Question

这是我的另一个问题(python闭门会议 + oop)。在对该问题的答复中,温斯顿·埃沃特建议我使用<代码>functools.partial而不是型。methType。

So now my question is: what s the difference between the two? Why is the functool way considered better?

页: 1 我手提设法使用假装。部分关闭我,确实感到冷却。

Answer 1

From a practical stand point, there isn t a whole lot of difference. Partial will curry any number of arguments (in this case, 1); an instancemethod will pass the self instance (whatever that happens to be) to the wrapped function; They re doing the same thing!

The difference is that they somewhat document themselves; In your linked question; the closure callable isn t a method of anything; it s a regular function, returned by a method of A; It happens that the body sees an instance of B as the first argument; but that s not enough to make it a "method" of B.

因此,它只是一个风格的问题。你回过头做一些更像<代码>unctools.partial<>/code>的东西,因此,你应当使用,即使你能够以<代码”类型取得同样的效果。方法说明

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