How to use the apkutils.axml.arscparser.ARSCParser function in apkutils

def setUp(self):
        file_path = os.path.abspath(os.path.join(
            os.path.dirname(__file__), "..", 'data', 'test'))
        with zipfile.ZipFile(file_path, mode="r") as zf:
            data = zf.read('resources.arsc')
            self.arscobj = ARSCParser(data)

        self.package = self.arscobj.get_packages_names()[0]

def _init_app_icon(self):
        files = self.get_files()
        result = re.search(r':icon="@(.*?)"', self.get_org_manifest())
        ids = '0x' + result.groups()[0].lower()
        try:
            with apkfile.ZipFile(self.apk_path, 'r') as z:
                data = z.read('resources.arsc')
                self.arscobj = ARSCParser(data)
                self.package = self.arscobj.get_packages_names()[0]
                datas = xmltodict.parse(
                    self.arscobj.get_public_resources(self.package))
                for item in datas['resources']['public']:
                    if ids != item['@id']:
                        continue
                    for f in files:
                        name = f['name']
                        if item['@type'] in name and item['@name'] in name:
                            self.app_icon = name
        except Exception as ex:
            raise ex

def _init_arsc(self):
        ARSC_NAME = 'resources.arsc'
        try:
            with apkfile.ZipFile(self.apk_path, mode="r") as zf:
                if ARSC_NAME in zf.namelist():
                    data = zf.read(ARSC_NAME)
                    self.arsc = ARSCParser(data)
        except Exception as e:
            raise e

def get_resolved_res_configs(self, rid, config=None):
        resolver = ARSCParser.ResourceResolver(self, config)
        return resolver.resolve(rid)