novaBBS - comp.lang.python - Re: Introspecting the variable bound to a function argument

Re: Introspecting the variable bound to a function argument

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From: bar...@barrys-emacs.org (Barry)
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Subject: Re: Introspecting the variable bound to a function argument
Date: Wed, 22 Feb 2023 17:21:49 +0000
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by: Barry - Wed, 22 Feb 2023 17:21 UTC

please do not use an email address on a public list that cannot be replied to.

> On 22 Feb 2023, at 14:43, Anton Shepelev <anton.txt@g{oogle}mail.com> wrote:
>
> Hello, all.
>
> Does Python have an instrospection facility that can
> determine to which outer variable a function argument is
> bound, e.g.:

There is no requirement for a variable to be used in the call.
It could be an an int or string, 42 “forty two”.

>
> v1 = 5;
> v2 = 5;
>
> def f(a):
> print(black_magic(a)) # or black_magic('a')
>
> f(v1) # prints: v1
> f(v2) # prints: v2

There is the traceback module that lets you find where you are called from.
Also there is the inspect module that also lets tou get at the stack in more detail.

Barry

>
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devel / comp.lang.python / Re: Introspecting the variable bound to a function argument

Subject	Author
Re: Introspecting the variable bound to a function argument	Barry