python使用wmi模块获取windows下硬盘信息

# -*- coding: utf-8 -*- 
#import 
######################################################################## 
import os, sys 
import time 
import wmi 
######################################################################## 
#function 
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def get_disk_info(): 
     """ 
     获取物理磁盘信息。 
     """ 
     tmplist = [] 
     c = wmi.WMI () 
     for physical_disk in c.Win32_DiskDrive (): 
         tmpdict = {} 
         tmpdict["Caption"] = physical_disk.Caption 
         tmpdict["Size"] = long(physical_disk.Size)/1024/1024/1024 
         tmplist.append(tmpdict) 
     return tmplist 
def get_fs_info() : 
     """ 
     获取文件系统信息。 
     包含分区的大小、已用量、可用量、使用率、挂载点信息。 
     """ 
     tmplist = [] 
     c = wmi.WMI () 
     for physical_disk in c.Win32_DiskDrive (): 
         for partition in physical_disk.associators ("Win32_DiskDriveToDiskPartition"): 
             for logical_disk in partition.associators ("Win32_LogicalDiskToPartition"): 
                 tmpdict = {} 
                 tmpdict["Caption"] = logical_disk.Caption 
                 tmpdict["DiskTotal"] = long(logical_disk.Size)/1024/1024/1024 
                 tmpdict["UseSpace"] = (long(logical_disk.Size)-long(logical_disk.FreeSpace))/1024/1024/1024 
                 tmpdict["FreeSpace"] = long(logical_disk.FreeSpace)/1024/1024/1024 
                 tmpdict["Percent"] = int(100.0*(long(logical_disk.Size)-long(logical_disk.FreeSpace))/long(logical_disk.Size)) 
                 tmplist.append(tmpdict) 
     return tmplist 
if __name__ == "__main__": 
     disk = get_disk_info() 
     print disk 
     print '--------------------------------------' 
     fs = get_fs_info() 
     print fs