code: def parse_args():
      parser = ArgsParser()
      parser.add_argument(
          "--eval",
          action="store_true",
          default=False,
          help="Whether to perform evaluation in train",
      )
      parser.add_argument(
          "-r", "--resume", default=None, help="weights path for resume"
      )
      parser.add_argument(
          "--slim_config",
          default=None,
          type=str,
          help="Configuration file of slim method.",
      )
      parser.add_argument(
          "--enable_ce",
          type=bool,
          default=False,
          help="If set True, enable continuous evaluation job."
          "This flag is only used for internal test.",
      )
      parser.add_argument(
          "--amp",
          action="store_true",
          default=False,
          help="Enable auto mixed precision training.",
      )
      parser.add_argument(
          "--fleet",
          action="store_true",
          default=False,
          help="Use fleet or not",
      )
      parser.add_argument(
          "--use_vdl",
          type=bool,
          default=False,
          help="whether to record the data to VisualDL.",
      )
      parser.add_argument(
          "--vdl_log_dir",
          type=str,
          default="vdl_log_dir/scalar",
          help="VisualDL logging directory for scalar.",
      )
      parser.add_argument(
          "--use_wandb",
          type=bool,
          default=False,
          help="whether to record the data to wandb.",
      )
      parser.add_argument(
          "--save_prediction_only",
          action="store_true",
          default=False,
          help="Whether to save the evaluation results only",
      )
      parser.add_argument(
          "--profiler_options",
          type=str,
          default=None,
          help="The option of profiler, which should be in "
          'format "key1=value1;key2=value2;key3=value3".'
          "please see ppdet/utils/profiler.py for detail.",
      )
      parser.add_argument(
          "--save_proposals",
          action="store_true",
          default=False,
          help="Whether to save the train proposals",
      )
      parser.add_argument(
          "--proposals_path",
          type=str,
          default="sniper/proposals.json",
          help="Train proposals directory",
      )
      parser.add_argument(
          "--to_static",
          action="store_true",
          default=False,
          help="Enable dy2st to train.",
      )
  
      args = parser.parse_args()
      return args
  
file_path: PaddleDetection/tools/train.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import sys
  import warnings
  import paddle
  from ppdet.core.workspace import load_config, merge_config
  from ppdet.engine import Trainer, TrainerCot, init_parallel_env, set_random_seed, init_fleet_env
  from ppdet.engine.trainer_ssod import Trainer_DenseTeacher, Trainer_ARSL, Trainer_Semi_RTDETR
  from ppdet.slim import build_slim_model
  from ppdet.utils.cli import ArgsParser, merge_args
  import ppdet.utils.check
  from ppdet.utils.logger import setup_logger
label_desc: Use image node_id 1 for calling a global function with example usage: parse_args() and returns: args