On Sat, May 27, 2017 at 12:59 PM, Steve D'Aprano
<steve+pyt...@pearwood.info> wrote:
>> What is a standards-compliant Python interpreter allowed to do?
>
> There's no such thing, so your question is moot.
>
> There is no Python standard. There's only:
>
> - do what CPython does;
>
> - do what the documentation says;
>
> - if they disagree, or don't say, ask Guido;
>
> - if he doesn't answer, or doesn't care, do what you like.
>
Really? Then how come other Python implementations can be deemed to be
"correct" or "incorrect"? There *is* a Python standard, even if it's a
bit ad-hoc and informal. Often the standard isn't "codified" until
some other implementation actually asks the question ("CPython does
this, but is that required?"), but the conceptual standard does exist.
ChrisA
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