Stellaris Savegame Packer

#!/usr/bin/env python

import sys
import zipfile

gameFiles = ("meta", "gamestate")
outFile = "game.sav"
gfPath = "."

gameData = {}
for gameFile in (gameFiles):
    with open(gfPath + "/" + gameFile, 'rb') as curFile:
        gameData[gameFile] = curFile.read()

zf = zipfile.ZipFile(outFile, mode='w')

try:
    for gameFile in gameFiles:
        info = zipfile.ZipInfo(gameFile, date_time=(1980, 0, 0, 0, 0, 0))
        info.compress_type=zipfile.ZIP_DEFLATED
        info.create_system=0
        info.create_version = 63
        info.extract_version = 20
        zf.writestr(info, gameData[gameFile])
finally:
    zf.close()