Finding unused Robot Framework user keywords

find_unused.py

import sys
from robotide.controller.chiefcontroller import ChiefController
from robotide.controller.commands import NullObserver
from robotide.controller.filecontrollers import DirectoryController
from robotide.namespace import Namespace
from robotide.spec.iteminfo import LibraryKeywordInfo
from robotide.usages.commands import FindUsages


def construct_chief_controller(datapath):
    namespace = Namespace()    
    chief = ChiefController(namespace)
    chief.load_data(datapath, NullObserver())
    return chief, namespace

if __name__ == '__main__':
    chief, namespace = construct_chief_controller(sys.argv[1])
    print 'finding unused User Keywords..'
    for keyword_info in namespace.get_all_keywords([df.data for df in chief.datafiles \
                                                    if not isinstance(df, DirectoryController)]):
        if not isinstance(keyword_info, LibraryKeywordInfo) and keyword_info.name:
            try:
                chief.execute(FindUsages(keyword_info.name, keyword_info=keyword_info)).next()
            except StopIteration:
                print 'Source: %s  Keyword: "%s"' % (keyword_info.item.source, keyword_info.name)
    print 'find end'

Is this project still being followed?
I try to do the same thing but under python 3!
Is there an updated project that would do the same today?

RIDE should have this functionality for the past 8-10 years