code: def getattr(self, path):
      logger.debug(f"getattr {path}")
      matched_path = self.match_path(path)
      logger.debug(f"matched: {matched_path}")
      now = time.time()
      st = fuse.Stat()
      if isinstance(matched_path, dict):
          st.st_mode = stat.S_IFDIR | 0o755
          st.st_ctime = now
          st.st_mtime = now
          st.st_atime = now
          st.st_uid = uid
          st.st_gid = gid
          st.st_nlink = len(matched_path)
          return st
      if isinstance(matched_path, str):
          st.st_mode = stat.S_IFREG | 0o644
          st.st_ctime = now
          st.st_mtime = now
          st.st_atime = now
          st.st_uid = uid
          st.st_gid = gid
          st.st_size = len(matched_path)
          st.st_nlink = 1
          return st
      if isinstance(matched_path, tuple):
          st.st_mode = stat.S_IFREG | 0o644
          st.st_ctime = now
          st.st_mtime = now
          st.st_atime = now
          st.st_uid = uid
          st.st_gid = gid
          st.st_size = matched_path[0]()
          st.st_nlink = 1
          return st
      return -errno.ENOENT
  
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 5 for calling the DICOMFS obj's underlying member method code with example usage: obj.getattr(path) and returns: unknown, st, st, st