setup.py

import setuptools
from distutils.command.build import build
from os import environ

exec(open("grain/_version.py").read())

class _build(build):
    def run(self):
        from subprocess import run as cmd
        cmd(
            "go mod download; "
            "CGO_ENABLED=0 GOOS=linux GOARCH=amd64 "
                f"go build -ldflags '-s -w -X main.VERSION={__version__}' -trimpath -o ../grain/gnaw",
            shell=True, check=True, cwd="gnaw/"
        )
        build.run(self)

gnaw_build_args = dict(
    cmdclass={
        'build': _build,
    },
    data_files=[
        ('bin', ['grain/gnaw',]),
    ],
) if not environ.get("CI", False) else {}

with open("README.md", "r") as fh:
    long_description = fh.read()

setuptools.setup(
    name="grain-scheduler",
    version=__version__,
    author="Harry Zhang",
    description="A scheduler for resource-aware parallel computing on clusters.",
    long_description=long_description,
    long_description_content_type="text/markdown",
    url="https://github.com/Contextualist/grain",
    packages=setuptools.find_packages(),
    python_requires=">=3.9",
    install_requires=[
        "trio >= 0.22.0",
        "dill >= 0.3.2",
        "msgpack",
        "tomli >= 1.1.0 ; python_version < '3.11'",
        "attrs >= 21.3.0",
        "cattrs",
        "click",
        "psutil",
    ],
    tests_require=[
        "pytest",
        "pytest-trio",
        "pytest-benchmark",
    ],
    entry_points={
        "console_scripts": ["grain=grain.cli:main"],
    },
    **gnaw_build_args,
    classifiers=[
        "Development Status :: 4 - Beta",
        "Framework :: Trio",
        "Intended Audience :: Science/Research",
        "License :: OSI Approved :: MIT License",
        "Programming Language :: Python :: 3 :: Only",
        "Programming Language :: Python :: 3.9",
        "Programming Language :: Python :: 3.10",
        "Programming Language :: Python :: 3.11",
        "Programming Language :: Python :: 3.12",
        "Topic :: Scientific/Engineering",
        "Topic :: System :: Distributed Computing",
    ],
)