def get_repositories_by_asset(self, asset_id):
        """Gets the list of ``Repository`` objects mapped to an ``Asset``.

        arg:    asset_id (osid.id.Id): ``Id`` of an ``Asset``
        return: (osid.repository.RepositoryList) - list of repositories
        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_bins_by_resource
        mgr = self._get_provider_manager('REPOSITORY', local=True)
        lookup_session = mgr.get_repository_lookup_session(proxy=self._proxy)
        return lookup_session.get_repositories_by_ids(
            self.get_repository_ids_by_asset(asset_id))
Gets the list of ``Repository`` objects mapped to an ``Asset``.

        arg:    asset_id (osid.id.Id): ``Id`` of an ``Asset``
        return: (osid.repository.RepositoryList) - list of repositories
        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.*