code: def make_access_urls(self, catalog_url, all_services, metadata=None):
          
          all_service_dict = CaseInsensitiveDict({})
          for service in all_services:
              all_service_dict[service.name] = service
              if isinstance(service, CompoundService):
                  for subservice in service.services:
                      all_service_dict[subservice.name] = subservice
  
          service_name = metadata.get('serviceName', None)
  
          access_urls = CaseInsensitiveDict({})
          server_url = _find_base_tds_url(catalog_url)
  
          # process access urls for datasets that reference top
          # level catalog services (individual or compound service
          # types).
          if service_name in all_service_dict:
              service = all_service_dict[service_name]
              if service.service_type != 'Resolver':
                  # if service is a CompoundService, create access url
                  # for each SimpleService
                  if isinstance(service, CompoundService):
                      for subservice in service.services:
                          server_base = urljoin(server_url, subservice.base)
                          access_urls[subservice.service_type] = urljoin(server_base,
                                                                         self.url_path)
                  else:
                      server_base = urljoin(server_url, service.base)
                      access_urls[service.service_type] = urljoin(server_base, self.url_path)
  
          # process access children of dataset elements
          for service_type in self.access_element_info:
              url_path = self.access_element_info[service_type]
              if service_type in all_service_dict:
                  server_base = urljoin(server_url, all_service_dict[service_type].base)
                  access_urls[service_type] = urljoin(server_base, url_path)
  
          self.access_urls = access_urls
docs: Make fully qualified urls for the access methods enabled on the dataset.
  
          Parameters
          ----------
          catalog_url : str
              The top level server url
          all_services : List[SimpleService]
              list of :class:`SimpleService` objects associated with the dataset
          metadata : dict
              Metadata from the :class:`TDSCatalog`