Initial commit

2 files changed, 6 insertions, 0 deletions

diff --git a/dotbot/util/__init__.py b/dotbot/util/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/dotbot/util/__init__.py
diff --git a/dotbot/util/singleton.py b/dotbot/util/singleton.py
new file mode 100644
index 0000000..d6cc857
--- /dev/null
+++ b/dotbot/util/singleton.py
@@ -0,0 +1,6 @@
+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]