Function python_build_info

cpython-unix/build.py:466–699

Obtain build metadata for the Python distribution.

(
    build_env,
    version,
    platform,
    target_triple,
    musl,
    lto,
    static,
    extensions,
    extra_metadata,
)

def python_build_info(
    build_env,
    version,
    platform,
    target_triple,
    musl,
    lto,
    static,
    extensions,
    extra_metadata,
):
    """Obtain build metadata for the Python distribution."""

    log("resolving Python distribution build info")

    bi = {"core": {"objs": [], "links": []}, "extensions": {}}

    binary_suffix = ""

    if platform in ("linux_x86_64", "linux_aarch64"):
        arch = platform.removeprefix("linux_")

        bi["core"]["static_lib"] = (
            f"install/lib/python{version}/config-{version}{binary_suffix}-{arch}-linux-gnu/libpython{version}{binary_suffix}.a"
        )

        if not static:
            bi["core"]["shared_lib"] = "install/lib/libpython%s%s.so.1.0" % (
                version,
                binary_suffix,
            )

        if lto:
            llvm_version = DOWNLOADS[clang_toolchain(platform, target_triple)][
                "version"
            ]
            if "+" in llvm_version:
                llvm_version = llvm_version.split("+")[0]

            object_file_format = f"llvm-bitcode:%{llvm_version}"
        else:
            object_file_format = "elf"
    elif platform.startswith("macos_"):
        bi["core"]["static_lib"] = (
            f"install/lib/python{version}/config-{version}{binary_suffix}-darwin/libpython{version}{binary_suffix}.a"
        )
        bi["core"]["shared_lib"] = "install/lib/libpython%s%s.dylib" % (
            version,
            binary_suffix,
        )

        if lto:
            object_file_format = (
                "llvm-bitcode:%s" % DOWNLOADS["llvm-aarch64-macos"]["version"]
            )
        else:
            object_file_format = "mach-o"
    else: