On Tue, May 5, 2020 at 10:08 PM Steven D'Aprano <st...@pearwood.info> wrote:
>
> On Tue, May 05, 2020 at 04:05:20AM -0000, Brandt Bucher wrote:
> > It's a fairly common idiom to just collect `locals()` on the first
> > line of a function or method with lots of arguments
>
> Indeed, but it's that requirement that it must be precisely on the first
> executable statement of the function that makes it fragile.
>
Particularly sneaky is this problem:
def __init__(self, x, y, z, a, b, c):
stuff = locals()
spam = "ham"
# what's in stuff now?
Does stuff["stuff"] have a value? What about stuff["spam"] ? You can't be sure.
ChrisA
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