Numpy 2.0 Wheels

.github/workflows/build.yml

@@ -8,18 +8,15 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-20.04, windows-2019, macos-11]
+        os: [ubuntu-22.04, windows-2019, macos-11]
 
     steps:
       - uses: actions/checkout@v3
         with:
           submodules: recursive
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.16.2
-        env:
-          CIBW_ARCHS_MACOS: x86_64 arm64
-          CIBW_TEST_SKIP: "*_arm64 *_universal2:arm64"
+        uses: pypa/cibuildwheel@v2.17.0
 
       - name: Show files
         run: ls -lh wheelhouse

pyproject.toml

@@ -2,6 +2,49 @@
 requires = [
     "setuptools>=42",
     "wheel",
-    "pybind11~=2.6",
+    "pybind11==2.12.0",
+    "tomli>=0.10; python_version<'3.11'",
 ]
 build-backend = "setuptools.build_meta"
+
+[project]
+name = "mapbox_earcut"
+version = "1.0.2"
+requires-python = ">=3.7"
+authors = [{name = "Samuel Kogler", email = "samuel.kogler@gmail.com"}]
+license =  {file = "LICENSE.md"}
+description = "Python bindings for the mapbox earcut C++ polygon triangulation library."
+dependencies = ["numpy>=1.19.0"]
+
+[project.urls]
+Source = "https://github.com/skogler/mapbox_earcut_python"
+CSource = "https://github.com/mapbox/earcut.hpp"
+
+[project.readme]
+file = "README.md"
+content-type = "text/markdown"
+
+[tool.setuptools]
+zip-safe = false
+include-package-data = true
+
+[project.optional-dependencies]
+test = ["pytest"]
+
+
+[tool.cibuildwheel]
+# install the `test` extra
+test-extras = ["test"]
+
+# Run the package tests using `pytest`
+# also test against pre-release Numpy
+# TODO : when numpy 2.0 releases this can be reduced to just one pytest
+test-command = ["pytest {package}/tests",
+	        "pip install --force-reinstall --upgrade --pre numpy",
+		"pytest {package}/tests"]
+
+# don't test on PyPy as it will re-build numpy
+test-skip = "*_arm64 *_universal2:arm64 pp*"
+
+[tool.cibuildwheel.macos]
+archs = ["x86_64", "arm64"]

setup.py

@@ -3,40 +3,44 @@
 from setuptools import setup
 from pybind11.setup_helpers import Pybind11Extension, build_ext
 
-FILE_DIR = os.path.dirname(os.path.abspath(__file__))
-VERSION = '1.0.1'
+
+def _get_version() -> str:
+    """
+    Get the version defined in `pyproject.toml` to prevent
+    requiring the version to be specified in two places.
+
+    Note that Python only introduced a TOML parser in
+    Python 3.11 so this requires `pip install tomli` for older
+    versions of Python.
+    """
+    try:
+        # we could also do this with
+        # if `sys.version_info >= (3, 11)`
+        from tomllib import load
+    except BaseException:
+        # a parser with the same API from pypi
+        from tomli import load
+
+    # current working directory
+    cwd = os.path.abspath(os.path.expanduser(os.path.dirname(__file__)))
+    # file-relative pyproject path
+    path = os.path.join(cwd, "pyproject.toml")
+    with open(path, "rb") as f:
+        pyproject = load(f)
+
+    return pyproject["project"]["version"]
+
 
 ext_modules = [
-    Pybind11Extension('mapbox_earcut',
-        ['src/main.cpp'],
-        include_dirs=['include'],
-        define_macros = [('VERSION_INFO', VERSION)],
-        ),
+    Pybind11Extension(
+        "mapbox_earcut",
+        ["src/main.cpp"],
+        include_dirs=["include"],
+        define_macros=[("VERSION_INFO", _get_version())],
+    ),
 ]
 
-def get_readme_contents():
-    with open(os.path.join(FILE_DIR, 'README.md'), 'r') as readme_file:
-        return readme_file.read()
-
 setup(
-    name='mapbox_earcut',
-    version=VERSION,
-    url='https://github.com/skogler/mapbox_earcut_python',
-    author='Samuel Kogler',
-    author_email='samuel.kogler@gmail.com',
-    description=
-    'Python bindings for the mapbox earcut C++ polygon triangulation library.',
-    long_description=get_readme_contents(),
-    long_description_content_type='text/markdown',
-    license='ISC',
     ext_modules=ext_modules,
-    install_requires=['numpy'],
-    extras_require={'test': 'pytest'},
     cmdclass=dict(build_ext=build_ext),
-    zip_safe=False,
-    project_urls={
-        'Source': 'https://github.com/skogler/mapbox_earcut_python',
-        'Original C++ Source': 'https://github.com/mapbox/earcut.hpp',
-    },
-    include_package_data = True
 )

src/main.cpp

@@ -98,7 +98,6 @@ PYBIND11_MODULE(mapbox_earcut, m)
     m.def("triangulate_float64", &triangulate<double, uint32_t>);
 
 #ifdef VERSION_INFO
-
     m.attr("__version__") = MACRO_TO_STR(VERSION_INFO) ;
 #else
     m.attr("__version__") = "dev";