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#!/usr/bin/env python
# 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.
$ python examples/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 = "%-7s %10s %10s %10s %10s %10s %10s"
print(templ % ('', 'total', 'used', 'free', 'shared', 'buffers', 'cache'))
print(templ % (
'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(templ % (
'Swap:', int(swap.total / 1024),
int(swap.used / 1024),
int(swap.free / 1024),
'',
'',
''))
if __name__ == '__main__':
main()
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