#!/usr/bin/env python

import os, sys
import io   
import sys   
import hashlib   
import string   
import os

print "file present:", sys.argv[0], "wo ri"



def calMd5(afile):   
    m = hashlib.md5()   
    file = io.FileIO(afile,'r')
    bytes = file.read(1024)   
    while(bytes != b'')
        m.update(bytes)
    bytes = file.read(1024)    
    file.close()    
    md5value = m.hexdigest()   
    return  md5value

#def visitor(args, directoryName,filesInDirectory):     # called for each dir 
#print "\t"*(args-1),directoryName
#for fname in filesInDirectory:                   
#fpath = os.path.join(directoryName, fname)    
#if not os.path.isdir(fpath):                   
#print "\t"*args,fname,"\t",calMd5(fpath)
#
#def calDirMd5(startdir, level):
#os.path.walk(startdir, visitor, level+1)
#
#if __name__ == '__main__':
#root=raw_input("type root directory:")
#calDirMd5(root,0)

print "hello"
