| # Copyright 2017 The Chromium OS 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 cros.factory.probe.functions import sysfs |
| from cros.factory.probe.lib import cached_probe_function |
| |
| |
| class GenericBatteryFunction( |
| cached_probe_function.GlobPathCachedProbeFunction): |
| |
| GLOB_PATH = '/sys/class/power_supply/*' |
| ARGS = [] |
| |
| def GetCategoryFromArgs(self): |
| return None |
| |
| @classmethod |
| def ProbeDevice(cls, dir_path): |
| result = sysfs.ReadSysfs( |
| dir_path, ['manufacturer', 'model_name', 'technology', 'type'], |
| optional_keys=['charge_full_design', 'energy_full_design']) |
| if result is not None and result.pop('type') == 'Battery' and ( |
| 'charge_full_design' in result or 'energy_full_design' in result): |
| return result |
| return None |
