text: """
  Copyright (R) @huawei.com, all rights reserved
  -*- coding:utf-8 -*-
  CREATED:  2020-12-11 10:12:13
  MODIFIED: 2020-12-11 14:04:45
  """
  import sys
  import math
  import operator
  import functools 
  from PIL import Image
  
  
  
  def image_contrast(image1, image2):
      """
      Verify that the pictures are the same
      """
      file1 = Image.open(image1)
      file2 = Image.open(image2)
      h1 = file1.histogram()
      h2 = file2.histogram()
      ret = math.sqrt(functools.reduce(operator.add, list(map(lambda a, b: (a - b) ** 2, h1, h2))) / len(h1))
      return ret
  
  
  
  if __name__ == '__main__':
      img1 = sys.argv[1]
      img2 = sys.argv[2]
      result = image_contrast(img1, img2)
      if (result > 50.0):
          sys.exit(1)
      else:
          sys.exit(0)
  