[Distutils] PEP 426 updated based on last round of discussion
oscar.j.benjamin at gmail.com
Wed Jul 17 13:45:37 CEST 2013
On 17 July 2013 12:10, Paul Moore <p.f.moore at gmail.com> wrote:
> I can't imagine it's practical to auto-install a C compiler
> - or even to check for one before building.
> But I can see it being useful for
> introspection purposes to know about this type of requirement. (A C compiler
> could be necessary, or optional for speedups, a particular external library
> could be needed, etc)
Perhaps instead the installer tool would give you a way to clarify
that you do have a C compiler and to warn if not.
Alternatively a meta-package could be used to indicate (when
installed) that a compatible C-compiler is available and then other
distributions could depend on it for building.
> The data would likely only be as good as what project developers provide,
> but nevertheless having standard places to record the data could encourage
> doing so...
> OTOH, maybe this is metadata 3.0 stuff - I feel like at the moment we need
> to get what we have now out of the door rather than continually adding extra
I wasn't proposing to hold anything up or add new capabilities. I'm
just trying to see how far these changes go towards making non-pure
Python software automatically installable. Everything I would want to
build "build requires" software that is not on pypi.
It would be great if e.g. the instructions for installing Cython on
Windows could just be "pip install cython" instead of this:
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