Function _build_test_to_lib_map

scripts/update_lib/cmd_todo.py:273–303

Build reverse mapping from test name to library name using DEPENDENCIES. Returns: Tuple of: - Dict mapping test_name -> lib_name (e.g., "test_htmlparser" -> "html") - Dict mapping lib_name -> ordered list of test_names

(
    cpython_prefix: str,
)

def _build_test_to_lib_map(
    cpython_prefix: str,
) -> tuple[dict[str, str], dict[str, list[str]]]:
    """Build reverse mapping from test name to library name using DEPENDENCIES.

    Returns:
        Tuple of:
        - Dict mapping test_name -> lib_name (e.g., "test_htmlparser" -> "html")
        - Dict mapping lib_name -> ordered list of test_names
    """
    import pathlib

    from update_lib.deps import DEPENDENCIES

    test_to_lib = {}
    lib_test_order: dict[str, list[str]] = {}
    for lib_name, dep_info in DEPENDENCIES.items():
        if "test" not in dep_info:
            continue
        lib_test_order[lib_name] = []
        for test_path in dep_info["test"]:
            # test_path is like "test_htmlparser.py" or "test_multiprocessing_fork"
            path = pathlib.Path(test_path)
            if path.suffix == ".py":
                test_name = path.stem
            else:
                test_name = path.name
            test_to_lib[test_name] = lib_name
            lib_test_order[lib_name].append(test_name)

    return test_to_lib, lib_test_order


def compute_test_todo_list(