code: def main():
      argparser = argparse.ArgumentParser(description=__doc__)
      argparser.add_argument(
          "-i",
          "--input-path",
          required=True,
          metavar="OSM_FILE_PATH",
          help="set the input OSM file path",
      )
      argparser.add_argument(
          "-o",
          "--output-path",
          required=True,
          metavar="XODR_FILE_PATH",
          help="set the output XODR file path",
      )
      argparser.add_argument(
          "--lane-width",
          default=6.0,
          help="width of each road lane in meters",
      )
      argparser.add_argument(
          "--traffic-lights",
          action="store_true",
          help="enable traffic light generation from OSM data",
      )
      argparser.add_argument(
          "--all-junctions-lights",
          action="store_true",
          help="set traffic lights for all junctions",
      )
      argparser.add_argument(
          "--center-map",
          action="store_true",
          help="set center of map to the origin coordinates",
      )
  
      if len(sys.argv) < 2:
          argparser.print_help()
          return
  
      args = argparser.parse_args()
  
      if args.input_path is None or not os.path.exists(args.input_path):
          print("input file not found.")
      if args.output_path is None:
          print("output file path not found.")
  
      print(__doc__)
  
      try:
          convert(args)
      except:
          print("\nAn error has occurred in conversion.")
  
imports: import argparse
  import glob
  import os
  import sys
  import carla
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types