old_contents: """Command line handling for ncbi-genome-download."""
  import logging
  from ncbi_genome_download import args_download
  from ncbi_genome_download import argument_parser
  from ncbi_genome_download import __version__
  
  
  def main():
      """Build and parse command line."""
      parser = argument_parser(version=__version__)
      args = parser.parse_args()
  
      if args.debug:
          log_level = logging.DEBUG
      elif args.verbose:
          log_level = logging.INFO
      else:
          log_level = logging.WARNING
  
      logger = logging.getLogger("ncbi-genome-download")
      logging.basicConfig(format='%(levelname)s: %(message)s', level=log_level)
  
      max_retries = args.retries
      attempts = 0
      ret = args_download(args)
      while ret == 75 and attempts < max_retries:
          attempts += 1
          logger.error(
              'Downloading from NCBI failed due to a connection error, retrying. Retries so far: %s',
              attempts)
          ret = args_download(args)
  
      return ret
  
  
  if __name__ == '__main__':
      main()
  
new_contents: """Command line handling for ncbi-genome-download."""
  import logging
  from ncbi_genome_download import args_download
  from ncbi_genome_download import argument_parser
  from ncbi_genome_download import __version__
  
  
  def main():
      """Build and parse command line."""
      parser = argument_parser(version=__version__)
      args = parser.parse_args()
  
      if args.debug:
          log_level = logging.DEBUG
      elif args.verbose:
          log_level = logging.INFO
      else:
          log_level = logging.WARNING
  
      logger = logging.getLogger("ncbi-genome-download")
      logging.basicConfig(format='%(levelname)s: %(message)s', level=log_level)
  
      max_retries = args.retries
      attempts = 0
      try:
          ret = args_download(args)
      except ValueError as err:
          print(err)
          return -2
      while ret == 75 and attempts < max_retries:
          attempts += 1
          logger.error(
              'Downloading from NCBI failed due to a connection error, retrying. Retries so far: %s',
              attempts)
          ret = args_download(args)
  
      return ret
  
  
  if __name__ == '__main__':
      main()
  
subject: Print nicer error messages on invalid arguments