[Distutils] Fwd: Re: PEP 517 again

[xoviat]

---------- Forwarded message ----------
From: "xoviat" <xoviat at gmail.com>
Date: Aug 24, 2017 8:39 AM
Subject: Re: [Distutils] PEP 517 again
To: "Thomas Kluyver" <thomas at kluyver.me.uk>
Cc:

That's actually the general argument against exceptions and why golang
doesn't have them. I have not seen notimplemented used in the wild ever
though.

Also, regarding the build_dir argument, it won't be used in pip. The pip
devs may have said that but it's too much work to support now and most of
them seem to have a shortage of time. Pip will be copying to a temporary
directory for a long time.

On Aug 24, 2017 8:28 AM, "Thomas Kluyver" <thomas at kluyver.me.uk> wrote:

> On Thu, Aug 24, 2017, at 02:21 PM, xoviat wrote:
>
> I mean is this golang or Python? In Python, you raise notimplementederror.
>
>
> But there's a NotImplemented singleton in Python as well. The argument for
> using a return value is that the hook code has to deliberately return that,
> whereas a NotImplementedError could bubble up from some internal call, in
> which case it should really be registered as an error.
>
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