> What is the annoyance? What is different between frozen and not frozen?
One interesting consequence of what Eric mentioned (They have a different loader and repr. Also, frozen modules do not have __file__ set (and __path__ is always []).) is that frozen modules don't have a `__file__` attribute IIRC and therefore tracebacks won't include the source. On Mon, 27 Sept 2021 at 22:31, Victor Stinner <vstin...@python.org> wrote: > Hi Eric, > > Which stdlib modules are currently frozen? If I really want to hack > site.py or os.py for whatever reason, I just have to use "python3 -X > frozen_modules=off"? > > > 1. always default to "on" (the annoyance for contributors isn't big > enough?) > > What is the annoyance? What is different between frozen and not frozen? > > Victor > > On Mon, Sep 27, 2021 at 6:58 PM Eric Snow <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? > > > > -eric > > > > > > [1] https://bugs.python.org/issue45020 > > [2] FWIW, we may end up also freezing the modules imported for "python > > -m ...", along with some other commonly used modules (like argparse). > > That is a separate discussion. > > _______________________________________________ > > Python-Dev mailing list -- python-dev@python.org > > To unsubscribe send an email to python-dev-le...@python.org > > https://mail.python.org/mailman3/lists/python-dev.python.org/ > > Message archived at > https://mail.python.org/archives/list/python-dev@python.org/message/4ESW3NNOX43DRFKLEW3IMDXDKPDMNRGR/ > > Code of Conduct: http://python.org/psf/codeofconduct/ > > > > -- > Night gathers, and now my watch begins. It shall not end until my death. > _______________________________________________ > Python-Dev mailing list -- python-dev@python.org > To unsubscribe send an email to python-dev-le...@python.org > https://mail.python.org/mailman3/lists/python-dev.python.org/ > Message archived at > https://mail.python.org/archives/list/python-dev@python.org/message/CLODS7B5Z3UEZTQ7QIALG2DWB4H37EWP/ > Code of Conduct: http://python.org/psf/codeofconduct/ >
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