PEP 621: round 3

Packaging
7

I don’t strongly object to the changes, but agree with Paul that this was extremely unexpected.

My concerns:

  1. We should try to immediately get TOML support in the standard library. Until then, we should recommend a library so installs don’t pull in more than one of toml, tomlkit, etc.

  2. We should be much more explicit regarding the new sdist requirements. For example, backends would have to remove the dynamic field after each entry is made static, right?

  3. That is contrary to what most people say here: Purpose of an sdist

    Question: does pip treat an sdist as something that is installed directly or does it build a wheel from it first? It has been a while since I looked at the code.

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