Find follow-up way to generate pip-packages

[gituser789]

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Find follow-up way to generate pip-packages

[JonasHoelscher]

It seems setuptools with a setup.py is deprecated. There are now 2 possibilities:

1. Hotfix:
   You can get rid of the warning using an older version of setuptools. The following worked for me:
   python.exe -m pip install --upgrade pip
pip install --upgrade pip setuptools wheel
   -> This updates it to the newest version which then throws a similar exception:

SetuptoolsDeprecationWarning: setup.py install is deprecated. Use build and pip and other standards-based tools.

Then it can be downgraded to 58.2.0:
pip install setuptools==58.2.0

Maybe you can diretly downgrade it to 58.2.0, but I haven't tested this on my system.

2. Use the new format
   It seems that from now on the setup.py is not longer needed. There is a different file called pyproject.toml which must be created. More information in the following links:

• https://packaging.python.org/en/latest/tutorials/packaging-projects/
• https://setuptools.pypa.io/en/latest/userguide/pyproject_config.html
• https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html#summary