code: def main():
      argparser = argparse.ArgumentParser()
      argparser.add_argument(
          "--wrapper",
          "-w",
          help="python script with function create_model "
          + "that takes modeldir "
          "(that is, directory where experiment saves "
          + "the checkpoints etc)"
          + "and returns dict -> dict function (model)."
          + "By default, studio-serve will try to determine "
          + "this function automatically.",
          default=None,
      )
  
      argparser.add_argument(
          "--port",
          help="port to run Flask server on",
          type=int,
          default=5000,
      )
  
      argparser.add_argument(
          "--host", help="host name.", default="0.0.0.0"
      )
  
      argparser.add_argument(
          "--killafter",
          help="Shut down after this many seconds of inactivity",
          default=3600,
      )
  
      options, other_args = argparser.parse_known_args(sys.argv[1:])
      serve_args = ["studio::serve_main"]
  
      assert len(other_args) >= 1
      experiment_key = other_args[-1]
      runner_args = other_args[:-1]
      runner_args.append(
          "--reuse={}/modeldir:modeldata".format(experiment_key)
      )
      runner_args.append("--force-git")
      runner_args.append("--port=" + str(options.port))
  
      if options.wrapper:
          serve_args.append("--wrapper=" + options.wrapper)
          serve_args.append("--port=" + str(options.port))
  
      serve_args.append("--host=" + options.host)
      serve_args.append("--killafter=" + str(options.killafter))
  
      total_args = runner_args + serve_args
      runner.main(total_args)
  
imports: import sys
  import argparse
  from studio import runner
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types