On Wed, Aug 15, 2012 at 8:49 AM, Daniel Holth <dho...@gmail.com> wrote: > I've drafted some edits to Metadata 1.2 with valuable feedback from > distutils-sig (special thanks to Erik Bray), which seems to have no > more comments on the issue after about 6 weeks. Let me know if you > have an opinion, or if you will have one during some bounded time in > the future. > > Metadata 1.2 (PEP 345), a non-final PEP that has been adopted by > approximately 10 of the latest sdists from pypy, cannot represent the > setuptools "extras" (optional dependencies) feature. This is a problem > because about 1600+ or 10% of the packages hosted on pypy define > "extras" as measured in May of this year. > > The edit implements the extras feature by adding a new condition > "extra == 'name'" to the Metadata 1.2 environment markers. > Requirements with this marker are only installed when the named > optional feature is requested. Valid extras for a package must be > declared with Provides-Extra: name. > > It also adds Setup-Requires-Dist as a way to specify requirements > needed during an install as opposed to during runtime. > > > Abbreviated highlights: > > Setup-Requires-Dist (multiple use) > > Like Requires-Dist, but names dependencies needed while the > distributions's distutils / packaging `setup.py` / `setup.cfg` is run. > > > Provides-Extra (multiple use) > > A string containing the name of an optional feature. > > Examples: > > Requires-Dist: reportlab; extra == 'pdf' > > Requires-Dist: nose; extra == 'test' > > Requires-Dist: sphinx; extra == 'doc' > > > (full changeset on > https://bitbucket.org/dholth/python-peps/changeset/537e83bd4068)
s/pypy/PyPI/ -eric _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
