How to use the langdetect.utils.lang_profile.LangProfile function in langdetect

def load_json_profile(self, json_profiles):
        langsize, index = len(json_profiles), 0
        if langsize < 2:
            raise LangDetectException(ErrorCode.NeedLoadProfileError, 'Need more than 2 profiles.')

        for json_profile in json_profiles:
            try:
                json_data = json.loads(json_profile)
                profile = LangProfile(**json_data)
                self.add_profile(profile, index, langsize)
                index += 1
            except:
                raise LangDetectException(ErrorCode.FormatError, 'Profile format error.')

langsize, index = len(list_files), 0
        for filename in list_files:
            if filename.startswith('.'):
                continue
            filename = path.join(profile_directory, filename)
            if not path.isfile(filename):
                continue

            f = None
            try:
                if sys.version_info[0] < 3:
                    f = open(filename, 'r')
                else:
                    f = open(filename, 'r', encoding='utf-8')
                json_data = json.load(f)
                profile = LangProfile(**json_data)
                self.add_profile(profile, index, langsize)
                index += 1
            except IOError:
                raise LangDetectException(ErrorCode.FileLoadError, 'Cannot open "%s"' % filename)
            except:
                raise LangDetectException(ErrorCode.FormatError, 'Profile format error in "%s"' % filename)
            finally:
                if f:
                    f.close()