On Wed, Oct 21, 2015 at 5:52 PM David Cournapeau <courn...@gmail.com> wrote:
> On Wed, Oct 21, 2015 at 10:25 PM, Antoine Pitrou <solip...@pitrou.net> > wrote: > >> On Wed, 21 Oct 2015 21:41:35 +0100 >> Paul Moore <p.f.mo...@gmail.com> wrote: >> > On 21 October 2015 at 20:41, Chris Barker <chris.bar...@noaa.gov> >> wrote: >> > > As I understand it, the current "API" that pip knows about is: >> > > >> > > "some subset of what setuptools provides" >> > > >> > > So my proposal is here is to provide a way for users to easily use >> jsut that >> > > subset. >> > >> > >> https://pip.pypa.io/en/stable/reference/pip_install/#build-system-interface >> > >> > All you need to do is write a setup.py, which can do *anything you >> > like*, >> >> Reading this, the CLI options which have to be implemented are >> completely tied to setuptools' own view of the world. >> `--single-version-externally-managed`? `--install-headers`? Why should >> a random build system care about that gunk? What should it do with it? >> > > I agree it is not ideal, but it is not *that* hard. Regarding > `--single-version-externally-managed`, if you don't care about setuptools > interoperability, I believe it is safe to just ignore the flag (or more > exactly do like what distutils does, that is installed directly in > site-packages, and make `--single-version-externally-managed` a no-op). > install_headers, I am not sure how many projects depend on that. The only > projects I know that install headers (numpy, etc...) are not using the > setuptools mechanism. > > If that's deemed useful, I could write a simple implementation that does > not use distutils/setuptools but support that interface as an example (I > have something similar enough times that I unfortunately know the ropes :) ) > Also, it's no longer necessary to implement 'setup.py install' at all; you can just implement bdist_wheel and pip will go from there. Of course if pip can beat us to a better interface that would be great too, but a setup.py shim would be a fun little project that someone could do alone.
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