sandy45/ChestViT-Explainable-XRay-AI

1"""2config_loader.py3----------------4Loads config/config.yaml and exposes a typed namespace for the rest of the project.5"""6import yaml7from pathlib import Path8from types import SimpleNamespace9 10 11def _dict_to_namespace(d: dict) -> SimpleNamespace:12    """Recursively convert dict → SimpleNamespace for dot-access."""13    ns = SimpleNamespace()14    for key, value in d.items():15        if isinstance(value, dict):16            setattr(ns, key, _dict_to_namespace(value))17        else:18            setattr(ns, key, value)19    return ns20 21 22def load_config(config_path: str | Path | None = None) -> SimpleNamespace:23    """24    Load the project config from YAML.25 26    Args:27        config_path: Path to config.yaml. Defaults to <project_root>/config/config.yaml.28 29    Returns:30        SimpleNamespace with dot-access to all config values.31    """32    if config_path is None:33        config_path = Path(__file__).parent / "config" / "config.yaml"34    config_path = Path(config_path)35    if not config_path.exists():36        raise FileNotFoundError(f"Config file not found: {config_path}")37    with open(config_path, "r", encoding="utf-8") as f:38        raw = yaml.safe_load(f)39    return _dict_to_namespace(raw)40 41 42# Convenience singleton — import this anywhere in the project43CFG = load_config()44