> On May 29, 2017, at 3:05 AM, Nathaniel Smith <n...@pobox.com> wrote:
>
> {package-name}.dist-info might also be reasonable, both here and in
> actual installs...
>
> In general get_wheel_metadata is an optimization for the backtracking
> resolver (that doesn't exist yet) to more efficiently handle cases
> where there are complex constraints and no built wheels (both of which
> we hope will be rare). Robert thinks it's very important, and he knows
> more about that bit of the code than I do, but if it becomes an issue
> we could even defer get_wheel_metadata to a future PEP.
I’d have to think about just {package-name}.dist-info. That would work in the
install case (though that would require a whole other PEP so not super relevant
to this PEP). The ultimate question is, when pip goes looking for this
directory, does it know what it’s looking for or not. If it doesn’t know what
it’s looking for, then it has to resort to looking for everything that matches
a pattern, and if more than one thing matches said pattern, it has no idea
which one it is supposed to use, and it just has to error out.
Perhaps either just using DIST-INFO today, and if we ever support multiple
wheels from a single sdist expose a new API that can handle multiple
directories and returns the name of said directories. The other option would be
to modify get_wheel_data so it returns the name of the dist-info directory that
was created, so pip knows what directory it needs to look for.
We’re hopefully going to get a resolver over this summer, we have a GSoC
student who is working on just that.
—
Donald Stufft
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