[tox]
envlist = typing,lint,py27,py34,py35,py36,py37,pypy,pypy3,manifest,docs,doctest,pypi-description,changelog,coverage-report


[testenv]
# Prevent random setuptools/pip breakages like
# https://github.com/pypa/setuptools/issues/1042 from breaking our builds.
setenv =
    VIRTUALENV_NO_DOWNLOAD=1
extras = tests
commands = python -m pytest {posargs}


[testenv:py27]
extras = tests
commands = coverage run --parallel -m pytest {posargs}


[testenv:py37]
# Python 3.6+ has a number of compile-time warnings on invalid string escapes.
# PYTHONWARNINGS=d and --no-compile below make them visible during the Tox run.
install_command = pip install --no-compile {opts} {packages}
setenv =
    PYTHONWARNINGS=d
extras = tests
commands = coverage run --parallel -m pytest {posargs}


[testenv:coverage-report]
basepython = python3.7
skip_install = true
deps = coverage
commands =
    coverage combine
    coverage report


[testenv:lint]
basepython = python3.7
skip_install = true
deps = pre-commit
passenv = HOMEPATH  # needed on Windows
commands = pre-commit run --all-files


[testenv:docs]
# RTD only allows for 3.5
basepython = python3.5
extras = docs
commands = sphinx-build -W -b html -d {envtmpdir}/doctrees docs docs/_build/html


[testenv:doctest]
# We need up to date Python versions for our doctests.
basepython = python3.7
extras = docs
commands =
    sphinx-build -W -b doctest -d {envtmpdir}/doctrees docs docs/_build/html
    python -m doctest README.rst


[testenv:manifest]
basepython = python3.7
deps = check-manifest
skip_install = true
commands = check-manifest


[testenv:pypi-description]
basepython = python3.7
skip_install = true
deps =
    twine
    pip >= 18.0.0
commands =
    pip wheel -w {envtmpdir}/build --no-deps .
    twine check {envtmpdir}/build/*


[testenv:changelog]
basepython = python3.7
deps = towncrier
skip_install = true
commands = towncrier --draft


[testenv:typing]
basepython = python3.7
deps = mypy
commands = mypy tests/typing_example.py