pyproject.toml

[build-system]
# Need to be installed manually when using `--no-build-isolation`.
# Keep in sync with `docs/source/contribution.rst`.
requires = ["setuptools>=77", "wheel", "Cython>=3,<3.2", "fastrlock>=0.5"]
build-backend = "setuptools.build_meta"

[project]
name = "cupy"
description = "CuPy: NumPy & SciPy for GPU"
authors = [{ name = "Seiya Tokui", email = "tokui@preferred.jp" }]
maintainers = [{ name = "CuPy Developers" }]
license = { text = "MIT" }
# license-files = ["LICENSE", "docs/source/license.rst"]
classifiers = [
  "Development Status :: 5 - Production/Stable",
  "Intended Audience :: Science/Research",
  "Intended Audience :: Developers",
  "Programming Language :: Python",
  "Programming Language :: Python :: 3",
  "Programming Language :: Python :: 3.9",
  "Programming Language :: Python :: 3.10",
  "Programming Language :: Python :: 3.11",
  "Programming Language :: Python :: 3.12",
  "Programming Language :: Python :: 3.13",
  "Programming Language :: Python :: 3 :: Only",
  "Programming Language :: Cython",
  "Topic :: Software Development",
  "Topic :: Scientific/Engineering",
  "Operating System :: POSIX",
  "Operating System :: Microsoft :: Windows",
]
requires-python = ">=3.9"
dependencies = [
  "numpy>=1.24,<2.6", # see #4773
  "fastrlock>=0.5",
]
dynamic = [
  "version",
  "readme",  # long_description
]

[project.optional-dependencies]
"all" = [
  "scipy>=1.10,<1.17", # see #4773
  "Cython>=3",
  "optuna>=2.0",
]
"test" = ["packaging", "pytest>=7.2", "hypothesis>=6.37.2,<6.55.0", "mpmath"]

[project.urls]
"Homepage" = "https://cupy.dev/"
"Documentation" = "https://docs.cupy.dev/"
"Bug Tracker" = "https://github.com/cupy/cupy/issues"
"Source Code" = "https://github.com/cupy/cupy"

[tool.setuptools]
# Do not include files listed in MANIFEST.in to wheels.
include-package-data = false

[tool.setuptools.packages.find]
include = ["cupy*", "cupyx*", "cupy_backends*"]

[tool.setuptools.dynamic]
version = { attr = "cupy._version.__version__" }

[tool.autopep8]
exclude = "*.git*, *.eggs*, *cupy/array_api*, *tests/cupy_tests/array_api_tests*, *docs/source*"

[tool.autopep8.per-file-ignores]
# ignore long lines containing arrays of numerical constants
"cupyx/scipy/special/_gammainc.py" = ["E501"]

[tool.mypy]
# Keep in sync with the list in .pre-commit-config.yaml
files = ["cupy", "cupyx", "cupy_backends", ".github", ".pfnci"]
ignore_missing_imports = true
disable_error_code = ["attr-defined"]

[tool.pytest.ini_options]
xfail_strict = true
testpaths = "tests"
addopts = "--strict-markers"
markers = ["slow", "multi_gpu"]
filterwarnings = [
  "error::FutureWarning",
  # ignore FutureWarning from cupy._util.experimental
  'ignore:.* is experimental\.:FutureWarning:cupy',
  "ignore::UserWarning",
  "error::DeprecationWarning",
  "error::PendingDeprecationWarning",
  "error::cupy.exceptions.VisibleDeprecationWarning",
  "error::cupy.exceptions.ComplexWarning",
  # distutils (Python 3.10)
  "ignore:The distutils(.+) is deprecated:DeprecationWarning",
  "ignore:dep_util is Deprecated:DeprecationWarning",
  # pkg_resources
  "ignore::DeprecationWarning:pkg_resources",
  "ignore:pkg_resources is deprecated",
  # importing old SciPy is warned because it tries to
  # import nose via numpy.testing
  'ignore::DeprecationWarning:scipy\._lib\._numpy_compat',
  # importing stats from old SciPy is warned because it tries to
  # import numpy.testing.decorators
  'ignore::DeprecationWarning:scipy\.stats\.morestats',
  # Using `scipy.sparse` against NumPy 1.15+ raises warning
  # as it uses `np.matrix` which is pending deprecation.
  # Also exclude `numpy.matrixlib.defmatrix` as SciPy and our
  # test code uses `np.asmatrix`, which internally calls
  # `np.matrix`.
  'ignore::PendingDeprecationWarning:scipy\.sparse\.\w+',
  'ignore::PendingDeprecationWarning:numpy\.matrixlib\.defmatrix',
  # pyreadline (dependency from optuna -> cliff -> cmd2) uses deprecated ABCs
  "ignore:Using or importing the ABCs from:DeprecationWarning:pyreadline",
  # Ignore warnings from Optuna 3.0 internal code
  # TODO(kmaehashi): Remove after the issue is fixed in Optuna.
  "ignore:(.+?) has been deprecated in v3.0.0:FutureWarning:optuna",
  # Ignore warnings from SQLAlchemy on which Optuna depends
  'ignore:Deprecated API features detected! These feature\(s\) are not compatible with SQLAlchemy 2\.0\.:DeprecationWarning:optuna',
  'ignore:(.+?)SQLAlchemy 2\.0(.+?):DeprecationWarning',
  # setuptools 65+
  # TODO(kmaehashi): Remove distutils from cupy_builder to remove this
  "ignore:Absolute path '(.+?)' is being replaced with a relative path '(.+?)' for outputs:DeprecationWarning:distutils",
]

[tool.coverage.run]
plugins = "Cython.Coverage"
include = ["cupy/*", "cupyx/*", "examples/*"]

[tool.coverage.report]
ecxlude_lines = ["if __name__ == .__main__.:"]

[tool.ruff]
line-length = 79
extend-exclude = [
  "cupy/array_api",
  "docs/source",
  "tests/cupy_tests/array_api_tests",
  "third_party",
]

[tool.ruff.lint]
select = ["E", "F", "W", "UP", "I002", "FA", "PYI", "PLC01"]
extend-ignore = [
  "UP031", # printf-string-formatting
  "UP032", # f-string
]

[tool.ruff.lint.per-file-ignores]
"cupyx/scipy/special/_gammainc.py" = [
  "E501", # line-too-long (table of constants)
]
"tests/typing_tests/cupy_tests/creation_tests/test_basic.pyi" = [
  "E501", # line-too-long (long comments)
]

[tool.ruff.lint.isort]
required-imports = ["from __future__ import annotations"]