text: import sys
  import argparse
  import pkg_resources
  import hashlib
  
  from sawtooth_sdk.processor.core import TransactionProcessor
  from sawtooth_sdk.processor.log import init_console_logging
  from sawtooth_sdk.processor.log import log_configuration
  from sawtooth_sdk.processor.config import get_log_config
  from sawtooth_sdk.processor.config import get_log_dir
  from handler.handler import Manufacturing
  
  
  DISTRIBUTION_NAME = 'sawtooth-CUSTOM-TP'
  tp_config_name='example_tp'
  
  
  def parse_args(args):
  
      print(args)
      parser = argparse.ArgumentParser(
          formatter_class=argparse.RawTextHelpFormatter)
  
      parser.add_argument(
          '-C', '--connect',
          default='tcp://validator:4004',
          help='Endpoint for the validator connection')
  
      parser.add_argument('-v', '--verbose',
                          action='count',
                          default=2,
                          help='Increase output sent to stderr')
  
      try:
          version = pkg_resources.get_distribution(DISTRIBUTION_NAME).version
      except pkg_resources.DistributionNotFound:
          version = 'UNKNOWN'
  
      parser.add_argument(
          '-V', '--version',
          action='version',
          version=(DISTRIBUTION_NAME + ' (Hyperledger Sawtooth) version {}')
          .format(version),
          help='print version information')
      return parser.parse_args(args)
  
  
  def main(args=None):
      if args is None:
          args = sys.argv[3:]  # considering the starting command is `python3 main.py` and then additional arguments
  
      opts = parse_args(args)
      processor = None
  
      try:
          processor = TransactionProcessor(url=opts.connect)
          log_config = get_log_config(filename=tp_config_name+"_log_config.toml")
          # If no toml, try loading yaml
          if log_config is None:
              log_config = get_log_config(filename=tp_config_name+"_log_config.yaml")
          if log_config is not None:
              log_configuration(log_config=log_config)
          else:
              log_dir = get_log_dir()
              # use the transaction processor zmq identity for filename
              log_configuration(
                  log_dir=log_dir,
                  name=tp_config_name+"-" + str(processor.zmq_id)[2:-1])
          init_console_logging(verbose_level=opts.verbose)
          # The prefix should eventually be looked up from the
          # validator's namespace registry.
          handler = Manufacturing()
          processor.add_handler(handler)
          processor.start()
  
      except KeyboardInterrupt:
          pass
      except Exception as e:  # pylint: disable=broad-except
          print("Error: {}".format(e), file=sys.stderr)
      finally:
          if processor is not None:
              processor.stop()
  
  main()
  
  
  
  