import jsonimport codecsdef utf16_le_to_utf_8(data):    decode = codecs.getdecoder('utf_16_le')    rv = decode(data)[0]    return rvdef _to_json_obj(src, anchor=None):    def _judge_anchor(_item, _src, _anchor):        __anchor = _anchor if isinstance(_src, (tuple, list, dict)) else _src        _valid_item = True if not isinstance(_anchor, type(_item)) else False        return _valid_item, __anchor    def _build_in_to_json_obj(_src):        if isinstance(_src, bytes):            _dst = utf16_le_to_utf_8(_src)        else:            _dst = _src        return _dst    def _list_to_json_obj(_src, _anchor=None):        _dst = []        for i in range(0, len(_src)):            _dst.append(_to_json_obj(_src[i], anchor=_anchor))        return _dst    def _dict_to_json_obj(_src, _anchor=None):        _dst = dict()        for k, v in _src.items():            _dst[k] = _to_json_obj(v, anchor=_anchor)        return _dst    def _class_to_json_obj(_src, _anchor=None):        _dst = dict()        for k, v in _src.__dict__.items():            valid_item, __anchor = _judge_anchor(v, _src, _anchor)            if valid_item:                _dst[k] = _to_json_obj(v, anchor=__anchor)        return _dst    if isinstance(src, (type(None), bool, int, float, str, bytes)):        dst = _build_in_to_json_obj(src)    elif isinstance(src, (list, tuple)):            dst = _list_to_json_obj(src, _anchor=anchor)    elif isinstance(src, dict):            dst = _dict_to_json_obj(src, _anchor=anchor)    else:            dst = _class_to_json_obj(src, _anchor=anchor)    return dstdef to_json_str(anything):    obj = _to_json_obj(anything)    return json.dumps(obj, indent=4, ensure_ascii=False)