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
from appdirs import AppDirs

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)
        file = urllib.request.urlopen(LatestRelAssetsURL)
        print(file.length)
        
        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\\"
dirs = AppDirs(roaming=True)

AppdataPATH = dirs.user_data_dir  + "\\OpenGOAL-UnofficalModLauncher\\"
print(AppdataPATH)

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


downloadNewestmod()

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