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 = map( 18 lambda build_type: os.path.join(out_dir, build_type, file_name), 19 ['Debug', 'Release']) 20 candidate_paths = filter(os.path.exists, candidate_paths) 21 candidate_paths = sorted(candidate_paths, key=os.path.getmtime, reverse=True) 22 candidate_paths.append('') 23 return candidate_paths[0] 24
