Initial commit: vICN

Change-Id: I7ce66c4e84a6a1921c63442f858b49e083adc7a7
Signed-off-by: Jordan Augé <jordan.auge+fdio@cisco.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/netmodel/util/meta.py b/netmodel/util/meta.py
new file mode 100644
index 00000000..355beb7e
--- /dev/null
+++ b/netmodel/util/meta.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2017 Cisco and/or its affiliates.
+#
+# 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.
+#
+
+# http://stackoverflow.com/questions/5881873/python-find-all-classes-which-inherit-from-this-one
+
+def inheritors(klass):
+    subclasses = set()
+    work = [klass]
+    while work:
+        parent = work.pop()
+        for child in parent.__subclasses__():
+            if child not in subclasses:
+                subclasses.add(child)
+                work.append(child)
+    return subclasses