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# -*- python -*-
'''
xpybar – xmobar replacement written in python
Copyright © 2014, 2015 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/>.
'''
from util import *
class Discs:
'''
Retrieve information about mounted discs
@variable filesystems:dict<str, Disc> Map from filesystem to disc
@variable mountpoints:dict<str, Disc> Map from mountpoint to disc
'''
def __init__(self):
'''
Constructor
'''
self.filesystems = {}
self.mountpoints = {}
listed = {}
df = spawn_read('df', '-B1', '-T').split('\n')[1:]
dfi = spawn_read('df', '-i').split('\n')[1:]
# Disc usage information
for line in df:
line = line
buf = ''
cells = []
for c in line:
if (c == ' ') and (len(cells) < 6):
if not buf == '':
cells.append(buf)
buf = ''
else:
buf += c
cells.append(buf)
(fs, fstype, blocks, used, avail, _use, mount) = cells
listed[fs] = mount
disc = Disc()
self.filesystems[fs] = disc
self.mountpoints[mount] = disc
disc.filesystem = fs
disc.mountpoint = mount
disc.fstype = fstype
disc.blocks = int(blocks)
disc.used = int(used)
disc.available = int(avail)
# Inode usage information
for line in dfi:
line = line
buf = ''
cells = []
for c in line:
if (c == ' ') and (len(cells) < 5):
if not buf == '':
cells.append(buf)
buf = ''
else:
buf += c
cells.append(buf)
(fs, inodes, iused, ifree, _use, _mount) = cells
if fs in self.filesystems:
del listed[fs]
disc = self.filesystems[fs]
disc.inodes = int(inodes)
disc.iused = int(iused)
disc.ifree = int(ifree)
# Perhaps an umount appeared between `df -B1 -T` and `df -i`
for fs in listed.keys():
del self.filesystems[fs]
del self.mountpoints[listed[fs]]
class Disc:
'''
Information about a single disc
@variable filesystem:str The filesystem, a device or API filesystem name
@variable mountpoint:str The filesystem mountpoint, the one with shortest name if there are multiple
@variable fstype:str The filesystem type
@variable blocks:int The total number of 1 byte blocks, the value is close or equal to `used + available`
@variable used:int The number of used bytes
@variable available:int The number of unused bytes
@variable inodes:int The total number of index nodes
@variable iused:int The number of used index nodes
@variable ifree:int The number of available index nodes
'''
def __init__(self):
'''
Constructor
'''
pass
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