Function is_up_to_date

scripts/update_lib/deps.py:1049–1081

Check if a module is up-to-date by comparing files. Args: name: Module name cpython_prefix: CPython directory prefix lib_prefix: Local Lib directory prefix Returns: True if all files match, False otherwise

(name: str, cpython_prefix: str, lib_prefix: str)

@functools.cache
def is_up_to_date(name: str, cpython_prefix: str, lib_prefix: str) -> bool:
    """Check if a module is up-to-date by comparing files.

    Args:
        name: Module name
        cpython_prefix: CPython directory prefix
        lib_prefix: Local Lib directory prefix

    Returns:
        True if all files match, False otherwise
    """
    lib_paths = get_lib_paths(name, cpython_prefix)

    found_any = False
    for cpython_path in lib_paths:
        if not cpython_path.exists():
            continue

        found_any = True

        # Convert cpython path to local path
        # cpython/Lib/foo.py -> Lib/foo.py
        rel_path = cpython_path.relative_to(cpython_prefix)
        local_path = pathlib.Path(lib_prefix) / rel_path.relative_to("Lib")

        if not compare_paths(cpython_path, local_path):
            return False

    if not found_any:
        dep_info = DEPENDENCIES.get(name, {})
        if dep_info.get("lib") == []:
            return True
    return found_any


def _count_file_diff(file_a: pathlib.Path, file_b: pathlib.Path) -> int: