Python - Remove duplicated files

removedups.py

import os, hashlib

from os import listdir
from os.path import isfile, join

mypath = "."

files = [ f for f in listdir(mypath) if isfile(join(mypath,f)) ]

hashes = set()

for f in files:
  # h = hashlib.md5(open(f).read()).hexdigest()
  h = hashfile(f)
  if h in hashes:
    print 'File ' + f + ' is duplicated'
    os.remove(f)
  else:
    hashes.add(h)

def hashfile(path, blocksize = 65536):
    afile = open(path, 'rb')
    hasher = hashlib.md5()
    buf = afile.read(blocksize)
    while len(buf) > 0:
        hasher.update(buf)
        buf = afile.read(blocksize)
    afile.close()
    return hasher.hexdigest()