| # Copyright 2014 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. |
| |
| """A module to keep track of devices across builds.""" |
| |
| import os |
| |
| LAST_DEVICES_FILENAME = '.last_devices' |
| LAST_MISSING_DEVICES_FILENAME = '.last_missing' |
| |
| |
| def GetPersistentDeviceList(file_name): |
| """Returns a list of devices. |
| |
| Args: |
| file_name: the file name containing a list of devices. |
| |
| Returns: List of device serial numbers that were on the bot. |
| """ |
| with open(file_name) as f: |
| return f.read().splitlines() |
| |
| |
| def WritePersistentDeviceList(file_name, device_list): |
| path = os.path.dirname(file_name) |
| if not os.path.exists(path): |
| os.makedirs(path) |
| with open(file_name, 'w') as f: |
| f.write('\n'.join(set(device_list))) |
