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A pyproject.toml Tutorial

In starting a new Python module for mucking around with the Feedbin API, I wanted to modernize a little and update to the latest Python practices for packaging. In particular, I’d been hearing a bit about pyproject.toml as the way to configure Python build tools. Rogier van der Greer has an excellent overview:

About three years ago I wrote a blog post about using setup.py to set up your python projects. Since then a lot has changed, mostly due to PEP 517, PEP 518 and the introduction of the pyproject.toml file.

The goal of this file is to allow you to define what build tools are needed in order to build your package – no longer assuming it must be Setuptools. This makes it easier to use alternatives to Setuptools, which means that Setuptools does no longer have to be the one build tool that can do everything.

Nevertheless, I like the feature set of Setuptools, and would like to continue to use it in the foreseeable future. But while documentation for using for example Poetry or Flit together with a pyproject.toml is easy to find, it is more difficult to find similar documentation for Setuptools. So let me help you out.

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