We said "you won't have to install setuptools" but actually "you don't have to use it" is good enough. If you had 2 pkg-resources implementations running you might wind up scanning sys.path extra times...
On Wed, Oct 18, 2017, 20:53 Nick Coghlan <ncogh...@gmail.com> wrote: > On 19 October 2017 at 04:18, Alex Grönholm <alex.gronh...@nextday.fi> > wrote: > >> Daniel Holth kirjoitti 18.10.2017 klo 21:06: >> >> >> http://setuptools.readthedocs.io/en/latest/formats.html?highlight=entry_points.txt#entry-points-txt-entry-point-plugin-metadata >> >> >> http://setuptools.readthedocs.io/en/latest/pkg_resources.html?highlight=pkg_resources#creating-and-parsing >> >> It is not very complicated. It looks like the characters are mostly >> 'python identifier' rules with a little bit of 'package name' rules. >> >> I am also concerned about the amount of parsing on startup. A hard >> problem for certain, since no one likes outdated cache problems either. It >> is also unpleasant to have too much code with a runtime dependency on >> 'packaging'. >> >> Wasn't someone working on implementing pkg_resources in the standard >> library at some point? >> > > The idea has been raised, but we've been hesitant for the same reason > we're inclined to take distutils out: packaging APIs need to be free to > evolve in line with packaging interoperability standards, rather than with > the Python language definition. > > Barry Warsaw & Brett Cannon recently mentioned something to me about > working on a potential runtime alternative to pkg_resources that could be > installed without also installing setuptools, but I don't know any of the > specifics (and I'm not sure either of them follows distutils-sig). > > Cheers, > Nick. > > -- > Nick Coghlan | ncogh...@gmail.com | Brisbane, Australia > _______________________________________________ > Distutils-SIG maillist - Distutils-SIG@python.org > https://mail.python.org/mailman/listinfo/distutils-sig >
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