Rename races in Remnants of the Precursors

rotp_race_rename.py

#!/usr/bin/env python3
# (Requires Python 3.8 or later.)
#
# This script edits a JAR distribution of Remnants of the Precursors
# to rename the game's races. Edit `replacements` below to set
# the new names, or comment out a line to leave that race alone.
# Only English names are changed.
#
# This script was tested with RotP version 1.04.
#
# Usage: python3 rotp_race_rename.py INPUT_JAR_PATH OUTPUT_JAR_PATH

import sys, re
from zipfile import ZipFile as ZF

input_path, output_path = sys.argv[1:]

replacements = dict(

    Altairi = 'New_Name_0',
    Ursinathi = 'New_Name_1',
    Nazlok = 'New_Name_2',
    Human = 'New_Name_3',
    Kholdan = 'New_Name_4',
    Meklonar = 'New_Name_5',
    Fiershan = 'New_Name_6',
    Mentaran = 'New_Name_7',
    Ssslaura = 'New_Name_8',
    Cryslonoid = 'New_Name_9',

)

with ZF(input_path, 'r') as inp, ZF(output_path, 'w') as out:

    old_names = {
        m.group(1):
            re.search(r'\nname: (\S+?),', inp.read(item).decode('UTF-8')).group(1)
        for item in inp.namelist()
        for m in [re.fullmatch(
            r'rotp/lang/en/races/([^./]+)\.names\.txt',
            item)]
        if m}

    for item in inp.namelist():
        x = inp.read(item)
        m = re.fullmatch(
            r'rotp/lang/en/races/([^./]+)\.(intro|labels|names)\.txt',
            item)
        if m and (old_name := old_names[m.group(1)]) in replacements:
            x = re.sub(old_name, replacements[old_name], x.decode('UTF-8'))
        out.writestr(item, x)