Add mojo/tools/mopy with paths and version utilities

mojo/tools/mopy/paths.py

Index: mojo/tools/mopy/paths.py
diff --git a/mojo/tools/mopy/paths.py b/mojo/tools/mopy/paths.py
new file mode 100644
index 0000000000000000000000000000000000000000..23da34737ccb64e13729e4605b04cc8a8d95df9c
--- /dev/null
+++ b/mojo/tools/mopy/paths.py
@@ -0,0 +1,17 @@
+# Copyright 2014 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.
+
+import os
+
+class Paths(object):
+  """Provides commonly used paths"""
+
+  def __init__(self, build_directory=None):
+    """Specify a build_directory to generate paths to binary artifacts"""
+    self.src_root = os.path.abspath(os.path.join(__file__,
+      os.pardir, os.pardir, os.pardir, os.pardir))
+    self.mojo_dir = os.path.join(self.src_root, "mojo")
+    if build_directory:
+      self.mojo_shell_path = os.path.join(self.src_root, build_directory,

[eseidel, 2014/11/07 19:03:49]

Do you want to set this to something in the case no build_dir was passed?  Maybe
None?

+          "mojo_shell")