build/android/pylib/utils/host_path_finder.py

   1 # Copyright 2013 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 import os
   6
   7 from pylib import constants
   8
   9
  10 def GetMostRecentHostPath(file_name):
  11   """Returns the most recent existing full path for the given file name.
  12
  13   Returns: An empty string if no path could be found.
  14   """
  15   out_dir = os.path.join(
  16       constants.DIR_SOURCE_ROOT, os.environ.get('CHROMIUM_OUT_DIR', 'out'))
  17   candidate_paths = [os.path.join(out_dir, build_type, file_name)
  18                      for build_type in ['Debug', 'Release']]
  19   candidate_paths = filter(os.path.exists, candidate_paths)
  20   candidate_paths = sorted(candidate_paths, key=os.path.getmtime, reverse=True)
  21   candidate_paths.append('')
  22   return candidate_paths[0]