@utilities.arguments_not_none<EOL><INDENT>def get_asset_ids_by_repository(self, repository_id):<DEDENT>
<EOL>id_list = []<EOL>for asset in self.get_assets_by_repository(repository_id):<EOL><INDENT>id_list.append(asset.get_id())<EOL><DEDENT>return IdList(id_list)<EOL>
Gets the list of ``Asset``  ``Ids`` associated with a ``Repository``.

        arg:    repository_id (osid.id.Id): ``Id`` of the ``Repository``
        return: (osid.id.IdList) - list of related asset ``Ids``
        raise:  NotFound - ``repository_id`` is not found
        raise:  NullArgument - ``repository_id`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure
        *compliance: mandatory -- This method must be implemented.*