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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/>.
'''
class Swaps:
'''
Swap statistics
@variable headers:list<str> The titles of the fields
@variable header_map:dict<str, int> Map from field title to field index (the reverse of `headers`)
@variable swaps:list<list<str>> List of swaps spaces, each element in this list is a list of
fields identified by `headers`
'''
def __init__(self):
'''
Constructor
'''
with open('/proc/swaps', 'rb') as file:
data = file.read()
data = data.decode('utf-8', 'replace').rstrip('\n').replace('\t', ' ')
data = data.split('\n')
self.headers, self.swaps = Swaps.__split(data[0]), [Swaps.__split(line) for line in data[1:]]
self.header_map = dict((t, i) for i, t in enumerate(self.headers))
def refresh(self):
'''
Update the variable `swaps`
'''
with open('/proc/swaps', 'rb') as file:
data = file.read()
data = data.decode('utf-8', 'replace').rstrip('\n').replace('\t', ' ').split('\n')[1:]
self.swaps = [Swaps.__split(line) for line in data]
@staticmethod
def __split(line):
return [field for field in line.split(' ') if not field == '']
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