问题描述
Python与Ruby的method_missing方法等效吗?我尝试使用__getattr__，但是此钩子也适用于字段.我只想拦截方法调用. Python的实现方式是什么?
What is Python's equivalent of Ruby's method_missing method? I tried using __getattr__ but this hook applies to fields too. I only want to intercept the method invocations. What is the Python way to do it?
推荐答案
Python中属性和方法之间没有区别.方法只是一个属性，其类型仅为instancemethod，碰巧可以调用(支持__call__).
There is no difference in Python between properties and methods. A method is just a property, whose type is just instancemethod, that happens to be callable (supports __call__).
如果要实现此目的，您的__getattr__方法应返回一个函数(一个lambda或一个常规的def，无论您需要什么套件)，并可能在调用后进行检查.
If you want to implement this, your __getattr__ method should return a function (a lambda or a regular def, whatever suite your needs) and maybe check something after the call.
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