[tox]
minversion = 3.18.0
envlist = pep8
skipsdist = True
ignore_basepython_conflict = True

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

[testenv:pep8]
commands =
  flake8

[testenv:venv]
commands = {posargs}

[flake8]
# H106: Don't put vim configuration in source files
# H203: Use assertIs(Not)None to check for None
# H204: Use assert(Not)Equal to check for equality
# H205: Use assert(Greater|Less)(Equal) for comparison
# H904: Delay string interpolations at logging calls
enable-extensions = H106,H203,H204,H205,H904
# H405: multi line docstring summary not separated with an empty line
# W504: line break after binary operator
ignore = H405,W504
show-source = true
exclude = ./.*,build,dist,doc,*egg*,releasenotes
import-order-style = pep8