[Distutils] PEP 470, round 4 - Using Multi Repository Support for External to PyPI Package File Hosting

Paul Moore p.f.moore at gmail.com
Fri Oct 3 16:44:22 CEST 2014

On 3 October 2014 15:29, Wichert Akkerman <wichert at wiggy.net> wrote:
>> On 03 Oct 2014, at 16:24, Nick Coghlan <ncoghlan at gmail.com> wrote:
>> 2. Easily allow package authors to tell PyPI "my releases are hosted
>> <here>" and have that advertised in such a way that tools can clearly
>> communicate it to users, without silently introducing unexpected
>> dependencies on third party services.
> I  haven’t read the PEP, so this might be a stupid remark, but: is that needed, when a package author can also say something like “add my repository to your system with pip —add-repository <url>” ?

The logic is that if I say

    pip install foo

and foo is not hosted on PyPI, I get an error saying "cannot find
foo". The quoted point is saying that we want a way for the author of
foo to add metadata to PyPI that lets pip give a more helpful message:

    pip install foo
    ERROR: No downloads for package 'foo' found.
    foo is hosted at the following repositoties:
        Main repository - http://foo.example.com/simple/
        Windows wheels - http://wheels.foo.example.com/simple/
    Use --index-url to specify the repository you wish to use.

(Or something like that...)


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