[tox]
minversion = 3.1.1
envlist = py39,pypy,pep8
skipsdist = True
ignore_basepython_conflict = True

[testenv]
basepython = python3
usedevelop = True
install_command = pip install -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master} {opts} {packages}
setenv =
   VIRTUAL_ENV={envdir}
   PYTHONWARNINGS=default::DeprecationWarning
deps = -r{toxinidir}/test-requirements.txt
commands = stestr run --slowest {posargs}

[testenv:pep8]
commands =
    flake8 {posargs}

[testenv:venv]
commands = {posargs}

[testenv:debug]
commands = oslo_debug_helper {posargs}

[flake8]
# W504 line break after binary operator
show-source = True
ignore = W504
builtins = _
exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build