@file_updated.connect
def update_file_guid_referent(self, node, event_type, payload, user=None):
    if event_type == 'addon_file_moved' or event_type == 'addon_file_renamed':
        source = payload['source']
        destination = payload['destination']
        source_node = Node.load(source['node']['_id'])
        destination_node = node
        file_guids = FileNode.resolve_class(source['provider'], FileNode.ANY).get_file_guids(
            materialized_path=source['materialized'] if source['provider'] != 'osfstorage' else source['path'],
            provider=source['provider'],
            node=source_node)

        if event_type == 'addon_file_renamed' and source['provider'] in settings.ADDONS_BASED_ON_IDS:
            return
        if event_type == 'addon_file_moved' and (source['provider'] == destination['provider'] and
                                                 source['provider'] == settings.ADDONS_BASED_ON_IDS) and source_node == destination_node:
            return

        for guid in file_guids:
            obj = Guid.load(guid)
            if source_node != destination_node and Comment.find(Q('root_target', 'eq', guid)).count() != 0:
                update_comment_node(guid, source_node, destination_node)

            if source['provider'] != destination['provider'] or source['provider'] != 'osfstorage':
                old_file = FileNode.load(obj.referent._id)
                obj.referent = create_new_file(obj, source, destination, destination_node)
                obj.save()
                if old_file and not TrashedFileNode.load(old_file._id):
                    old_file.delete()
dataset/ETHPy150Open CenterForOpenScience/osf.io/website/project/views/comment.py/update_file_guid_referent/operator `in` -> `==`