def load(self, var, default=None):
        if var in self.__dict__:
            raise AttributeError('%s is a reserved attribute in %s' % str(self))
        if not var in self.service.applicationContext:
            self.service.applicationContext[var] = default
        return self.__getattribute__(var)
like getattribute, but values persist
dataset/ETHPy150Open OrbitzWorldwide/droned/droned/lib/droned/applications/__init__.py/StorageMixin.load