tox.ini

[tox]

# Test matrix defined as a Bash-interpolated string, where tox implicitly
# expands "py" to "python" and delimits the subsequent two digits with a dot to
# associate each resulting test configuration with the basename of an external
# command running an externally installed Python interpreter.
#
# For example, setting "envlist = py27,py38" produces a test matrix exercising
# the externally installed "python2.7" and "python3.8" commands. See also:
#     https://tox.readthedocs.io/en/latest/config.html#generating-environments-conditional-settings
envlist = py3{5,6,7,8}

# Human-readable string synopsizing the current test configuration.
description = Exercise "{toxinidir}" with "{basepython} -m pytest".

[testenv:venv]
deps =
    .
commands = {posargs}

# Autoformatter
[testenv:black]
basepython = python3
skip_install = true
deps =
    black>=19.3b0
commands =
    black --line-length 100 src/

# Linters
[testenv:flake8]
basepython = python3
skip_install = true
deps =
    flake8
    flake8-bugbear
    flake8-colors
    flake8-docstrings>=1.3.1
    flake8-import-order>=0.9
    flake8-typing-imports>=1.1
    pep8-naming
commands =
    flake8 src/flake8/ tests/ setup.py

    # Flake8 Configuration
[flake8]
# Ignore some flake8-docstrings errors
# NOTE(sigmavirus24): While we're still using flake8 2.x, this ignore line
# defaults to selecting all other errors so we do not need select=E,F,W,I,D
# Once Flake8 3.0 is released and in a good state, we can use both and it will
# work well \o/
max-line-length = 160
ignore = D203, W503, E203, E231, E302
exclude =
    .tox,
    .git,
    __pycache__,
    docs/source/conf.py,
    build,
    dist,
    tests/fixtures/*,
    *.pyc,
    *.egg-info,
    .cache,
    .eggs
max-complexity = 10
import-order-style = google
application-import-names = flake8
format = ${cyan}%(path)s${reset}:${yellow_bold}%(row)d${reset}:${green_bold}%(col)d${reset}: ${red_bold}%(code)s${reset} %(text)s