Bulk Adding Methods Pythonically

[Lawrence D’Oliveiro]

On Thursday, June 16, 2016 at 5:37:14 AM UTC+12, Rob Gaddi wrote:
> I've got a whole lot of methods I want to add to my Channel class, all
> of which following nearly the same form.  The below code works, but
> having to do the for loop outside of the main class definition feels
> kludgey.

No, that’s fine. Table-driven programming is a good technique, and I’ve done this sort of thing myself.

> for fnname, measparam in (
> ...
>     def measmaker(p):

Since this function makes no direct reference to “fnname” or “measparam”, why not move the definition to before the loop so it gets executed just once?

>         def inner(self, cursorarea=False):
> ...
>         return inner

And there, ladies and gentlemen, you see the benefits of functions as first-class objects. :)

>     setattr(Channel, fnname, measmaker(measparam))

I would follow the loop with a “del fnname, measparam, measmaker", just to avoid polluting your module namespace with leftover debris.