pyproject.toml

[build-system]
# scikit-build-core claims there's no need to explicitly specify Ninja,
# as it will "automatically be downloaded if needed", but I don't know
# how it determines "if needed", all I know is that we need it, particularly
# for Windows.
requires = ["scikit-build-core", "numpy", "ninja"]
build-backend = "scikit_build_core.build"

[project]
name = "prima"
dependencies = ["numpy", "scipy >= 1.9.0"]
dynamic = ["version"]
# The driving factor for our Python version is that we need a version of SciPy that
# includes https://github.com/scipy/scipy/pull/15394. This was merged in SciPy 1.9.0,
# and Python 3.7 only support up to SciPy 1.7.3 whereas 3.8 supports 1.10.1.
requires-python = ">= 3.8"

[tool.scikit-build]
cmake.args = ["-G Ninja", "-DBUILD_SHARED_LIBS=OFF", "-DPRIMA_ENABLE_PYTHON=ON"]
cmake.verbose = true
logging.level = "INFO"
metadata.version.provider = "scikit_build_core.metadata.setuptools_scm"
sdist.include = [".git-archival.txt"]
install.components = ["Prima_Python_C_Extension"]

[tool.setuptools_scm]  # Section required
write_to = "_version.txt"

[tool.cibuildwheel]
build-verbosity = 3
test-command = "coverage run --branch --source=prima,{project} -m pytest -s {project}/python/tests && coverage html -d {project}/prima_htmlcov"
test-requires = ["pytest", "coverage", "packaging"]
# We need scipy and pdfo (which depends on scipy) for compatibility tests.
# scipy is not available on all platforms we support, so we try to install it
# if posssible, otherwise we skip it. The test will skip itself if it cannot
# import scipy. "--only-binary" ensure we do not try to build scipy from
# source (which requires special setup we have no intention of doing).
before-test = "pip install --only-binary :all: scipy pdfo || true"
skip = [
  # On windows we get a complaint from CMake:
  # "CMake Error at python/pybind11/tools/FindPythonLibsNew.cmake:191 (message):
  #   Python config failure: Python is 32-bit, chosen compiler is 64-bit"
  # I do not see a way to install a 32-bit compiler with the setup-fortran action,
  # so we will just build 64-bit wheels on windows.
  "*-win32", 
  # Disable building PyPy wheels on all platforms. If there is interest in supporting PyPy
  # we can look into it.
  "pp*",
  # Disable musllinux for the moment. It successfully built but there was an error when testing
  "*musllinux*",
  # SciPy does not provide binaries for 32-bit Python on Linux starting from 3.10.
  # As such we can compile but we cannot test, so we skip those.
  "cp31*-manylinux_i686",
]