scripts/merge-csv-lists.py

#!/usr/bin/python
import argparse


def flatten_and_split(input_string):
    elements = input_string.replace("\n", "").split(",")
    flat_list = [item.strip() for element in elements for item in element.split("-")]
    return ",".join(flat_list)


def combine_and_uniquify(*inputs):
    combined_list = [
        item.strip().title() for input_list in inputs for item in input_list.split(",")
    ]
    unique_names = set(combined_list)

    final_set = set()
    for name in unique_names:
        parts = name.split()
        if len(parts) == 2:
            first, last = parts
            reversed_name = f"{last} {first}"
            # Add the name if its reversed variant is not already in the final set
            if reversed_name not in final_set:
                final_set.add(name)
        else:
            final_set.add(name)

    return ",".join(sorted(final_set))


def main():
    parser = argparse.ArgumentParser(
        description="Combine multiple comma-separated lists into one unique sorted list."
    )
    parser.add_argument("lists", nargs="+", type=str, help="Comma-separated lists.")
    args = parser.parse_args()

    processed_lists = [flatten_and_split(lst) for lst in args.lists]
    result = combine_and_uniquify(*processed_lists)
    print(result)


if __name__ == "__main__":
    main()