> On 28 Sep 2021, at 10:05, Antoine Pitrou <anto...@python.org> wrote: > > On Mon, 27 Sep 2021 10:51:43 -0600 > Eric Snow <ericsnowcurren...@gmail.com <mailto:ericsnowcurren...@gmail.com>> > wrote: >> We've frozen most of the stdlib modules imported during "python -c >> pass" [1][2], to make startup a bit faster. Import of those modules >> is controlled by "-X frozen_modules=[on|off]". Currently it defaults >> to "off" but we'd like to default to "on". The blocker is the impact >> on contributors. I expect many will make changes to a stdlib module >> and then puzzle over why those changes aren't getting used. That's an >> annoyance we can avoid, which is the point of this thread. >> >> Possible solutions: >> >> 1. always default to "on" (the annoyance for contributors isn't big enough?) >> 2. default to "on" if it's a PGO build (and "off" otherwise) >> 3. default to "on" unless running from the source tree >> >> Thoughts? > > My vote is on #3 to minimize contributor annoyance and > eventual puzzlement.
I agree, but… Most CPython tests are run while running from the source tree, that means that there will have to be testrunner configurations that run with “-X frozen_modules=on”. Ronald — Twitter / micro.blog: @ronaldoussoren Blog: https://blog.ronaldoussoren.net/
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