Init the cooperative command-line interface

tox.ini

@@ -0,0 +1,89 @@
+[tox]
+envlist =
+    {py36,py37,py38}
+    lint
+    sort
+    format
+    type
+    docs
+    changelog
+    metadata-release
+skip_missing_interpreters = True
+isolated_build = True
+
+[testenv]
+description = run the unit tests
+deps =
+  pytest
+  pytest-cov
+  pytest-mock
+commands = pytest test/ --cov={toxinidir}/autonomic/ --no-cov-on-fail {posargs}
+
+[testenv:lint]
+description = lint the source
+skipdist = True
+deps = flake8
+commands = flake8 {posargs} autonomic/ test/
+
+[testenv:sort]
+description = sort the source
+skipdist = True
+deps = isort
+commands = isort {posargs:-rc -c} -sp setup.cfg autonomic/ test/
+
+[testenv:format]
+description = format the source
+skipdist = True
+basepython = python3.8
+deps = black
+commands = black {posargs:--check} autonomic/ test/
+
+[testenv:type]
+description = type check the source
+basepython = python3.8
+skipdist = True
+deps = mypy
+commands = mypy autonomic/ test/
+
+[testenv:docs]
+description = build the documentation
+skipdist = True
+deps =
+  sphinx
+  sphinx_rtd_theme
+commands = python -m setup build_sphinx
+
+[testenv:docs-livereload]
+description = invoke sphinx-autobuild to build and reload the documentation
+commands = python -m sphinx_autobuild docs/source docs/build
+deps = sphinx-autobuild>=0.7.1,<1.0
+extras = docs
+
+[testenv:changelog]
+description = draw up the new changelog
+skipdist = True
+passenv = VERSION
+deps = towncrier
+commands = towncrier --version={env:VERSION} {posargs}
+
+[testenv:metadata-release]
+description = validate the package metadata
+deps = twine
+commands =
+  rm -rf {toxworkdir}/dist
+  python -m setup sdist --dist-dir {toxworkdir}/dist bdist_wheel
+  python -m setup sdist --dist-dir {toxworkdir}/dist bdist_egg
+  twine check {toxworkdir}/dist/*
+whitelist_externals =
+    rm
+
+[testenv:release]
+description = make a release
+deps = {[testenv:metadata-release]deps}
+commands =
+    rm -rf {toxworkdir}/dist
+    python -m setup sdist --dist-dir {toxworkdir}/dist bdist_wheel
+    python -m setup sdist --dist-dir {toxworkdir}/dist bdist_egg
+    twine upload {toxworkdir}/dist/*
+whitelist_externals =
+    rm