code: def _load_clublogXML(self,
                          url="https://secure.clublog.org/cty.php",
                          apikey=None,
                          cty_file=None):
          
  
          if self._download:
              cty_file = self._download_file(
                      url = url,
                      apikey = apikey)
          else:
              cty_file = self._lib_filename
  
          header = self._extract_clublog_header(cty_file)
          cty_file = self._remove_clublog_xml_header(cty_file)
          cty_dict = self._parse_clublog_xml(cty_file)
  
          self._entities = cty_dict["entities"]
          self._callsign_exceptions = cty_dict["call_exceptions"]
          self._prefixes = cty_dict["prefixes"]
          self._invalid_operations = cty_dict["invalid_operations"]
          self._zone_exceptions = cty_dict["zone_exceptions"]
  
          self._callsign_exceptions_index = cty_dict["call_exceptions_index"]
          self._prefixes_index = cty_dict["prefixes_index"]
          self._invalid_operations_index = cty_dict["invalid_operations_index"]
          self._zone_exceptions_index = cty_dict["zone_exceptions_index"]
  
          return True
docs: Load and process the ClublogXML file either as a download or from file