def handle_parent(repo, **kwargs):
    log.info('parent: %s %s' %(repo, kwargs))
    _parent = repo.parent()
    if _parent:
        return [_parent.serialize()]
Called when a subscribe request has been received.
dataset/ETHPy150Open rsgalloway/grit/grit/server/handler.py/handle_parent--crossover with--dataset/ETHPy150Open ralphm/wokkel/wokkel/iwokkel.py/IPubSubResource.subscribe