from configparser import ConfigParser
from pathlib import Path


def load_source_settings():
    """Load settings.conf from a checkout or a nested package build tree."""
    for parent in Path(__file__).resolve().parents:
        settings_path = parent / "config/settings/settings.conf"
        if settings_path.is_file():
            config = ConfigParser(interpolation=None)
            config.read(settings_path)
            return config

    raise FileNotFoundError(
        "Could not find config/settings/settings.conf above the test directory"
    )