[tox]
envlist = coverage-clean,py2.7,py3.4,py3.5,py3.6,py3.7,py3.8,py3.9,pypy2.7,pypy3.7,{py2.7,py3.9}-nooptionals,coverage-report,flake8,isort


[base]
deps =
    coverage
    pytest
; Python 3.4 fails if using 21.1.0.
    attrs!=21.1.0

[testenv:py2.7]
deps =
    {[base]deps}
    futures

[testenv:pypy2.7]
deps =
    {[base]deps}
    futures

[testenv]
deps =
    {[base]deps}
    {py2.7,py3.7,pypy2.7,pypy3.7}: twisted
    {py3.7,pypy3.7}: asgiref
commands = coverage run --parallel -m pytest {posargs}

; Ensure test suite passes if no optional dependencies are present.
[testenv:py2.7-nooptionals]
deps = 
    {[base]deps}
    futures
commands = coverage run --parallel -m pytest {posargs}

[testenv:py3.9-nooptionals]
commands = coverage run --parallel -m pytest {posargs}

[testenv:coverage-clean]
deps = coverage
skip_install = true
commands = coverage erase


[testenv:coverage-report]
deps = coverage
skip_install = true
commands =
    coverage combine
    coverage report


[testenv:flake8]
deps =
    flake8==3.7.8
    flake8-docstrings==1.5.0
    flake8-import-order==0.18.1
skip_install = true
commands =
    flake8 prometheus_client/ tests/ setup.py

[testenv:isort]
deps =
    isort==5.5.4
skip_install = true
commands =
    isort --check prometheus_client/ tests/ setup.py

[flake8]
ignore =
    D,
    E303,
    E402,
    E501,
    E722,
    E741,
    F821,
    F841,
    W291,
    W293,
    W503,
    E129,
    E731

import-order-style = google
application-import-names = prometheus_client


[isort]
force_alphabetical_sort_within_sections = True
force_sort_within_sections = True
include_trailing_comma = True
multi_line_output = 5