code: def process_xml_files(self):
      self.update_segments = open(
          os.path.join(self.args.scp, "segments_from_xml.tmp"),
          "w",
          encoding="utf-8",
      )
  
      # for natsume
      mid_reader = MIDReader(
          os.path.join(self.args.scp, "mid.scp"), add_rest=True
      )
      for xml_line in self.file_scp:
          xmlline = xml_line.strip().split(" ")
          recording_id = xmlline[0]
          path = xmlline[1]
  
          # for natsume
          tempo, temp_info = self.fix_dataset4(
              recording_id, mid_reader, self.xml_reader
          )
  
          self.segments.append(
              self.make_segment_xml(
                  recording_id,
                  tempo,
                  temp_info,
                  self.args.threshold,
                  self.args.silence,
              )
          )
  
file_path: espnet/egs2/natsume/svs1/local/prep_segments.py
imports: import os
  from egs2.TEMPLATE.svs1.pyscripts.utils.prep_segments import DataHandler, LabelInfo, SegInfo, get_parser
  from espnet2.fileio.score_scp import MIDReader
label_desc: Use image node_id 9 for calling the NatsumeDataHandler obj's underlying member method code with example usage: obj.process_xml_files() without return types