完美地覆蓋了詞典:在Python領域中潛入MutableMapping ABCS
僅在於覆蓋所需的必要方法來實現所需的行為。嘗試修改
setItem單獨證明不足,將諸如get()和迭代之類的基本操作保持在破碎狀態。 類mytransformeddict(transformeddict): def _keytransform(self,key): 返回key.lower()
Testing and Debugging: ABCs help detect missing methods, ensuring thorough testing and reliability.
Polymorphic Behavior: Instances of TransformedDict can be used seamlessly in contexts that expect dictionaries, thanks to the compatible interface.
Serialization Support:
Inherited from dict, TransformedDict supports pickling and other serialization methods.Conclusion
By embracing the MutableMapping ABC and implementing a minimal set of core methods, it's possible to create a dict的“完美”子類。這種方法既具有靈活性又具有魯棒性,從而在利用Python詞典的內置功能時實現了有效的密鑰轉換。
免責聲明: 提供的所有資源部分來自互聯網,如果有侵犯您的版權或其他權益,請說明詳細緣由並提供版權或權益證明然後發到郵箱:[email protected] 我們會在第一時間內為您處理。
Copyright© 2022 湘ICP备2022001581号-3