python jpg files MD5 renamer

md5_image_renamer.py

#!/bin/sh/ python
import os
import shutil
import hashlib
 
output_dir = '.'
 
for dirpath, dnames, fnames in os.walk("."):
    for f in fnames:
        full_path = os.path.join(dirpath, f)
        if f.endswith(".jpg"):
            md5_hash = hashlib.md5(open(full_path, 'rb').read()).hexdigest()
            filename = '{0}.jpg'.format(md5_hash) 
            new_path = os.path.join(output_dir, filename)
            
            if os.path.exists(new_path):
                os.remove(new_path)
                
            shutil.copy2(full_path, new_path)
            print filename