starting_levels.py

import re
import os
import shutil
import zipfile

if not os.path.exists("tmp"):
    os.makedirs("tmp")

all_gros = [f for f in os.listdir("Talos Workshop Backup") if f.endswith(".gro")]
all_levels = {}
for gro in all_gros:
    shutil.copyfile("Talos Workshop Backup/" + gro, "tmp/" + gro[:-4] + ".zip")
    try:
        zip = zipfile.ZipFile("tmp/" + gro[:-4] + ".zip")
    except zipfile.BadZipFile:
        print("not a zip: " + gro)
        continue
    
    for info in zip.infolist():
        if re.match(r'.*\.nfo$', info.filename, flags=re.I):
            zip.extract(info, path="tmp/")
            shutil.move("tmp/" + info.filename, "tmp/nfo.txt")
            data = open("tmp/nfo.txt", "rb").read()
            level = re.search(b"FIRSTLEVEL=['\"](.*?)['\"]", data, flags=re.I)
            name = re.search(b"NAME=['\"](.*?)['\"]", data, flags=re.I)
            if level != None:
                if name == None:
                    name = "???"
                all_levels[name.group(1).decode("utf-8").split("=")[-1]] = level.group(1).decode("utf-8")

print("")
for k in all_levels:
    print(k + ": " + all_levels[k])