On 12 Oct 2014 22:36, "Paul Moore" <p.f.mo...@gmail.com> wrote: > > On 12 October 2014 13:04, Nick Coghlan <ncogh...@gmail.com> wrote: > >>> Any thoughts on how I could do this? > >> > >> I don't know of any current way to do it, and even the more flexible > >> extras notation in PEP 426 doesn't quite get you there. > >> > >> The closest it currently allows is "pip install myproj[-,core]". The > >> "-" disables installing the default dependencies, but it *also* > >> disables installing the distribution itself. > > > > On second thoughts, I think PEP 426 does already cover this, by > > letting you write "pip install myproj[-:meta:,-:run:,core]". That > > would turn off the normal "meta_requires" and "run_requires" > > processing, and just install the dependencies for the "core" extra > > instead (which would then presumably be a subset of the normal > > run_requires). > > > > You'd need to specify your core dependencies in two places (once in > > run_requires and once for the core extra), but having setup.py as an > > executable format copes with that OK. > > Thanks, that looks good enough for my needs. I must admit to not > having really investigated this part of PEP 426, so thanks for the > pointer. I'll go and do some reading.
I don't think anyone other than me has really thought about it too much at this point - it's one of the areas in need of review and a draft reference implementation before the PEP could realistically be accepted. > All I need to do now is wait for PEP 426 to get accepted, and a > version of pip with support for it to be released :-) But I don't > really mind ignoring the issue for now, until that happens. It's not > like the project is even fully written yet... I think there's plenty of good upgrades on the agenda for pip 6 already, so I'll be nudging folks to start looking more closely at PEP 426 on the road to pip 7 :) Cheers, Nick. > > Paul
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