code: def parse_args():
      """parameter test."""
      parser = argparse.ArgumentParser(
          description="siamrpn tracking test result"
      )
      parser.add_argument(
          "--dataset", default="OTB2015", type=str, help="dataset name"
      )
      parser.add_argument(
          "--dataset-root",
          type=str,
          default="~/.mxnet/datasets/OTB2015",
          help="dataset root",
      )
      parser.add_argument(
          "--model-path", type=str, help="path of models to eval"
      )
      parser.add_argument(
          "--results-path", type=str, help="results path"
      )
      parser.add_argument(
          "--video", default="", type=str, help="eval one special video"
      )
      parser.add_argument(
          "--vis", action="store_true", help="whether visualzie result"
      )
      parser.add_argument(
          "--mode",
          type=str,
          default="hybrid",
          help="mode in which to train the model.options are symbolic, hybrid",
      )
      parser.add_argument(
          "--num-gpus",
          type=int,
          default=0,
          help="number of gpus to use.",
      )
      parser.add_argument(
          "--model-name",
          type=str,
          default="siamrpn_alexnet_v2_otb15",
          help="name of model.",
      )
      parser.add_argument(
          "--num-workers",
          default=4,
          type=int,
          help="number of preprocessing workers",
      )
      parser.add_argument(
          "--pretrained",
          action="store_true",
          default="True",
          help="enable using pretrained model from gluon.",
      )
      parser.add_argument(
          "--use-gpu",
          action="store_true",
          default="True",
          help="Whether to use GPU.",
      )
      opt = parser.parse_args()
      return opt
  
file_path: gluon-cv/scripts/tracking/siamrpn/test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import argparse
  import os
  import numpy
  import mxnet
  from gluoncv.model_zoo.siamrpn.siamrpn_tracker import SiamRPNTracker
  from gluoncv.data.otb.tracking import OTBTracking
  from gluoncv.model_zoo.siamrpn.siamrpn_tracker import get_axis_aligned_bbox
  from gluoncv.model_zoo import get_model
  from gluoncv.utils.filesystem import try_import_cv2
label_desc: Use image node_id 1 for calling a global function with example usage: parse_args() and returns: opt