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#!/usr/bin/env python3
# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""A clone of 'free' cmdline utility.
$ python3 scripts/free.py
total used free shared buffers cache
Mem: 10125520 8625996 1499524 0 349500 3307836
Swap: 0 0 0
"""
import psutil
def main():
virt = psutil.virtual_memory()
swap = psutil.swap_memory()
templ = "{:<7} {:>10} {:>10} {:>10} {:>10} {:>10} {:>10}"
print(
templ.format("", "total", "used", "free", "shared", "buffers", "cache")
)
sect = templ.format(
'Mem:',
int(virt.total / 1024),
int(virt.used / 1024),
int(virt.free / 1024),
int(getattr(virt, 'shared', 0) / 1024),
int(getattr(virt, 'buffers', 0) / 1024),
int(getattr(virt, 'cached', 0) / 1024),
)
print(sect)
sect = templ.format(
'Swap:',
int(swap.total / 1024),
int(swap.used / 1024),
int(swap.free / 1024),
'',
'',
'',
)
print(sect)
if __name__ == '__main__':
main()
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