On 9/28/2021 9:10 AM, Antoine Pitrou wrote:
On Tue, 28 Sep 2021 08:55:05 -0400
"Eric V. Smith" <e...@trueblade.com> wrote:
So I prefer to teach everybody how to use "-X frozen_modules=off" if
they want to hack the stdlib for their greatest pleasure. I prefer
that such special use case requires an opt-in option, the special use
case is not special enough to be the default.
I agree with Victor here: I'd rather have #1.
As a compromise, how about go with #1, but print a warning if python
detects that it's not built with optimizations or is run from a source
tree (the conditions in #2 and #3)? The warning could suggest running
with "-X frozen_modules=off". I realize that it will probably be ignored
over time, but maybe it will provide enough of a reminder if someone is
debugging and sees the warning.
What would be the point of printing a warning instead of doing just
what the user is expecting?
To me, the point would be to get the same behavior no matter which
python executable I run, and without regard to where I run it from.
Eric
Freezing the stdlib is a startup performance optimization. It doesn't
need to be turned on when hacking on the Python source code... And
having to type "-X frozen_modules=off" is much more of a nuisance than
losing 10 ms in startup time (which you won't even notice in most
cases).
Regards
Antoine.
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