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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 DentryState:
'''
Data from /proc/sys/fs/dentry-state
Information about the status of the directory cache (dcache)
@variable nr_dentry:int Number of allocated directory entries
@variable nr_unused:int Number of unused directory entries
@variable age_limit:int Age limit in seconds
@variable want_pages:int Pages requested by the system
'''
def __init__(self):
'''
Constructor
'''
state = None
with open('/proc/sys/fs/dentry-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_dentry, self.nr_unused, self.age_limit, self.want_pages, _dummy1, _dummy_2) = state
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