def dump_dataclass(obj: Any):
    """
    Dump a dataclass recursively into a dict that can be later instantiated.

    Args:
        obj: a dataclass object

    Returns:
        dict
    """
    assert dataclasses.is_dataclass(obj) and not isinstance(
        obj, type
    ), "dump_dataclass() requires an instance of a dataclass."
    ret = {"_target_": _convert_target_to_string(type(obj))}
    for f in dataclasses.fields(obj):
        v = getattr(obj, f.name)
        if dataclasses.is_dataclass(v):
            v = dump_dataclass(v)
        if isinstance(v, (list, tuple)):
            v = [dump_dataclass(x) if dataclasses.is_dataclass(x) else x for x in v]
        ret[f.name] = v
    return ret

    Dump a dataclass recursively into a dict that can be later instantiated.

    Args:
        obj: a dataclass object

    Returns:
        dict
    
video_chat_with_ChatGPT/models/grit_src/third_party/CenterNet2/detectron2/config/instantiate.py