setup.py/setup.cfg install all extras

user_6233888 0
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I search for a possibility to 'inherit' other extras in the setup.cfg like so:

[options.extras_require]
all =
    <doc>
    <dev>
    <test>
doc =
    sphinx
dev =
    dvc
    twine  # for publishing
    <test>
test =
    flake8
    pytest
    pytest-cov
    coverage
    pytest-shutil
    pytest-virtualenv
    pytest-fixture-config
    pytest-xdist

I wish to install all extras by running

pip install PACKAGE[all]
setup.py installation setuptools
1 Answers

I believe setuptools uses configparser's BasicInterpolation when parsing the setup.cfg files. So you could use that to your advantage to do something like the following:

[options.extras_require]
all =
    %(doc)s
    %(dev)s
    %(test)s
doc =
    sphinx
dev =
    dvc
    twine  # for publishing
    %(test)s
test =
    flake8
    pytest
    pytest-cov
    coverage
    pytest-shutil
    pytest-virtualenv
    pytest-fixture-config
    pytest-xdist

Build the sdist then look at the *.egg-info/requires.txt file for your project for the result. Since test is included in all twice, once directly and once indirectly via dev, there will be some repetitions in all, but most likely it shouldn't be much of an issue.

Another solution, that theoretically should work with all build back-ends and front-ends is to "self-depend":

[options.extras_require]
all =
    PROJECT[doc]
    PROJECT[dev]
    PROJECT[test]
doc =
    sphinx
dev =
    dvc
    twine  # for publishing
    PROJECT[test]
test =
    flake8
    pytest
    pytest-cov
    coverage
    pytest-shutil
    pytest-virtualenv
    pytest-fixture-config
    pytest-xdist

References:

user_111382590
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