[Distutils] PEP 517 again
xoviat at gmail.com
Tue Aug 29 15:30:32 EDT 2017
> For me, using NotImplemented is a misuse of the singleton since I know
what it's meant to be used for (and so I cringe every time I hear it
brought up as a solution).
I hate to reiterate too much, but I think that you are correct here:
NotImplemented is not Pythonic. It's a complete hack that I would think
people would like to quarantine to the limited use case of binary
operations. Even with the poorly contextualized email that Guido received,
I think it was clear that he thought it wasn't appropriate outside of that
use case either (I don't think better context would have changed that).
Personally, I was willing to overlook that for the sake of a speedy
resolution. But reading the email chain, it seems that only Thomas and
Daniel are currently in favor of using NotImplemented, which is a shift
from the earlier situation. So now it seems that NotImplemented is not
likely to be used.
2017-08-29 14:07 GMT-05:00 Paul Moore <p.f.moore at gmail.com>:
> On 29 August 2017 at 19:45, Chris Barker <chris.barker at noaa.gov> wrote:
> > But it would be nice if packages didn't NEED to be pip installed -- but I
> > think that's an issue with the wheel spec (that may well be solved).
> Wheels don't need pip to install them - the spec has always been clear
> on how to "manually" install a wheel (unzip it and move a few things
> around), and the wheel package itself has a simple "wheel install"
> If you want to create wrapper scripts for entry points, you need to do
> a bit more work, but distlib offers that functionality (that's what
> pip uses).
> One point about PEP 517 is that it provides a standard way to ask
> *any* build system to make a wheel. So it's in theory possible to
> install any package without pip (of course, if you try to handle all
> the various corner cases, extra quirks, etc that come up in the real
> world, you end up reinventing pip ;-)).
> Distutils-SIG maillist - Distutils-SIG at python.org
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