Custom setuptools command for black formatting tool (see https://github.com/ambv/black).

This package adds the format command to setuptools, which uses black to reformat code:

> python setup.py format
running format
All done! ✨ 🍰 ✨
5 files left unchanged

You may also use customize the build command to enforce format validation at build time. Build will fail if there's any formatting error.

In your setup.py:

import setuptools_black
...
setuptools.setup(
...
    cmdclass={
        "build": setuptools_black.BuildCommand,
    },
...
)

Note

You'll have to install setuptools-black first, as setup_requires can't be used to install a package which must be imported by setup.py itself...