From 30241545d256eaba2eaa5195d706061b68aa93c0 Mon Sep 17 00:00:00 2001
From: Arctic Ice Studio <development@arcticicestudio.com>
Date: Sat, 7 Jan 2017 13:52:55 +0100
Subject: [PATCH] =?UTF-8?q?GHI-#4=C2=B7Implement=C2=B7the=20"Singleton(typ?=
 =?UTF-8?q?e)"=C2=B7class?=
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---
 snowsaw/util/singleton.py | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 snowsaw/util/singleton.py

diff --git a/snowsaw/util/singleton.py b/snowsaw/util/singleton.py
new file mode 100644
index 0000000..3776cb9
--- /dev/null
+++ b/snowsaw/util/singleton.py
@@ -0,0 +1,7 @@
+class Singleton(type):
+    _instances = {}
+
+    def __call__(cls, *args, **kwargs):
+        if cls not in cls._instances:
+            cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
+        return cls._instances[cls]