[Distutils] RFC: PEP 566 - Metadata for Python Software Packages 1.3

[Donald Stufft]

> On Dec 5, 2017, at 4:02 PM, Nathaniel Smith <njs at pobox.com> wrote:
> 
> I haven't followed this so sorry if this is an annoying comment, but having read this description I still don't really understand what Provides-Extra is doing. Don't packages already include extra information? What problem motivated this?


I’m pretty sure this field is literally what wheel already does. https://packaging.python.org/specifications/core-metadata/#provides-extra-optional-multiple-use <https://packaging.python.org/specifications/core-metadata/#provides-extra-optional-multiple-use>
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