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# -*- 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/>.
'''
class InodeState:
'''
Data from /proc/sys/fs/inode-state
@variable nr_inodes:int The number of inodes the system has allocated.
This can be slightly more than inode-max because
Linux allocates them one page full at a time.
@variable nr_free_inodes:int The number of free inodes
@variable preshrink:int Nonzero when the `nr_inodes` is more than inode-max
and the system needs to prune the inode list instead
of allocating more
'''
def __init__(self):
'''
Constructor
'''
state = None
with open('/proc/sys/fs/inode-state', 'rb') as file:
state = file.read()
state = state.decode('utf-8', 'replace').replace('\t', ' ')
state = [int(field) for field in state.split(' ') if not field == '']
(self.nr_inodes, self.nr_free_inodes, self.preshrink, _dummy1, _dummy2, _dummy_3, _dummy_4) = state
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