code: def get_paths(self):
      paths = {}
      for study in dft.get_studies(self.dicom_path, self.followlinks):
          pd = paths.setdefault(study.patient_name_or_uid(), {})
          patient_info = "patient information\n"
          patient_info += f"name: {study.patient_name}\n"
          patient_info += f"ID: {study.patient_id}\n"
          patient_info += f"birth date: {study.patient_birth_date}\n"
          patient_info += f"sex: {study.patient_sex}\n"
          pd["INFO"] = patient_info.encode("ascii", "replace")
          study_datetime = f"{study.date}_{study.time}"
          study_info = "study info\n"
          study_info += f"UID: {study.uid}\n"
          study_info += f"date: {study.date}\n"
          study_info += f"time: {study.time}\n"
          study_info += f"comments: {study.comments}\n"
          d = {"INFO": study_info.encode("ascii", "replace")}
          for series in study.series:
              series_info = "series info\n"
              series_info += f"UID: {series.uid}\n"
              series_info += f"number: {series.number}\n"
              series_info += f"description: {series.description}\n"
              series_info += "rows: %d\n" % series.rows
              series_info += "columns: %d\n" % series.columns
              series_info += (
                  "bits allocated: %d\n" % series.bits_allocated
              )
              series_info += "bits stored: %d\n" % series.bits_stored
              series_info += "storage instances: %d\n" % len(
                  series.storage_instances
              )
              d[series.number] = {
                  "INFO": series_info.encode("ascii", "replace"),
                  f"{series.number}.nii": (
                      series.nifti_size,
                      series.as_nifti,
                  ),
                  f"{series.number}.png": (
                      series.png_size,
                      series.as_png,
                  ),
              }
          pd[study_datetime] = d
      return paths
  
imports: import errno
  import locale
  import logging
  import os
  import stat
  import sys
  import time
  from optparse import Option, OptionParser
  import nibabel
  import nibabel.dft
label_desc: Use image node_id 2 for calling the DICOMFS obj's underlying member method code with example usage: obj.get_paths() and returns: paths