singleton.instance = object.__new__(cls)
+        return Singleton.instance