class BaseModel(object): def __init__(self, config): self.cfg = config self.logger = Logger(self.cfg) self._model = None self._build_model() def _build_model(self): raise NotImplementedError def save(self): self.logger.msg('Saving model...') sp = self.cfg.save_path self._model.save(sp) self.logger.msg('Model saved') @property def model(self): return self._model