| # 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. |
| |
| from devil.android import device_blacklist |
| from devil.android import device_errors |
| from devil.android import device_utils |
| |
| |
| def GetDevices(requested_devices, blacklist_file): |
| if not isinstance(blacklist_file, device_blacklist.Blacklist): |
| blacklist = (device_blacklist.Blacklist(blacklist_file) |
| if blacklist_file |
| else None) |
| |
| devices = device_utils.DeviceUtils.HealthyDevices(blacklist) |
| if not devices: |
| raise device_errors.NoDevicesError() |
| elif requested_devices: |
| requested = set(requested_devices) |
| available = set(str(d) for d in devices) |
| missing = requested.difference(available) |
| if missing: |
| raise device_errors.DeviceUnreachableError(next(iter(missing))) |
| return sorted(device_utils.DeviceUtils(d) |
| for d in available.intersection(requested)) |
| else: |
| return devices |
| |
