def parent(self):
    if self._parent is None:
      parent_key = self.parent_key()
      if parent_key is not None:
        self._parent = get(parent_key)
    return self._parent
Immediately stop at the first possible occasion (outside interaction)
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/ext/db/__init__.py/Model.parent--crossover with--dataset/ETHPy150Open uwdata/termite-data-server/web2py/gluon/contrib/qdb.py/Frontend.interrupt