nodejs: Add light python wrappers for running node and friends

third_party/node/node.py

Index: third_party/node/node.py
diff --git a/third_party/node/node.py b/third_party/node/node.py
new file mode 100755
index 0000000000000000000000000000000000000000..e2e9a3774ae08c7d47d30fff5d7a18a107b72449
--- /dev/null
+++ b/third_party/node/node.py
@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+# Copyright 2017 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+from os import path as os_path
+import platform
+
+
+def GetBinaryPath():
+  return os_path.join(os_path.dirname(__file__), *{
+    'Darwin': ('mac', 'node-darwin-x64', 'bin', 'node'),
+    'Linux': ('linux', 'node-linux-x64', 'bin', 'node'),
+    'Windows': ('win', 'node.exe'),
+  }[platform.system()])