code: def read_zipfile(self, encoding='utf8'):
          
          from zipfile import ZipFile
          with ZipFile(self.abspath) as zipped:
              for num, zip_name in enumerate(zipped.namelist()):
                  return zipped.open(zip_name).read().decode(encoding)
docs: READ FIRST FILE IN ZIP FILE
          :param encoding:
          :return: STRING