setup.py

#!/usr/bin/env python
from pathlib import Path
from itertools import chain

from setuptools import setup

try:
    # Recommended for setuptools 61.0.0+
    # (though may disappear in the future)
    from setuptools.config.setupcfg import read_configuration
except ImportError:
    from setuptools.config import read_configuration

################################################################################
# Programmatically generate some extras combos.
################################################################################

extras = read_configuration("setup.cfg")["options"]["extras_require"]
# Dev is everything
extras["dev"] = list(chain(*list(extras.values())))
# All is everything but tests and docs
exclude_keys = ("tests", "docs", "dev")
ex_extras = dict([i for i in list(extras.items()) if i[0] not in exclude_keys])
# Concatenate all the values together for 'all'
extras["all"] = list(chain.from_iterable(list(ex_extras.values())))
setup(
    extras_require=extras,
    use_scm_version={"write_to": Path("drms") / "_version.py"},
)