def get_value_for_datastore(self, model_instance):
    if self.auto_now:
      return self.now()
    else:
      return super(DateTimeProperty,
                   self).get_value_for_datastore(model_instance)
Get value from property to send to datastore.
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/ext/db/__init__.py/DateTimeProperty.get_value_for_datastore