From e334396d56c67f9381cdb527c66cda2c516d0a2a Mon Sep 17 00:00:00 2001
From: Ethan Dalool <ethan@voussoir.net>
Date: Wed, 19 Feb 2020 13:11:26 -0800
Subject: [PATCH] Add dotdict.py.

---
 voussoirkit/dotdict.py | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 voussoirkit/dotdict.py

diff --git a/voussoirkit/dotdict.py b/voussoirkit/dotdict.py
new file mode 100644
index 0000000..4b3a871
--- /dev/null
+++ b/voussoirkit/dotdict.py
@@ -0,0 +1,22 @@
+from voussoirkit import sentinel
+
+NO_DEFAULT = sentinel.Sentinel('NO_DEFAULT')
+
+class DotDict:
+    def __init__(self, default=NO_DEFAULT, **kwargs):
+        self.__default = default
+        self.__dict__.update(**kwargs)
+
+    def __getattr__(self, key):
+        try:
+            return self.__dict__[key]
+        except KeyError:
+            if self.__default is not NO_DEFAULT:
+                return self.__default
+            raise
+
+    def __setattr__(self, key, value):
+        self.__dict__[key] = value
+
+    def __repr__(self):
+        return f'DotDict {self.__dict__}'