On Wed, Jun 28, 2017, at 06:07 PM, Daniel Holth wrote:

- Flit has a PR with a prototype backend implementation, though it's not up to date with all the changes the PEP has undergone. I'll update it when we've agreed on a spec - it's still a fast moving target right now.

- I have a prototype module frontends could use to call hooks here: https://github.com/takluyver/pep517 . It's mostly up to date, except for the issue with using sdist as a fallback for copying files for a wheel.

Re: magic strings - like Nathaniel said, I haven't noticed them as part of any proposal so far.

Thomas