Shulou(Shulou.com)06/03 Report--

This article mainly shows you the "sample analysis of python metaclass conflicts", which is easy to understand and clear. I hope it can help you solve your doubts. Let me lead you to study and learn the article "sample analysis of python metaclass conflicts".

1. When multiple subclasses inherit, an error occurs when multiple parent classes have different metaclasses.

2. All metaclasses involved in multiple parent classes have inheritance relationships.

3. Build a metaclass and inherit all the metaclasses involved in the parent class.

Example

Class Meta1 (type): def _ new__ (mcs, * args, * * kwargs): return super (Meta1, mcs). _ _ new__ (mcs, * args, * * kwargs) # change part: Meta2 inherits Meta1class Meta2 (Meta1): def _ new__ (mcs, * args, * * kwargs): return super (Meta2, mcs). _ _ new__ (mcs, * args) * * kwargs) class Body (metaclass=Meta1): pass class Head (metaclass=Meta2): pass class Human (Body, Head): pass is all the contents of the article "sample Analysis of python Metaclass conflicts" Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.