Python script to automatically update the Steam version of ClassiCube to the latest dev build once opened.

ClassiCube.py

import datetime
import os
import re
import requests
import subprocess
import sys
import urllib.request

from dateutil.parser import parse as parsedate

# Get the command-line arguments
args = sys.argv[1:]

# Define variables
pattern_URL = r"[Mm][Cc]://((?:\d{1,3}\.){3}\d{1,3}):(\d{1,5})/([A-Za-z0-9.]{2,16})/([a-f0-9]{32})/?"
pattern_Username = r"[A-Za-z0-9._]{2,16}"
pattern_MPPass = r"[a-f0-9]{32}"
pattern_IP = r"(?:\d{1,3}\.){3}\d{1,3}"
pattern_Port = r"\d{1,5}"
url = "https://cdn.classicube.net/client/latest/cc-w64-d3d11.exe"
dstFile = "C:\\Program Files (x86)\\Steam\\steamapps\\common\\ClassiCube\\ClassiCube.exe"

# Request file headers for datetime checking
r = requests.head(url, allow_redirects=True)
url_date = parsedate(r.headers['Last-Modified']).astimezone()
file_time = datetime.datetime.fromtimestamp(os.path.getmtime(dstFile)).astimezone()

# Download new file if there is an update
if url_date > file_time:
    print("Updating ClassiCube...")
    urllib.request.urlretrieve(url, dstFile)
    os.utime(dstFile, (int(url_date.timestamp()), int(url_date.timestamp())))
    print("Update complete! Starting ClassiCube...")

# Check the number of arguments
if len(args) == 1:  # 1 Argument, most likely an mc:// URL
    match_URL = re.match(pattern_URL, args[0])
    if match_URL:
        IP_Address, Port, Username, MPPass = match_URL.groups()
elif len(args) == 4:  # 4 Arguments, most likely default run arguments
    match_Username = re.search(pattern_Username, args[0])
    match_MPPass = re.search(pattern_MPPass, args[1])
    match_IP = re.search(pattern_IP, args[2])
    match_Port = re.search(pattern_Port, args[3])
    if match_Username and match_MPPass and match_IP and match_Port:
        Username = match_Username.group()
        MPPass = match_MPPass.group()
        IP_Address = match_IP.group()
        Port = match_Port.group()

# Run ClassiCube
try:
    subprocess.Popen([r'C:\Program Files (x86)\Steam\steam.exe', '-applaunch', '1065710', Username, MPPass, IP_Address, Port])
except NameError:
    subprocess.Popen([r'C:\Program Files (x86)\Steam\steam.exe', '-applaunch', '1065710'])