pipe.py

from PIL import Image
import imagehash
import copy
import time

def change_pixel(img, pix, position, color):
	
	if img.mode == '1':
	    value = int(color >= 127) # Black-and-white (1-bit)
	elif img.mode == 'L':
	    value = color # Grayscale (Luminosity)
	elif img.mode == 'RGB':
	    value = (color, color, color)
	elif img.mode == 'RGBA':
	    value = (color, color, color, 255)
	elif img.mode == 'P':
	    raise NotImplementedError("TODO: Look up nearest color in palette")
	else:
	    raise ValueError("Unexpected mode for PNG image: %s" % img.mode)

	pix[position] = value

	return pix

# img1 = Image.open('pic.jpg')
img1 = Image.new("RGB", (960, 960), (255, 255, 255))
img2 = copy.deepcopy(img1)
original_img2 = copy.deepcopy(img2)

img1.save("{}.jpg".format(imagehash.phash(img1)))
img1 = img1.resize((12, 12))
hash1 = imagehash.phash(img1)

width, height = img2.size

for w in range(width):
	for h in range(height):
		pix = img2.load()
		color = 0
		position = (h,w)
		print(position)

		pix = change_pixel(img2, pix, position, color)

		# if we found image that doesn't match, we want to actually save it
		preserve_img = copy.deepcopy(img2)
		
		img2 = img2.resize((12, 12))

		hash2 = imagehash.phash(img2)

		print(hash1)
		print(hash2)
		print(hash1 == hash2)
		if hash1 != hash2:
			preserve_img.save("{}.jpg".format(hash2))

		img2 = copy.deepcopy(original_img2)

validator.py

from PIL import Image
import imagehash
import sys

cmd_in = sys.argv

if len(cmd_in) != 3:
    raise ValueError("You only provided {} arugments insteads of 2".format(len(cmd_in)))

img1 = Image.open(cmd_in[1])
width, height = img1.size 
if width < 960 or height < 960:
    raise ValueError("Image can't be smaller than 960x960 but yours is: {}x{}".format(width, height))

img2 = Image.open(cmd_in[2])
width, height = img2.size 
if width < 960 or height < 960:
    raise ValueError("Image can't be smaller than 960x960 but yours is: {}x{}".format(width, height))


img1 = img1.resize((12,12))
img2 = img2.resize((12,12))

hash1 = imagehash.phash(img1)
hash2 = imagehash.phash(img2)

print(hash1, hash2, hash1 == hash2)