1 # Copyright 2015 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 errno 6 import os.path 7 8 def EnsureDirectoryExists(path, always_try_to_create=False): 9 """A wrapper for os.makedirs that does not error if the directory already 10 exists. A different process could be racing to create this directory.""" 11 12 if not os.path.exists(path) or always_try_to_create: 13 try: 14 os.makedirs(path) 15 except OSError as e: 16 # There may have been a race to create this directory. 17 if e.errno != errno.EEXIST: 18 raise 19
