.. link: http://dgplug.org/summertraining/2013/posts/kaviskhandelwal-dup_images-20130731.html
.. description: 
.. tags: 
.. date: 2013/07/31 09:00:32
.. title: kaviskhandelwal dup_images  20130731
.. slug: kaviskhandelwal-dup_images-20130731

===============
duplicate_image
===============

The assignment was to find all the duplicate images from the given direcories as commandline arguments.

duplicate_image find the dulicate image files in a given directory



Code
====

.. code:: python

	#!/usr/bin/env python
	""" duplicate_image.py is a python program to search duplicate images in a given directory """

	import os , sys
	import hashlib					
	from PIL import Image
	import types					""" Package check NoneType EXIF information """
	file_list = []					

	def MD5(location, file):                        """ Function to get MD5 code of Image file having no EXIF information """
		os.chdir(location)
		with open(file, "r") as picture:
		        fileContents = picture.read()
		        md5 = hashlib.md5()
		        md5.update(fileContents)
		        hash = md5.hexdigest()
		        return hash

	def exif(location, file):			""" Function to get EXIF information of Imagefile """
		res = {}
		os.chdir(location)
		res = Image.open(file)._getexif()
		if isinstance( Image.open(file)._getexif(), types.NoneType):

		        return MD5(location, file)
		else :  return res

	def search(path):				""" Function to get a list of all 'jpg' and 'jpeg' image file """
	       
		filelist = []

		for r,d,f in os.walk(path):
		        for files in f:
		                if (files.endswith(".jpg") or files.endwith(".JPG")) :
		                        os.path.join(r,files)
		                        file = [r, files]
					filelist.append(file)
		return filelist
	
	

	def check_for_duplicate():				""" Function to check the duplicate images in a directory """

		global file_list

		for n in file_list:
		     
			info = exif(n[0], n[1])
		        for x in file_list:

				info2 = exif(x[0], x[1])
		                if(info == info2):
					if ((n[1] == x[1] and n[0] != x[0]) or (n[1] != x[1])):
		                       		print "%s path -> %s  is duplicate of %s path -> %s " %(n[1],n[0], x[1],x[0])                            


	if __name__=='__main__':
		file_list = search(sys.argv[1])			""" List of all 'jpg' and ' jpeg' images """
		check_for_duplicate()				 



RUN
====

	$ ./duplicate_image.py /home/user

searches for all duplicate file in a directory '/home/user'