| # Copyright 2015 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 errno |
| import os.path |
| |
| def EnsureDirectoryExists(path, always_try_to_create=False): |
| """A wrapper for os.makedirs that does not error if the directory already |
| exists. A different process could be racing to create this directory.""" |
| |
| if not os.path.exists(path) or always_try_to_create: |
| try: |
| os.makedirs(path) |
| except OSError as e: |
| # There may have been a race to create this directory. |
| if e.errno != errno.EEXIST: |
| raise |
