On Fri, 30 Jul 2021, 2:30 pm Nathaniel Smith, <n...@pobox.com> wrote:
> > > > > For [proxy] versus [snapshot], a lot depends on what we think of > changing the semantics of exec(). [proxy] is definitely more consistent and > elegant, and if we could go back in time I think it's > what we'd have done from the start. Its compatibility is maybe a bit > worse than [snapshot] on non-exec() cases, but this seems pretty minor > overall (it often doesn't matter, and if it does just write > dict(locals()) instead of locals(), like you would in non-function > scope). But the change in exec() semantics is an actual language > change, even though it may not affect much real code, so that's what > stands out for me. > > I *think* (please correct me if I'm wrong) that what that calls > [PEP-minus-tracing] is now corresponds to the current PEP draft, and > [proxy] corresponds to Mark's draft at the beginning of this thread? > At the locals() level, PEP 558 is now [snapshot] (due to your original analysis showing that it was strictly better than what I had at the time), while Mark's draft is indeed [proxy]. Cheers, Nick. > -n > > -- > Nathaniel J. Smith -- https://vorpus.org >
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