Merge pull request #9437 from bernt-matthias/topic/searchgui_archive_meta_fix

import binascii

import gzip

import io

import logging

import os

import shutil

                with zipfile.ZipFile(dataset.file_name) as tempzip:

                    if 'searchgui.properties' in tempzip.namelist():

                        with tempzip.open('searchgui.properties') as fh:

                            for line in fh:

                            for line in io.TextIOWrapper(fh):

                                if line.startswith('searchgui.version'):

                                    version = line.split('=')[1].strip()

                                    dataset.metadata.searchgui_version = version