code: def get_asset_admin_session_for_repository(self, repository_id=None, proxy=None):
          
          asset_lookup_session = self._provider_manager.get_asset_lookup_session_for_repository(
              repository_id, proxy)
          return AssetAdminSession(
              self._provider_manager.get_asset_admin_session_for_repository(repository_id,
                                                                            proxy),
              self._config_map,
              asset_lookup_session)
docs: Gets an asset administration session for the given repository.
  
          arg:    repository_id (osid.id.Id): the ``Id`` of the repository
          arg:    proxy (osid.proxy.Proxy): a proxy
          return: (osid.repository.AssetAdminSession) - an
                  ``AssetAdminSession``
          raise:  NotFound - ``repository_id`` not found
          raise:  NullArgument - ``repository_id`` or ``proxy`` is
                  ``null``
          raise:  OperationFailed - unable to complete request
          raise:  Unimplemented - ``supports_asset_admin()`` or
                  ``supports_visible_federation()`` is ``false``
          *compliance: optional -- This method must be implemented if
          ``supports_asset_admin()`` and ``supports_visible_federation()``
          are ``true``.*