1 files changed, 26 insertions, 0 deletions
diff --git a/tools/checker/common/mixins.py b/tools/checker/common/mixins.py
new file mode 100644
index 0000000000..819de240a7
--- /dev/null
+++ b/tools/checker/common/mixins.py
@@ -0,0 +1,26 @@
+# Copyright (C) 2014 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+class EqualityMixin:
+  """ Object equality via equality of dictionaries. """
+
+  def __eq__(self, other):
+    return isinstance(other, self.__class__) \
+       and self.__dict__ == other.__dict__
+
+class PrintableMixin:
+  """ Prints object as name-dictionary pair. """
+
+  def __repr__(self):
+    return "<%s: %s>" % (type(self).__name__, str(self.__dict__))