pytho获取磁盘剩余空间

if path is None:
if os.name == 'nt':
path = "C:\\"
else:
path = '/'
if os.name == 'nt':
import win32file
res_list = win32file.GetDiskFreeSpace(path)
disk_free_space = res_list[0]*res_list[1]*res_list[2]/(1024*1024.0)
else:
import statvfs
vfs = os.statvfs(path)
disk_free_space = vfs[statvfs.F_BAVAIL]*vfs[statvfs.F_BSIZE]/(1024*1024.0)