new_contents: import os
  import cv2
  import json
  import argparse
  import numpy as np
  
  class Manager():
      ALL = 'tiles'
      ZYX = ['z','row','column']
  
      def __init__(self, in_path):
          # Load the json file
          with open(in_path, 'r') as jd:
              # Get all the filenames
              bossfile = json.load(jd)
              print bossfile.keys()
  
  if __name__ == '__main__':
  
      help = {
          'tiff2set': 'Get all values in a region a list of tiff files',
          'files': 'The path to a json file listing all tiff files',
          'out': 'The folder to save all lists of ids (./out)',
          'z_arg': 'z_start:z_stop',
          'y_arg': 'y_start:y_stop',
          'x_arg': 'x_start:x_stop',
      }
      # Read the arguments correctly
      parser = argparse.ArgumentParser(description=help['tiff2set'])
      # Define all the arguments
      parser.add_argument('files', help=help['files'])
      parser.add_argument('z_arg', help=help['z_arg'])
      parser.add_argument('y_arg', help=help['y_arg'])
      parser.add_argument('x_arg', help=help['x_arg'])
      parser.add_argument('--out', '-o', default='out', help=help['out'])
      # Read the argumentss into a dictionary
      argd = vars(parser.parse_args())
      # Format the path arguments properly
      def fmt_path(k):
          return os.path.abspath(os.path.expanduser(argd[k]))
      in_file, out_folder = map(fmt_path, ['files', 'out'])
      # Format the bound arguments properly
      def fmt_bound(k):
          return np.uint32(map(int,argd[k].split(':')))
      bounds = np.uint32(map(fmt_bound, ['z_arg','y_arg','x_arg']))
      # Create a file manager
      mgmt = Manager(in_file)
  
  
subject: add tiff tests