add hdparm

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 97 insertions, 0 deletions

diff --git a/src/plugins/hdparm.py b/src/plugins/hdparm.py
new file mode 100644
index 0000000..bbbec18
--- /dev/null
+++ b/src/plugins/hdparm.py
@@ -0,0 +1,97 @@
+# -*- python -*-
+'''
+xpybar – xmobar replacement written in python
+Copyright © 2014  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'))
+