Function main

cpython-unix/build.py:958–1299

()

def main():
    BUILD.mkdir(exist_ok=True)
    DOWNLOADS_PATH.mkdir(exist_ok=True)
    (BUILD / "logs").mkdir(exist_ok=True)

    if os.environ.get("PYBUILD_NO_DOCKER"):
        client = None
    else:
        try:
            client = docker.from_env(timeout=600)
            client.ping()
        except Exception as e:
            print("unable to connect to Docker: %s" % e, file=sys.stderr)
            return 1

    # Note these arguments must be synced with `build-main.py`
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "--host-platform", required=True, help="Platform we are building from"
    )
    parser.add_argument(
        "--target-triple",
        required=True,
        help="Host triple that we are building Python for",
    )

    # Construct possible options
    options = set()
    options.update({"debug", "noopt", "pgo", "lto", "pgo+lto"})
    options.update({f"freethreaded+{option}" for option in options})
    options.update({f"{option}+static" for option in options})
    parser.add_argument(
        "--options",
        choices=options,
        default="noopt",
        help="Build options to apply when compiling Python",
    )

    parser.add_argument(
        "--toolchain",
        action="store_true",
        help="Indicates we are building a toolchain artifact",
    )
    parser.add_argument(
        "--dest-archive", required=True, help="Path to archive that we are producing"
    )
    parser.add_argument("--docker-image", help="Docker image to use for building")
    parser.add_argument(
        "--python-source",
        default=None,
        help="A custom path to CPython source files to use",
    )
    parser.add_argument(
        "--python-host-version",
        default=None,
        help="Python X.Y version for host Python installation",
    )
    parser.add_argument("action")