def edit_config()

in tzrec/utils/config_util.py [0:0]


def edit_config(pipeline_config: Message, edit_config_json: Dict[str, Any]) -> Message:
    """Update params specified by automl.

    Args:
        pipeline_config (EasyRecConfig): a object of pipeline_pb2.EasyRecConfig.
        edit_config_json (dict): edit config json

    Returns:
        edited a object of pipeline_pb2.EasyRecConfig.
    """

    # pyre-ignore [2, 3]
    def _type_convert(proto, val, parent=None):
        if type(val) is not type(proto):
            try:
                if isinstance(proto, bool):
                    assert val in ["True", "true", "False", "false"]
                    val = val in ["True", "true"]
                else:
                    val = type(proto)(val)
            except ValueError as ex:
                if parent is None:
                    raise ex
                assert isinstance(proto, int)
                val = getattr(parent, val)
                assert isinstance(val, int)
        return val

    # pyre-ignore [2, 3]
    def _get_attr(obj, attr, only_last=False):
        # only_last means we only return the last element in paths array
        attr_toks = [x.strip() for x in _dot_split_with_bracket(attr) if x != ""]
        paths = []
        objs = [obj]
        nobjs = []
        for key in attr_toks:
            # clear old paths to clear new paths
            paths = []
            for obj in objs:
                if "[" in key:
                    pos = key.find("[")
                    name, cond = key[:pos], key[pos + 1 :]
                    cond = cond[:-1]
                    update_objs = getattr(obj, name)
                    # select all update_objs
                    if cond == ":":
                        for tid, update_obj in enumerate(update_objs):
                            paths.append((obj, update_obj, None, tid))
                            nobjs.append(update_obj)
                        continue

                    # select by range update_objs[1:10]
                    if ":" in cond:
                        colon_pos = cond.find(":")
                        sid = cond[:colon_pos]
                        if len(sid) == 0:
                            sid = 0
                        else:
                            sid = int(sid)
                        eid = cond[(colon_pos + 1) :]
                        if len(eid) == 0:
                            eid = len(update_objs)
                        else:
                            eid = int(eid)
                        for tid, update_obj in enumerate(update_objs[sid:eid]):
                            paths.append((obj, update_obj, None, tid + sid))
                            nobjs.append(update_obj)
                        continue

                    # for simple index update_objs[0]
                    try:
                        obj_id = int(cond)
                        obj = update_objs[obj_id]
                        paths.append((obj, update_objs, None, obj_id))
                        nobjs.append(obj)
                        continue
                    except ValueError:
                        pass

                    # for complex conditions a[optimizer.lr=20]
                    op_func_map = {
                        ">=": lambda x, y: x >= y,
                        "<=": lambda x, y: x <= y,
                        "<": lambda x, y: x < y,
                        ">": lambda x, y: x > y,
                        "=": lambda x, y: x == y,
                    }
                    cond_key = None
                    cond_val = None
                    op_func = None
                    for op in [">=", "<=", ">", "<", "="]:
                        tmp_pos = cond.rfind(op)
                        if tmp_pos != -1:
                            cond_key = cond[:tmp_pos]
                            cond_val = cond[(tmp_pos + len(op)) :]
                            op_func = op_func_map[op]
                            break

                    assert cond_key is not None, "invalid cond: %s" % cond
                    assert cond_val is not None, "invalid cond: %s" % cond

                    for tid, update_obj in enumerate(update_objs):
                        tmp, tmp_parent, _, _ = _get_attr(
                            update_obj, cond_key, only_last=True
                        )

                        cond_val = _type_convert(tmp, cond_val, tmp_parent)

                        # pyre-ignore [29]
                        if op_func(tmp, cond_val):
                            obj_id = tid
                            paths.append((update_obj, update_objs, None, obj_id))
                            nobjs.append(update_obj)
                else:
                    sub_obj = getattr(obj, key)
                    paths.append((sub_obj, obj, key, -1))
                    nobjs.append(sub_obj)
            # exchange to prepare for parsing next token
            objs = nobjs
            nobjs = []
        if only_last:
            return paths[-1]
        else:
            return paths

    for param_keys in edit_config_json:
        # multiple keys/vals combination
        param_vals = edit_config_json[param_keys]
        param_vals = [x.strip() for x in str(param_vals).split(";")]
        param_keys = [x.strip() for x in str(param_keys).split(";")]
        for param_key, param_val in zip(param_keys, param_vals):
            update_obj = pipeline_config
            tmp_paths = _get_attr(update_obj, param_key)
            # update a set of objs
            for tmp_val, tmp_obj, tmp_name, tmp_id in tmp_paths:
                # list and dict are not basic types, must be handle separately
                basic_types = _get_basic_types()
                if type(tmp_val) in basic_types:
                    # simple type cast
                    tmp_val = _type_convert(tmp_val, param_val, tmp_obj)
                    if tmp_name is None:
                        tmp_obj[tmp_id] = tmp_val
                    else:
                        setattr(tmp_obj, tmp_name, tmp_val)
                elif "Scalar" in str(type(tmp_val)) and "ClearField" in dir(tmp_obj):
                    tmp_obj.ClearField(tmp_name)
                    text_format.Parse("%s:%s" % (tmp_name, param_val), tmp_obj)
                else:
                    tmp_val.Clear()
                    param_val = param_val.strip()
                    if param_val.startswith("{") and param_val.endswith("}"):
                        param_val = param_val[1:-1]
                    text_format.Parse(param_val, tmp_val)

    return pipeline_config