Add rumps 0.3.0

lib/rumps/utils.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# rumps: Ridiculously Uncomplicated macOS Python Statusbar apps.
+# Copyright: (c) 2017, Jared Suttles. All rights reserved.
+# License: BSD, see LICENSE for details.
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+from .packages.ordereddict import OrderedDict as _OrderedDict
+
+
+# ListDict: OrderedDict subclass with insertion methods for modifying the order of the linked list in O(1) time
+# https://gist.github.com/jaredks/6276032
+class ListDict(_OrderedDict):
+    def __insertion(self, link_prev, key_value):
+        key, value = key_value
+        if link_prev[2] != key:
+            if key in self:
+                del self[key]
+            link_next = link_prev[1]
+            self._OrderedDict__map[key] = link_prev[1] = link_next[0] = [link_prev, link_next, key]
+        dict.__setitem__(self, key, value)
+
+    def insert_after(self, existing_key, key_value):
+        self.__insertion(self._OrderedDict__map[existing_key], key_value)
+
+    def insert_before(self, existing_key, key_value):
+        self.__insertion(self._OrderedDict__map[existing_key][0], key_value)