def processAlgorithm(self, progress): progress.setInfo("Reading the ini file") file_path = self.getParameterValue(self.INI_FILE_PATH) ini_file = FileQuery(file_path) ini_dict = None if ini_file.isValid(): ini_dict = ini_file.getContent() self.setOutputValue('QUERY_STRING', ini_dict['metadata']['query']) for layer in self.LAYERS: csv = ini_dict['layers'][layer]['columns'] self.setOutputValue(self.WHITE_LIST[layer], csv)