docs: def get_repository_ids_by_asset(self, asset_id):
          """Gets the list of ``Repository``  ``Ids`` mapped to an ``Asset``.
  
          arg:    asset_id (osid.id.Id): ``Id`` of an ``Asset``
          return: (osid.id.IdList) - list of repository ``Ids``
          raise:  NotFound - ``asset_id`` is not found
          raise:  NullArgument - ``asset_id`` is ``null``
          raise:  OperationFailed - unable to complete request
          raise:  PermissionDenied - authorization failure
          *compliance: mandatory -- This method must be implemented.*
  
          """
          # Implemented from template for
          # osid.resource.ResourceBinSession.get_bin_ids_by_resource
          mgr = self._get_provider_manager('REPOSITORY', local=True)
          lookup_session = mgr.get_asset_lookup_session(proxy=self._proxy)
          lookup_session.use_federated_repository_view()
          asset = lookup_session.get_asset(asset_id)
          id_list = []
          for idstr in asset._my_map['assignedRepositoryIds']:
              id_list.append(Id(idstr))
          return IdList(id_list)