code: def exit(exit_code, url):
      if exit_code == ERROR_INVALID_URL:
          msg = "Invalid url: %s" % url.url
      elif exit_code == ERROR_NOT_FULL_PATH:
          msg = "URL not a full path: %s" % url.url
      elif exit_code == ERROR_URL_NOT_FOUND:
          msg = "URL not found: %s" % url.url
      elif exit_code == ERROR_URL_ACCESS_DENIED:
          msg = "Access denied to URL: %s" % url.url
      elif exit_code == ERROR_WORKER_EXCEPTION:
          msg = "Download failed"
      elif exit_code == ERROR_VERIFY_FAILED:
          msg = "Verification failed for URL %s, local file %s" % (
              url.url,
              url.local,
          )
      elif exit_code == ERROR_LOCAL_FILE_NOT_FOUND:
          msg = "Local file not found: %s" % url
      elif exit_code == ERROR_TRANSIENT:
          msg = "Transient error for url: %s" % url
      else:
          msg = "Unknown error"
      print("s3op failed:\n%s" % msg, file=sys.stderr)
      sys.exit(exit_code)
  
imports: from __future__ import print_function
  import json
  import time
  import math
  import random
  import re
  import sys
  import os
  import traceback
  from collections import namedtuple
  from functools import partial, wraps
  from hashlib import sha1
  from tempfile import NamedTemporaryFile
  from multiprocessing import Process, Queue
  from itertools import starmap, chain, islice
  from boto3.s3.transfer import TransferConfig
  from metaflow._vendor import click
  from metaflow.util import TempDir, url_quote, url_unquote
  from metaflow.multicore_utils import parallel_map
  from metaflow.plugins.datatools.s3.s3util import aws_retry, read_in_chunks, get_timestamp, TRANSIENT_RETRY_LINE_CONTENT, TRANSIENT_RETRY_START_LINE
  import metaflow.tracing
label_desc: Use image node_id 10 for calling a global function with example usage: exit(exit_code, url) without return types