[build-system]

build-backend = "mesonpy"

requires = [

"meson-python >= 0.18.0",

"pybind11 >= 2.13.2, != 2.13.3",

]

[project]

authors = [

{name = "Ian Thomas", email = "ianthomas23@gmail.com"},

]

classifiers = [

"Development Status :: 5 - Production/Stable",

"Intended Audience :: Developers",

"Intended Audience :: Science/Research",

"Programming Language :: C++",

"Programming Language :: Python :: 3",

"Programming Language :: Python :: 3.12",

"Programming Language :: Python :: 3.13",

"Programming Language :: Python :: 3.14",

"Programming Language :: Python :: 3.15",

"Topic :: Scientific/Engineering :: Information Analysis",

"Topic :: Scientific/Engineering :: Mathematics",

"Topic :: Scientific/Engineering :: Visualization",

]

dependencies = [

"numpy >= 2.0",

]

description = "Python library for calculating contours of 2D quadrilateral grids"

dynamic = ["version"]

license = "BSD-3-Clause"

license-files= ["LICENSE"]

name = "contourpy"

readme = "README_simple.md"

requires-python = ">= 3.12"

[project.optional-dependencies]

docs = [

"myst-parser",

"sphinx",

"sphinx-book-theme",

"sphinx-copybutton",

]

bokeh = [

# Optional dependencies to support use of bokeh renderer.

# Also needs chrome/chromium and chromedriver for export to PNG/SVG/buffer.

"bokeh",

"selenium",

]

mypy = [

# Requirements to run mypy to check type annotations.

"contourpy[bokeh,docs]",

"bokeh",

"docutils-stubs",

"mypy == 2.1.0",

"types-Pillow",

]

test = [

# Standard test dependencies.

"contourpy[test-no-images]",

"matplotlib",

"pre-commit",

"Pillow",

]

test-no-images = [

# Dependencies to run tests excluding image-generating tests.

"pytest",

"pytest-cov",

"pytest-rerunfailures < 16",

"pytest-xdist",

"wurlitzer",

]

[project.urls]

Homepage = "https://github.com/contourpy/contourpy"

Changelog = "https://contourpy.readthedocs.io/en/latest/changelog.html"

Documentation = "https://contourpy.readthedocs.io"

Repository = "https://github.com/contourpy/contourpy"

[tool.meson-python.args]

compile = [

"-v",

]

dist = []

install = []

setup = [

"--vsenv", # Force use of MSVC on Windows, ignored on other platforms

]

[tool.cibuildwheel]

build = "cp{312,313,313t,314,314t,315,315t}-*"

enable = ["cpython-prerelease"]

skip = [

"*-musllinux_{ppc64le,riscv64,s390x}",

"cp315*_riscv64",

]

test-requires = "pytest"

test-command = [

'python -c "from contourpy.util import build_config; from pprint import pprint; pprint(build_config())"',

'pytest -v {project}/tests/test_minimal.py',

]

# Only test combinations for which a numpy wheel exists to avoid compiling numpy from source.

test-skip = "*_{ppc64le,s390x} cp315-pyodide_wasm32"

[tool.cibuildwheel.ios]

xbuild-tools = ["ninja"]

# numpy iOS wheels are not on PyPI yet; see https://github.com/numpy/numpy/pull/28759

# Use the BeeWare independent repository in the meantime.

environment = { PIP_EXTRA_INDEX_URL = "https://pypi.anaconda.org/beeware/simple" }

test-sources = ["tests"]

test-command = "python -m pytest -vv tests/test_minimal.py"

[[tool.cibuildwheel.overrides]]

# See https://github.com/contourpy/contourpy/issues/424

select = "*-win_amd64"

before-all = "pwd"

config-settings.setup-args = [

"-Db_vscrt=mt",

"-Dcpp_link_args=['ucrt.lib','vcruntime.lib','/nodefaultlib:libucrt.lib','/nodefaultlib:libvcruntime.lib']"

]

[[tool.cibuildwheel.overrides]]

select = "cp315*"

inherit.environment = "append"

environment = { PIP_PRE = "1", PIP_EXTRA_INDEX_URL = "https://pypi.anaconda.org/scientific-python-nightly-wheels/simple/" }

[[tool.cibuildwheel.overrides]]

select = "*riscv64*"

# numpy does not provide riscv64 wheel yet. See https://github.com/numpy/numpy/issues/30216

# RISE is building and distributing popular wheels for riscv64 such as numpy

# Let's install from rise project for now: https://riseproject.gitlab.io/python/wheel_builder/packages/numpy

# Note: only manylinux wheel available (no musllinux)

before-test = "python -m pip install -v --only-binary=:all: --extra-index-url https://gitlab.com/api/v4/projects/riseproject%2Fpython%2Fwheel_builder/packages/pypi/simple numpy "

[[tool.cibuildwheel.overrides]]

# Reassert the BeeWare NumPy index for iOS. This must come after the cp315* override

# above, which would otherwise replace PIP_EXTRA_INDEX_URL with the scientific-python

# nightly index for cp315 iOS builds (NumPy iOS wheels are only on BeeWare).

select = "*-ios_*"

environment = { PIP_EXTRA_INDEX_URL = "https://pypi.anaconda.org/beeware/simple" }

[tool.codespell]

ignore-words-list = "nd,socio-economic"

[tool.coverage.report]

exclude_also = [

"if TYPE_CHECKING:",

"\\s+pass",

"raise.*Invalid FillType",

"raise.*Invalid LineType",

]

[tool.mypy]

files = ["lib/contourpy", "benchmarks", "docs", "tests"]

python_version = "3.12"

allow_redefinition = true

check_untyped_defs = true

enable_error_code = ["ignore-without-code", "truthy-bool"]

disallow_untyped_defs = true

no_implicit_optional = true

strict = true

warn_unused_ignores = true

[[tool.mypy.overrides]]

module = [

"asv.*",

"asv_runner.*",

"wurlitzer",

]

ignore_missing_imports = true

[[tool.mypy.overrides]]

module = "tests.test_internal"

disable_error_code = "call-arg"

[[tool.mypy.overrides]]

module = "tests.test_typecheck"

disable_error_code = ["arg-type", "list-item"]

[tool.ruff]

exclude = [

"__pycache__",

".asv",

".git",

".mypy_cache",

"build",

"dist",

]

line-length = 100

[tool.ruff.lint]

ignore = [

"B905",

"PLC0415",

"PLW2901",

]

select = [

"B",

"BLE",

"C4",

"COM",

"E",

"F",

"FA",

"FLY",

"G",

"I",

"ICN",

"INT",

"NPY",

"PERF",

"PGH",

"PIE",

"PLC",

"PLE",

"PLW",

"PYI",

"Q",

"RSE",

"RUF",

"TCH",

"TID",

"UP",

"W",

"YTT",

]

[tool.ruff.lint.isort]

known-first-party = ["contourpy"]

force-sort-within-sections = true

[tool.ruff.lint.per-file-ignores]

"docs/sphinxext/name_supports.py" = ["E402"]

"docs/sphinxext/name_supports_type.py" = ["E402"]

"docs/sphinxext/plot_directive.py" = ["B009", "B010"]

"lib/contourpy/_contourpy.pyi" = ["E501", "PLW0406"]