How to use the betterbib.tools function in betterbib

def test():
    assert (
        betterbib.tools._translate_title(
            "The Magnus expansion and some of its applications"
        )
        == "The {Magnus} expansion and some of its applications"
    )

    assert (
        betterbib.tools._translate_title("VODE: a variable-coefficient ODE solver")
        == "{VODE:} {A} variable-coefficient {ODE} solver"
    )

    assert (
        betterbib.tools._translate_title(
            "Peano's kernel theorem for vector-valued functions"
        )
        == "{Peano's} kernel theorem for vector-valued functions"
    )

executor.submit(source.find_unique, entry): (bib_id, tools.decode(entry))
            for bib_id, entry in d.items()
        }
        for future in tqdm(
            concurrent.futures.as_completed(responses), total=len(responses)
        ):
            bib_id, entry = responses[future]
            try:
                data = future.result()
            except (errors.NotFoundError, errors.UniqueError):
                pass
            except errors.HttpError as e:
                print(e.args[0])
            else:
                num_success += 1
                d[bib_id] = tools.update(entry, data)

    print("\n\nTotal number of entries: {}".format(len(d)))
    print("Found: {}".format(num_success))
    return d

def sync(d, source, long_journal_name, max_workers):
    if source == "crossref":
        source = crossref.Crossref(long_journal_name)
    else:
        assert source == "dblp", "Illegal source."
        source = dblp.Dblp()

    print()

    num_success = 0
    with concurrent.futures.ThreadPoolExecutor(max_workers=max_workers) as executor:
        responses = {
            executor.submit(source.find_unique, entry): (bib_id, tools.decode(entry))
            for bib_id, entry in d.items()
        }
        for future in tqdm(
            concurrent.futures.as_completed(responses), total=len(responses)
        ):
            bib_id, entry = responses[future]
            try:
                data = future.result()
            except (errors.NotFoundError, errors.UniqueError):
                pass
            except errors.HttpError as e:
                print(e.args[0])
            else:
                num_success += 1
                d[bib_id] = tools.update(entry, data)