I can envision a world where we migrate to space-separated everywhere, but I think that would involve a decade of consumers supporting both until everyone updates to a version of setuptools that emits spaces and I'm not sure it's worth it.
Was anyone on the list involved with the decision to use spaces in the spec? Is there some compelling reason we're missing to make the switch? On November 18, 2019 1:07:50 PM UTC, Thomas Kluyver <tho...@kluyver.me.uk> wrote: >Hi all, > >The metadata specification shows the keyword field as a space separated >list: >https://packaging.python.org/specifications/core-metadata/#keywords > >PEP 566 backs that up, saying that the transformation to JSON should >split that field on whitespace: >https://www.python.org/dev/peps/pep-0566/#json-compatible-metadata > >However, distutils reads and writes that field as a comma separated >list: >https://github.com/python/cpython/blob/5383956583bb758f3828513bcdd011871f24a0e8/Lib/distutils/dist.py#L1096-L1097 >https://github.com/python/cpython/blob/5383956583bb758f3828513bcdd011871f24a0e8/Lib/distutils/dist.py#L1141-L1143 > >And setuptools has inherited that: >https://github.com/pypa/setuptools/blob/68dbb703705cdd64e25261a6fcc1c0cc96bcf431/setuptools/dist.py#L108-L109 >https://github.com/pypa/setuptools/blob/68dbb703705cdd64e25261a6fcc1c0cc96bcf431/setuptools/dist.py#L170-L172 > >Given the dominance of distutils and setuptools, and the difficulty of >changing distutils, I suspect it's easier to change the spec to adopt >their de-facto standard as the official standard. But I'd like >confirmation of this, as it will require some changes in Flit. > >The comma-separated format allows keywords containing a space - like >'orbital mechanics' in the example I was investigating (poliastro). > >Thanks, >Thomas >-- >Distutils-SIG mailing list -- distutils-sig@python.org >To unsubscribe send an email to distutils-sig-le...@python.org >https://mail.python.org/mailman3/lists/distutils-sig.python.org/ >Message archived at >https://mail.python.org/archives/list/distutils-sig@python.org/message/LFTLGMIIB5PRG7NUUIGGGX4COGX53DMR/
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