setup.py

from os.path import exists
from os.path import sys
from setuptools import setup, find_packages

def parse_requirements(fname="requirements.txt", with_version=False):
    """
    Parse the package dependencies listed in a requirements file but strips
    specific versioning information.
    Args:
        fname (str): path to requirements file
        with_version (bool, default=False): if true include version specs
    Returns:
        List[str]: list of requirements items
    """
    from os.path import exists
    import re

    require_fpath = fname

    def parse_line(line):
        """
        Parse information from a line in a requirements text file
        """
        if line.startswith("-r "):
            # Allow specifying requirements in other files
            target = line.split(" ")[1]
            for info in parse_require_file(target):
                yield info
        else:
            info = {"line": line}
            if line.startswith("-e "):
                info["package"] = line.split("#egg=")[1]
            else:
                # Remove versioning from the package
                pat = "(" + "|".join([">=", "==", ">"]) + ")"
                parts = re.split(pat, line, maxsplit=1)
                parts = [p.strip() for p in parts]

                info["package"] = parts[0]
                if len(parts) > 1:
                    op, rest = parts[1:]
                    if ";" in rest:
                        # Handle platform specific dependencies
                        # http://setuptools.readthedocs.io/en/latest/setuptools.html#declaring-platform-specific-dependencies
                        version, platform_deps = map(str.strip, rest.split(";"))
                        info["platform_deps"] = platform_deps
                    else:
                        version = rest  # NOQA
                    info["version"] = (op, version)
            yield info

    def parse_require_file(fpath):
        with open(fpath, "r") as f:
            for line in f.readlines():
                line = line.strip()
                if line and not line.startswith("#"):
                    for info in parse_line(line):
                        yield info

    def gen_packages_items():
        if exists(require_fpath):
            for info in parse_require_file(require_fpath):
                parts = [info["package"]]
                if with_version and "version" in info:
                    parts.extend(info["version"])
                if not sys.version.startswith("3.4"):
                    # apparently package_deps are broken in 3.4
                    platform_deps = info.get("platform_deps")
                    if platform_deps is not None:
                        parts.append(";" + platform_deps)
                item = "".join(parts)
                yield item

    packages = list(gen_packages_items())
    return packages


if __name__ == "__main__":

    long_description = None
    with open("README.md", "r", encoding="utf-8") as f:
        long_description = f.read()


    setup(name="bayesiansafety",
            version="0.0.1",
            author="Robert Maier",
            author_email="robert.maier@oth-regensburg.de",
            description="A package for causality guided, multi-model safety analysis.",
            license="MIT",
            long_description=long_description,
            long_description_content_type="text/markdown",
            url="https://github.com/othr-las3/bayesiansafety",
            packages=find_packages(),
            classifiers=[
                "Programming Language :: Python :: 3.7",
                "Programming Language :: Python :: 3.8",
                "Programming Language :: Python :: 3.9",
                "Intended Audience :: Education",
                "Intended Audience :: Science/Research",
                "Topic :: Scientific/Engineering",
                "Topic :: Scientific/Engineering :: Functional Safety",
                "License :: OSI Approved :: MIT License",
                "Operating System :: POSIX :: Linux",
                "Operating System :: Microsoft :: Windows"
                ],
            python_requires='>=3.7',
            install_requires=parse_requirements("requirements/runtime.txt"),
            extras_require={
                "all": parse_requirements("requirements.txt"),
                "tests": parse_requirements("requirements/tests.txt"),
                },
        )