It is not deprecated. Calling setup.py directly is (i.e., `python setup.py sdist`) Modern way of building a package is to use a build frontend. Most notably is

It is not deprecated. Calling setup.py directly is (i.e., `python setup.py sdist`) Modern way of building a package is to use a build frontend. Most notably is the PyPA's build package. python -m build . Most project managers like poetry has this built-in with it's `poetry build` command.