python os.fstatvfs() 方法

#!/usr/bin/python

import os, sys

# Open a file
fd = os.open( "foo.txt", os.O_RDWR|os.O_CREAT )

# Now get  the touple
info = os.fstatvfs(fd)

print "File Info :", info

# Now get maximum filename length
print "Maximum filename length :%d" % info.f_namemax

# Now get free blocks
print "Free blocks :%d" % info.f_bfree

# Close opened file
os.close( fd)