Function _walk

src/werkzeug/_reloader.py:156–163

(node: t.Mapping[str, dict[str, t.Any]], path: tuple[str, ...])

    rv = set()

    def _walk(node: t.Mapping[str, dict[str, t.Any]], path: tuple[str, ...]) -> None:
        for prefix, child in node.items():
            _walk(child, path + (prefix,))

        # If there are no more nodes, and a path has been accumulated, add it.
        # Path may be empty if the "" entry is in sys.path.
        if not node and path:
            rv.add(os.path.join(*path))

    _walk(root, ())
    return rv