code: def is_image_file_valid(file_path_name):
      
      # Image.verify is only implemented for PNG images, and it only verifies
      # the CRC checksum in the image.  The only way to check from within
      # Pillow is to load the image in a try/except and check the error.  If
      # as much info as possible is from the image is needed,
      # ``ImageFile.LOAD_TRUNCATED_IMAGES=True`` needs to bet set and it
      # will attempt to parse as much as possible.
      try:
          with Image.open(file_path_name) as image:
              image.load()
      except IOError:
          return False
  
      return True
docs: Indicate whether the specified image file is valid or not.
  
  
      @param file_path_name: absolute path and file name of an image.
  
  
      @return: ``True`` if the image file is valid, ``False`` if the file is
          truncated or does not correspond to a supported image.