def ParseCommandLineArguments(default_config_file='config/namebench.cfg'):
  """Get our option configuration setup.

  Args:
    default_config_file: path to configuration (may be relative)

  Returns:
    stuple of (OptionParser object, args)
  """
  ds = data_sources.DataSources()
  import_types = ds.ListSourceTypes()
  parser = optparse.OptionParser()
  parser.add_option('-6', '--ipv6_only', dest='ipv6_only', action='store_true', help='Only include IPv6 name servers')
  parser.add_option('-4', '--ipv4_only', dest='ipv4_only', action='store_true', help='Only include IPv4 name servers')
  parser.add_option('-b', '--censorship-checks', dest='enable_censorship_checks', action='store_true', help='Enable censorship checks')
  parser.add_option('-c', '--country', dest='country', default=None, help='Set country (overrides GeoIP)')
  parser.add_option('-H', '--skip-health-checks', dest='skip_health_checks', action='store_true', default=False, help='Skip health checks')
  parser.add_option('-G', '--hide_results', dest='hide_results', action='store_true',  help='Upload results, but keep them hidden from indexes.')
  parser.add_option('-i', '--input', dest='input_source', help=('Import hostnames from an filename or application (%s)' % ', '.join(import_types)))
  parser.add_option('-I', '--ips', dest='servers', default=[], help='A list of ips to test (can also be passed as arguments)')
  parser.add_option('-j', '--health_threads', dest='health_thread_count', type='int', help='# of health check threads to use')
  parser.add_option('-J', '--benchmark_threads', dest='benchmark_thread_count', type='int', help='# of benchmark threads to use')
  parser.add_option('-k', '--distance_km', dest='distance', default=1250, help='Distance in km for determining if server is nearby')
  parser.add_option('-K', '--overload_distance_km', dest='overload_distance', default=250, help='Like -k, but used if the country already has >350 servers.')
  parser.add_option('-m', '--select_mode', dest='select_mode', default='automatic', help='Selection algorithm to use (weighted, random, chunk)')
  parser.add_option('-M', '--max_servers_to_check', dest='max_servers_to_check', default=350, help='Maximum number of servers to inspect')
  parser.add_option('-n', '--num_servers', dest='num_servers', type='int', help='Number of nameservers to include in test')
  parser.add_option('-o', '--output', dest='output_file', default=None, help='Filename to write output to')
  parser.add_option('-O', '--csv_output', dest='csv_file', default=None, help='Filename to write query details to (CSV)')
  parser.add_option('-p', '--psn')   # Silly Mac OS X adding -psn_0_xxxx
  parser.add_option('-P', '--ping_timeout', dest='ping_timeout', type='float', help='# of seconds ping requests timeout in.')
  parser.add_option('-q', '--query_count', dest='query_count', type='int', help='Number of queries per run.')
  parser.add_option('-r', '--runs', dest='run_count', default=1, type='int', help='Number of test runs to perform on each nameserver.')
  parser.add_option('-s', '--sets', dest='server_sets', default=[], help='Comma-separated list of sets to test (%s)' % SETS_TO_TAGS_MAP.keys())
  parser.add_option('-T', '--template', dest='template', default='html', help='Template to use for output generation (ascii, html, resolv.conf)')
  parser.add_option('-U', '--site_url', dest='site_url', help='URL to upload results to (http://namebench.appspot.com/)')
  parser.add_option('-u', '--upload_results', dest='upload_results', action='store_true', help='Upload anonymized results to SITE_URL (False)')
  parser.add_option('-V', '--invalidate_cache', dest='invalidate_cache', action='store_true', help='Force health cache to be invalidated')
  parser.add_option('-w', '--open_webbrowser', dest='open_webbrowser', action='store_true', help='Opens the final report in your browser')
  parser.add_option('-x', '--no_gui', dest='no_gui', action='store_true', help='Disable GUI')
  parser.add_option('-Y', '--health_timeout', dest='health_timeout', type='float', help='health check timeout (in seconds)')
  parser.add_option('-y', '--timeout', dest='timeout', type='float', help='# of seconds general requests timeout in.')
  parser.add_option('-z', '--config', dest='config', default=default_config_file, help='Config file to use.')

  options, args = parser.parse_args()
  if options.server_sets:
    if options.server_sets in ',':
      sets = options.server_sets.split(',')
    else:
      sets = [options.server_sets,]
    options.tags = ExpandSetsToTags(sets)
  else:
    options.tags = set()

  if args:
    options.servers.extend(addr_util.ExtractIPsFromString(' '.join(args)))
    options.tags.add('specified')

  return options
dataset/ETHPy150Open catap/namebench/libnamebench/config.py/ParseCommandLineArguments/swapped operands of `in`