> By way of example, here's a project that's completely PEP 517 and PEP 518 compatible without needing a setup.py or setup.cfg[2]. Everything goes through pypro

> By way of example, here's a project that's completely PEP 517 and PEP 518 compatible without needing a setup.py or setup.cfg[2]. Everything goes through pyproject.toml. Using pyproject.toml with pip / flit still has many rough edges such as pip being unable to install deps locally for development or not generating lock files. Poetry is way more mature IMO.