setup.py

from setuptools import setup


def read_files(files):
    data = []
    for file in files:
        with open(file, encoding="utf-8") as f:
            data.append(f.read())
    return "\n".join(data)


long_description = read_files(["README.md", "CHANGELOG.md"])

meta = {}
with open("./src/dotenv/version.py", encoding="utf-8") as f:
    exec(f.read(), meta)

setup(
    name="python-dotenv",
    description="Read key-value pairs from a .env file and set them as environment variables",
    long_description=long_description,
    long_description_content_type="text/markdown",
    version=meta["__version__"],
    author="Saurabh Kumar",
    author_email="me+github@saurabh-kumar.com",
    url="https://github.com/theskumar/python-dotenv",
    keywords=[
        "environment variables",
        "deployments",
        "settings",
        "env",
        "dotenv",
        "configurations",
        "python",
    ],
    packages=["dotenv"],
    package_dir={"": "src"},
    package_data={
        "dotenv": ["py.typed"],
    },
    python_requires=">=3.9",
    extras_require={
        "cli": [
            "click>=5.0",
        ],
    },
    entry_points={
        "console_scripts": [
            "dotenv=dotenv.__main__:cli",
        ],
    },
    license="BSD-3-Clause",
    classifiers=[
        "Development Status :: 5 - Production/Stable",
        "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 :: Implementation :: PyPy",
        "Intended Audience :: Developers",
        "Intended Audience :: System Administrators",
        "License :: OSI Approved :: BSD License",
        "Operating System :: OS Independent",
        "Topic :: System :: Systems Administration",
        "Topic :: Utilities",
        "Environment :: Web Environment",
    ],
)