code: def get_file(self, **kwargs):
          
          # TODO put this in a sqlite DB so it can be queried efficiently
          # TODO handle multiple matches (with DB?)
          # TODO check that kwargs are actual attrs
          for entry in self.all_files():
              if all(value == getattr(entry, key) for key, value in kwargs.items()):
                  return entry
          return None
docs: Return the FSEntry that matches parameters.
  
          :param str file_uuid: UUID of the target FSEntry.
          :param str label: structMap LABEL of the target FSEntry.
          :param str type: structMap TYPE of the target FSEntry.
          :returns: :class:`FSEntry` that matches parameters, or None.