| # Copyright 2016 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 contextlib |
| import os |
| import sys |
| |
| DIR_SOURCE_ROOT = os.environ.get( |
| 'CHECKOUT_SOURCE_ROOT', |
| os.path.abspath(os.path.join(os.path.dirname(__file__), |
| os.pardir, os.pardir, os.pardir, os.pardir))) |
| |
| BUILD_COMMON_PATH = os.path.join( |
| DIR_SOURCE_ROOT, 'build', 'util', 'lib', 'common') |
| |
| # third-party libraries |
| ANDROID_PLATFORM_DEVELOPMENT_SCRIPTS_PATH = os.path.join( |
| DIR_SOURCE_ROOT, 'third_party', 'android_platform', 'development', |
| 'scripts') |
| DEVIL_PATH = os.path.join( |
| DIR_SOURCE_ROOT, 'third_party', 'catapult', 'devil') |
| PYMOCK_PATH = os.path.join( |
| DIR_SOURCE_ROOT, 'third_party', 'pymock') |
| |
| @contextlib.contextmanager |
| def SysPath(path, position=None): |
| if position is None: |
| sys.path.append(path) |
| else: |
| sys.path.insert(position, path) |
| try: |
| yield |
| finally: |
| if sys.path[-1] == path: |
| sys.path.pop() |
| else: |
| sys.path.remove(path) |
