Add script to run a test in a separate read-only directory.

isolate/find_depot_tools.py

Index: isolate/find_depot_tools.py
===================================================================
--- isolate/find_depot_tools.py	(revision 0)
+++ isolate/find_depot_tools.py	(revision 0)
@@ -0,0 +1,36 @@
+# Copyright (c) 2012 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.
+"""Small utility function to find depot_tools and add it to the python path.
+
+Will throw an ImportError exception if depot_tools can't be found since it
+imports breakpad.
+"""
+
+import os
+import sys
+
+def add_depot_tools_to_path():
+  """Search for depot_tools and add it to sys.path."""
+  # First look if depot_tools is already in PYTHONPATH.
+  for i in sys.path:
+    if i.endswith('depot_tools'):
+      return
+  # Then look if depot_tools is in PATH, common case.
+  for i in os.environ['PATH'].split(os.pathsep):
+    if i.rstrip(os.sep).endswith('depot_tools'):
+      sys.path.append(i.rstrip(os.sep))
+      return
+  # Rare case, it's not even in PATH, look upward up to root.
+  root_dir = os.path.dirname(os.path.abspath(__file__))
+  while root_dir:
+    if os.path.isfile(os.path.join(root_dir, 'depot_tools', 'breakpad.py')):
+      sys.path.append(os.path.join(root_dir, 'depot_tools'))
+      return
+    root_dir = os.path.dirname(root_dir)
+  print >> sys.stderr, 'Failed to find depot_tools'
+
+add_depot_tools_to_path()
+
+# pylint: disable=W0611
+import breakpad
Property changes on: isolate/find_depot_tools.py
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Added: svn:eol-style
   + LF