Launcher with autoupdater.py

# -*- coding: utf-8 -*-
"""
Created on Mon Aug 29 20:46:07 2022

@author: Zed
"""
from datetime import datetime
from os.path import exists
import json
import os
import pathlib
import progressbar
import requests
import shutil
import subprocess
import urllib

pbar = None
def show_progress(block_num, block_size, total_size):
	if total_size > 0:
		global pbar
		if pbar is None:
			pbar = progressbar.ProgressBar(maxval=total_size)
			pbar.start()

		downloaded = block_num * block_size
		if downloaded < total_size:
			pbar.update(downloaded)
		else:
			pbar.finish()
			pbar = None

def try_remove_file(file):
	if exists(file):
		os.remove(file)

def try_remove_dir(dir):
	if exists(dir):
		shutil.rmtree(dir)
		
def downloadNewestmod():
	
	InstallDir = AppdataPATH
	
	launchUrl ="https://api.github.com/repos/OpenGOAL-Unofficial-Mods/OpenGoal-ModLauncher-dev/releases"  
	r = json.loads(json.dumps(requests.get(url = launchUrl, params = {'address':"yolo"}).json()))
	LatestRel = datetime.strptime(r[0].get("published_at").replace("T"," ").replace("Z",""),'%Y-%m-%d %H:%M:%S')
	LatestRelAssetsURL = (json.loads(json.dumps(requests.get(url = r[0].get("assets_url"), params = {'address':"yolo"}).json())))[0].get("browser_download_url")

	LastWrite = datetime(2020, 5, 17)
	if (os.path.exists(AppdataPATH + "\\OpengoalModLauncher.exe")):
		LastWrite = datetime.utcfromtimestamp( pathlib.Path(AppdataPATH + "\\OpengoalModLauncher.exe").stat().st_mtime)

	
	#update checks

	needUpdate = bool((LastWrite < LatestRel))

	print("Currently installed version created on: " + LastWrite.strftime('%Y-%m-%d %H:%M:%S'))
	print("Newest version created on: " + LatestRel.strftime('%Y-%m-%d %H:%M:%S'))

	if (needUpdate):
		
		#start the actual update method if needUpdate is true
		print("Starting Update...")
		#download update from github
		# Create a new directory because it does not exist
		try_remove_dir(AppdataPATH + "/temp")
		if not os.path.exists(AppdataPATH + "/temp"):
			print("Creating install dir: " + AppdataPATH)
			os.makedirs(AppdataPATH + "/temp")

		print("Downloading update from " + LatestRelAssetsURL)
		urllib.request.urlretrieve(LatestRelAssetsURL, AppdataPATH + "/temp/OpengoalModLauncher.exe", show_progress)
		print("Done downloading")
		
		
		#delete any previous installation
		print("Removing previous installation " + AppdataPATH)
		try_remove_dir(InstallDir + "/data")
		try_remove_file(InstallDir + "/gk.exe")
		try_remove_file(InstallDir + "/goalc.exe")
		try_remove_file(InstallDir + "/extractor.exe")
		print("Extracting update")
		TempDir = InstallDir + "/temp"
		

		#delete the update archive
		try_remove_file(TempDir + "/updateDATA.zip")

		SubDir = TempDir
		print("Moving files from " + SubDir + " up to " + InstallDir)
		allfiles = os.listdir(SubDir)
		for f in allfiles:
			shutil.move(SubDir + "/" + f, InstallDir + "/" + f)
		try_remove_dir(TempDir)
		

AppdataPATH = os.getenv('APPDATA') + "\\OpenGOAL-UnofficalModLauncher\\"
print(AppdataPATH)

if os.path.exists(AppdataPATH) == False:
	print("Creating Directory " + AppdataPATH)
	os.mkdir(AppdataPATH)


downloadNewestmod()

subprocess.call([AppdataPATH + "OpengoalModLauncher.exe"])