python检测服务器硬盘使用情况的代码

#!/bin/env python
# -*- coding: utf-8 -*-
##----------------------------------------------------------
# @This script is used to check disk free space for zabbix
# @Name:         disk.py
# @Function:     check disk free space for zabbix
# @site:       www.jb200.com
##----------------------------------------------------------
import platform
import commands
 
def w_disk():
    import wmi
    c = wmi.WMI ()
    i = 0
    for disk in c.Win32_LogicalDisk (DriveType=3):
        a = int(disk.FreeSpace) / (1024*1024*1024)
        b = int(100.0 * long (disk.FreeSpace) / long (disk.Size))
        if disk.Caption == "C:":
            if (a < 2) or (b < 10):
                i += 1
            else:
                i += 0
        else:
            if (a < 10) or (b < 10):
                i += 1
            else:
                i += 0
    print i
 
def L_disk():
    free = commands.getstatusoutput('df -h|grep dev|egrep -v "tmp|var|shm"')
    list = free[1].split('n')
    i = 0
    for disk in range(len(list)):
        vd = list[disk][6:8]
        a = list[disk].split()[3]
        if a[-1] == 'T':
            a = int(float(a[:-1]))*1024
        else:
            a = int(float(a[:-1]))
        b = 100 - int(list[disk].split()[4][:-1])
        if vd == "da":
            if (a < 2) or (b < 10):
                i += 1
            else:
                i += 0
        else:
            if (a < 10) or (b < 10):
                i += 1
            else:
                i += 0
    print i
 
if __name__ == "__main__":
    os = platform.system()
    if os == "Windows":
        w_disk()
    elif os == "linux":
        L_disk()