frozendict now as submodule in third_party

.gitmodules

@@ -16,3 +16,6 @@
 [submodule "third_party/bottle"]
 	path = third_party/bottle
 	url = https://github.com/defnull/bottle
+[submodule "third_party/frozendict"]
+	path = third_party/frozendict
+	url = https://github.com/slezica/python-frozendict

python/ycm/frozendict.py

@@ -1,54 +0,0 @@
-#!/usr/bin/env python
-#
-# Source: https://github.com/slezica/python-frozendict
-#
-# Copyright (c) 2012 Santiago Lezica
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
-
-import collections, operator
-
-class frozendict(collections.Mapping):
-
-    def __init__(self, *args, **kwargs):
-        self.__dict = dict(*args, **kwargs)
-        self.__hash = None
-
-    def __getitem__(self, key):
-        return self.__dict[key]
-
-    def copy(self, **add_or_replace):
-        new = frozendict(self)
-        new.__dict.update(add_or_replace) # Feels like cheating
-        return new
-
-    def __iter__(self):
-        return iter(self.__dict)
-
-    def __len__(self):
-        return len(self.__dict)
-
-    def __repr__(self):
-        return '<frozendict %s>' % repr(self.__dict)
-
-    def __hash__(self):
-        if self.__hash is None:
-            self.__hash = reduce(operator.xor, map(hash, self.iteritems()), 0)
-
-        return self.__hash

python/ycm/user_options_store.py

@@ -19,7 +19,7 @@
 
 import json
 import os
-from ycm.frozendict import frozendict
+from frozendict import frozendict
 
 _USER_OPTIONS = {}
 

third_party/frozendict

@@ -0,0 +1 @@
+Subproject commit 2ea45f3f429c5283f9f24738812f0ee152a8f4c1