text: 
  if __name__ == '__main__':
  
      from argparse import ArgumentParser
      from multiprocessing import Pool
      from .BIOMETRY import generate as generate_BIOMETRY
      from .FER import generate as generate_FER
      from .CASCADE import generate as generate_CASCADE
  
      parser = ArgumentParser()
      parser.add_argument('--FER', action='store_true')
      parser.add_argument('--BIOMETRY', action='store_true')
      parser.add_argument('--CASCADE', action='store_true')
      parser.add_argument('--num_workers', default=4, type=int)
      parser.add_argument('--num_classes', type=int)
      args = parser.parse_args()
  
      with Pool(args.num_workers) as pool:
          if args.FER: pool.map(*generate_FER(num_classes=args.num_classes))
          if args.BIOMETRY: pool.map(*generate_BIOMETRY(num_classes=args.num_classes))
          if args.CASCADE: pool.map(*generate_CASCADE(num_classes=args.num_classes))
  