[Python-Dev] Re: PEP 654 except* formatting

2021年10月03日 13:09:49 -0700

> On 3 Oct 2021, at 20:11, MRAB <[email protected]> wrote:
> 
> On 2021年10月03日 18:50, Brandt Bucher wrote:
>> Łukasz Langa wrote:
>>> My idea is this:
>>> try:
>>> ...
>>> except group E as e:
>>> ...
>>> except group E1, T2 as e:
>>> ...
>>> Should be doable given the magical match-case contextual keywords 
>>> precedent. This looks nice and is explicit, since you will always get an 
>>> ExceptionGroup instance under `e`.
>> Heh, we crossed posts with the soft keywords. I like your idea ("except 
>> group") better than mine ("except each").
>> If we want to use an existing keyword instead of a soft keyword, how
> about "except in E as e:".
> 
> The disadvantage, as I see it, from a linguistic point of view, is that 
> "except in" could be read as "excluding", but, then, so could "except each" 
> ("excluding each of these") and "except group" ("excluding this group").
If you're thinking that, then doesn't "except KeyError" mean "everything except 
for KeyErrors"? I don't see the problem.
- Ł

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