docs: def populate(self, filename):
          """Finds the file-stats and populates the class with stat values.
  
          Args:
              filename (str): name of the file.
          """
  
          if os.path.isfile(filename):
              fid_st = os.stat(filename)
              self.name = os.path.abspath(filename)
              self.full_name = filename
              self.size = fid_st.st_size
              self.last_modified = fid_st.st_mtime
              self.last_accessed = fid_st.st_atime
              self.last_info_changed = fid_st.st_ctime
              self.location = os.path.dirname(filename)