def _has_complete_key(self):
    return self._key is not None and self._key.id() is not None
Deprecated: toggle the selection of the single item in this control.
dataset/ETHPy150Open GoogleCloudPlatform/datastore-ndb-python/ndb/model.py/Model._has_complete_key--crossover with--dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/samples-and-tests/i-am-a-developer/mechanize/ClientForm.py/ListControl.toggle_single