free.py 文件源码

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),
        '',
        '',
        ''))