setup.py

"""Setup script for kh57 Cython extensions.

PEP 621 metadata lives in pyproject.toml. This file only declares the
Cython extension modules and drives the build.
"""

import sys

from setuptools import Extension, setup


try:
    from Cython.Build import cythonize
except ImportError:
    print("Warning: Cython is not installed", file=sys.stderr)

    def cythonize(exts: list, **_kwargs: object) -> list:  # type: ignore[no-redef]
        return exts


extensions = [
    Extension(
        "kh57.siphash",
        ["src/kh57/siphash.pyx"],
        language="c++",
    ),
    Extension(
        "kh57.encoding",
        ["src/kh57/encoding.pyx"],
        language="c++",
    ),
    Extension(
        "kh57.sampling",
        ["src/kh57/sampling.pyx"],
        language="c++",
    ),
]


setup(
    ext_modules=cythonize(extensions, language_level=3),
    zip_safe=False,
)