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# -*- python -*-
'''
xpybar – xmobar replacement written in python
Copyright © 2014, 2015, 2016 Mattias Andrée (maandree@member.fsf.org)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
import os
from util import *
class HDParm: # TODO add output parsers
'''
Set/get SATA/IDE device parameters
'''
READAHEAD_SECTOR_COUNT = 'a'
HAVE_READAHEAD = 'A'
ADVANCED_POWER_MANAGEMENT = 'B'
IDE_32BIT_IO_SUPPORT = 'c'
POWER_MODE_STATUS = 'C'
GEOMETRY = 'g'
HITACHI_TEMPERATURE = 'H'
KERNEL_INFORMATION = 'i'
DIRECT_INFORMATION = 'I'
WESTERN_DIGITAL_IDLE3_TIMEOUT = 'J'
MULTIPLE_SECTOR_IO_SECTOR_COUNT = 'm'
AUTOMATIC_ACOUSTIC_MANAGEMENT = 'M'
MAX_VISIBLE_SECTOR_COUNT = 'N'
COMMAND_QUEUE_DEPTH = 'Q'
IS_READONLY = 'r'
HAVE_WRITE_READ_VERIFY = 'R'
IDLE_MODE = 'S'
HAVE_WRITE_CACHING = 'W'
STANDBY_MODE = 'y'
SLEEP_MODE = 'Y'
DISABLE_SEAGATE_AUTOMATIC_POWER_SAVING = 'Z'
def __init__(self, devices = None):
'''
Constructor
@param devices:list<str>? The devices to use, `None` for all
'''
self.devices = HDParm.get_devices() if devices is None else self.devices
spawn_read()
def get(self, action):
'''
Read information about selected devices
@param action:str The information to read
@return :str The read information
'''
return spawn_read('restricted-hdparm', '-%s' % action)
def set(self, action, value = None):
'''
Configure selected devices
@param action:str The settings to reconfigure
@param value:int? The value to apply, `None` if there is no value to apply
@return :str The read information
'''
if value is None:
spawn('restricted-hdparm', action)
else:
spawn('restricted-hdparm', '-%s%s' % (action, str(value)))
@staticmethod
def get_devices(self):
'''
List available devices
@param :list<str> Available devices
'''
test = lambda dev : (len(dev) == 3) and (dev[:2] in ('sd', 'hd'))
return filter(test, os.listdir('/dev'))
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