code: def TraverseData(
      sound_dir,
      annotation_dir,
      target_dir,
      mode,
      speaker_info,
      new_data_dir,
      speaker_details,
  ):
      if not os.path.exists(target_dir):
          os.makedirs(target_dir)
  
      segments = open(
          os.path.join(target_dir, "segments"), "w", encoding="utf-8"
      )
      wavscp = open(
          os.path.join(target_dir, "wav.scp"), "w", encoding="utf-8"
      )
      utt2spk = open(
          os.path.join(target_dir, "utt2spk"), "w", encoding="utf-8"
      )
      spk2utt = open(
          os.path.join(target_dir, "spk2utt"), "w", encoding="utf-8"
      )
      text = open(
          os.path.join(target_dir, "text.na"), "w", encoding="utf-8"
      )
      remix_script = open(
          os.path.join(target_dir, "remix_script.sh"),
          "w",
          encoding="utf-8",
      )
      correction_text = open(
          os.path.join(target_dir, "text.es"), "w", encoding="utf-8"
      )
  
      # get relationship
      sound_files = {}
      annotation_files = {}
      spk2utt_prep = {}
  
      wav_spk_info = LoadWavSpeakerInfo(speaker_info)
      spk_details = LoadSpeakerDetails(speaker_details)
      for root, dirs, files in os.walk(sound_dir):
          for file in files:
              if file[-4:] == ".wav":
                  sound_files[
                      ExtractAudioID(file, wav_spk_info)
                  ] = os.path.join(root, file)
      for root, dirs, files in os.walk(annotation_dir):
          for file in files:
              if file[-4:] == ".eaf":
                  annotation_files[
                      ExtractAudioID(file, wav_spk_info)
                  ] = os.path.join(root, file)
      for afile in annotation_files.keys():
          afile_path = annotation_files[afile]
          if afile == "error":
              continue
          if afile not in sound_files.keys():
              print("no sound file found in {}".format(afile))
          spk_info = wav_spk_info[afile]
          segment_info, correction_segment_info = ELANProcess(
              afile_path, spk_info, spk_details
          )
          if segment_info is None:
              print("no segment found for {}".format(file))
              continue
  
          print(
              'sox -t wavpcm "%s" -c 1 -r 16000 -t wavpcm %s-L.wav remix 1'
              % (sound_files[afile], os.path.join(new_data_dir, afile)),
              file=remix_script,
          )
  
          print(
              "%s-L %s-L.wav"
              % (afile, os.path.join(new_data_dir, afile)),
              file=wavscp,
          )
  
          left_channel_segments, right_channel_segments = segment_info
          (
              left_channel_segments_corr,
              right_channel_segments_corr,
          ) = correction_segment_info
          for segment_number, segment in left_channel_segments.items():
              if (
                  segment_number
                  not in left_channel_segments_corr.keys()
              ):
                  continue
              # segments: start end text
              segment_id = "%s_%s-L_%s" % (
                  spk_info[0],
                  afile,
                  PackZero(segment_number),
              )
              print(
                  "%s %s-L %s %s"
                  % (segment_id, afile, segment[0], segment[1]),
                  file=segments,
              )
              print("%s %s" % (segment_id, spk_info[0]), file=utt2spk)
              print("%s %s" % (segment_id, segment[2]), file=text)
              print(
                  "%s %s"
                  % (
                      segment_id,
                      left_channel_segments_corr[segment_number],
                  ),
                  file=correction_text,
              )
              spk2utt_prep[spk_info[0]] = spk2utt_prep.get(
                  spk_info[0], ""
              ) + " %s" % (segment_id)
  
          if len(right_channel_segments) > 0:
              print(
                  'sox -t wavpcm "%s" -c 1 -r 16000 -t wavpcm %s-R.wav remix 2'
                  % (
                      sound_files[afile],
                      os.path.join(new_data_dir, afile),
                  ),
                  file=remix_script,
              )
              print(
                  "%s-R %s-R.wav"
                  % (afile, os.path.join(new_data_dir, afile)),
                  file=wavscp,
              )
              for (
                  segment_number,
                  segment,
              ) in right_channel_segments.items():
                  if (
                      segment_number
                      not in right_channel_segments_corr.keys()
                  ):
                      continue
                  # segments: start end text
                  segment_id = "%s_%s-R_%s" % (
                      spk_info[1],
                      afile,
                      PackZero(segment_number),
                  )
                  print(
                      "%s %s-R %s %s"
                      % (segment_id, afile, segment[0], segment[1]),
                      file=segments,
                  )
                  print(
                      "%s %s" % (segment_id, spk_info[1]), file=utt2spk
                  )
                  print("%s %s" % (segment_id, segment[2]), file=text)
                  print(
                      "%s %s"
                      % (
                          segment_id,
                          right_channel_segments_corr[segment_number],
                      ),
                      file=correction_text,
                  )
                  spk2utt_prep[spk_info[1]] = spk2utt_prep.get(
                      spk_info[1], ""
                  ) + " %s" % (segment_id)
  
          if correction_segment_info is None:
              print("no correction segment found for {}".format(file))
              continue
  
          print("successfully processing %s" % afile)
      for spk in spk2utt_prep.keys():
          print("%s %s" % (spk, spk2utt_prep[spk]), file=spk2utt)
      segments.close()
      wavscp.close()
      utt2spk.close()
      spk2utt.close()
      text.close()
      correction_text.close()
  
file_path: espnet/egs/puebla_nahuatl/st1/local/data_prep.py
imports: import os
  import re
  import string
  import sys
  from argparse import ArgumentParser
  from xml.dom.minidom import parse
label_desc: Use image node_id 9 for calling a global function with example usage: TraverseData(sound_dir, annotation_dir, target_dir, mode, speaker_info, new_data_dir, speaker_details) without return types