main.py

import tkinter as tk
from tkinter import messagebox
import requests
import json
import threading
import shutil
import hashlib
import zipfile
import io
import subprocess
import sys
import os
import configparser

window = tk.Tk()

textbox = tk.Text()
textbox.bind("<Key>", lambda e: "break")
install_button = tk.Button(text="Install Repentogon Launcher")
uninstall_button = tk.Button(text="Uninstall old Repentogon")


def perform_install():
    global textbox
    global install_button
    global uninstall_button

    try:
        if not os.path.isfile("isaac-ng.exe"):
            messagebox.showinfo("That's not where this goes!", "Installation must be performed from the game's directory!")
            raise Exception("Installation must be performed from the game's directory!")

        textbox.insert("end", "Fetching latest release from GitHub...\n")
        with requests.get(
            "https://api.github.com/repos/TeamREPENTOGON/Launcher/releases/latest", #no longer downloads rgon, it moves you towards the launcher, which now downloads rgon, if you want to play rgon on rep just manually download and install the latest repentance rgon version (1.0.12e)
            headers={
                "User-Agent": "REPENTOGON",
                "Accept": "application/vnd.github+json",
                "X-Github-Api-Version": "2022-11-28",
            },
        ) as r:
            doc = json.loads(r.text)

        hash_url = ""
        zip_url = ""

        for asset in doc["assets"]:
            if asset["name"] == "hash.txt":
                hash_url = asset["browser_download_url"]
            if asset["name"] == "REPENTOGONLauncher.zip":
                zip_url = asset["browser_download_url"]

        textbox.insert("end", "Fetching hash...\n")

        with requests.get(hash_url) as r:
            hash = r.text.lower().rstrip()

        hash = r.text.lower().rstrip()

        textbox.insert("end", "Downloading...\n")
        with requests.get(zip_url, stream=True) as r:
            zip = io.BytesIO(r.content)

        textbox.insert("end", "Hashing...\n")
        calculated_hash = hashlib.sha256(zip.getbuffer()).hexdigest()

        if hash != calculated_hash:
            raise Exception(
                f"Invalid hash, download is corrupt!\nExpected hash: {hash}\nCalculated hash: {calculated_hash}"
            )

        textbox.insert("end", "Extracting...\n")

        with zipfile.ZipFile(zip, "r") as zip_ref:
            zip_ref.extractall("REPENTOGONLauncher") # added path so it doesnt extract directly to the game folder, which can be problematic for the launcher

        if not os.path.isfile("dsound.ini"):
            textbox.insert("end", "Creating dsound.ini...\n")
            config = configparser.ConfigParser()
            config.optionxform = str

            config["Options"] = {
                "CheckForUpdates": (
                    "1"
                    if messagebox.askquestion(
                        "REPENTOGON Updater",
                        "Would you like REPENTOGON to automatically check for updates on game start?\n(We highly recommend saying yes here, we're probably gonna have a lot of them.)",
                    )
                    == "yes"
                    else "0"
                )
            }

            config["internal"] = {"RanUpdater": "0"}

            with open("dsound.ini", "w") as configfile:
                config.write(configfile)
        if getattr(sys, 'frozen', False):
            # Running as compiled executable
            BASE_DIR = os.path.dirname(sys.executable)
        else:
            # Running as script
            BASE_DIR = os.path.dirname(os.path.abspath(__file__))
        
        os.chdir(BASE_DIR)
        textbox.insert("end", "Finished! \n")
        target = os.path.abspath(os.path.join(BASE_DIR, "REPENTOGONLauncher", "REPENTOGONLauncher.exe"))
        textbox.insert("end", "Launcher installed to: " + target  + "\n")
        if os.name == "nt":  # check if win create desktop shortcut to the launcher if not pengu
            import win32com.client
            desktop = os.path.join(os.path.join(os.environ['USERPROFILE']), 'Desktop')
            if not os.path.exists(desktop):
                desktop = os.path.join(os.path.expanduser("~"), "Desktop")
                if not os.path.exists(desktop):
                    onedrive = os.path.join(os.path.expanduser("~"), "OneDrive", "Desktop")
                    if os.path.exists(onedrive):
                        desktop = onedrive
            shortcut_path = os.path.join(desktop, "REPENTOGON.lnk")
            shell = win32com.client.Dispatch('WScript.Shell')
            shortcut = shell.CreateShortCut(shortcut_path)
            shortcut.Targetpath = target
            shortcut.WorkingDirectory = os.path.dirname(target)
            shortcut.IconLocation = target
            shortcut.save()	
            messagebox.showinfo("New Repentogon Launcher!", "From now on, you should use the RepentogonLauncher to play Repentogon!, a shortcut to it has been added to your desktop!. \n MAKE SURE TO GET REPENTANCE+ BEFORE RUNNING IT! \n For more info Check our Guide in Repentogon.com!")
        else:
            messagebox.showinfo("New Repentogon Launcher!", "From now on, you should use the RepentogonLauncher to play Repentogon!, \n MAKE SURE TO GET REPENTANCE+ BEFORE RUNNING IT! \n For more info Check our Linux Guide in Repentogon.com!")
		#if len(sys.argv) > 1 and "-auto" in sys.argv:
        #    new_args = sys.argv
        #    new_args.remove("-auto")
        #    new_args.insert(0, "isaac-ng.exe")
        #    subprocess.Popen(new_args, start_new_session=True)
        #    os._exit(0)

    except Exception as e:
        textbox.insert("end", "Failed to install!\n" + str(e) + "\n")

    install_button["state"] = "disabled"
    uninstall_button["state"] = "normal"
    install_button["text"] = "Install Repentogon Launcher"


def perform_uninstall():
    global install_button
    global uninstall_button
    global textbox

    try:
        files = [
            "dsound.dll",
            "freetype.dll",
            "libzhl.dll",
            "Lua5.4.dll",
            "zhlREPENTOGON.dll",
            "dsound.log",
            "repentogon.log",
            "zhl.log",
            "resources/scripts/main_ex.lua",
            "resources/scripts/enums_ex.lua",
            "resources/scripts/pysireffer.py",  # we really don't need to ship this anymore, do we?
            "resources/scripts/repentogon_extras",
            "resources/scripts/repentogon_tests",
            "resources/rooms/26.The Void_ex.stb",
            "resources/shaders/coloroffset_gold_mesafix.fs",
            "resources/shaders/coloroffset_gold_mesafix.vs",
            "resources-repentogon",
        ]

        cleanup_dirs = ["resources/rooms", "resources/shaders"]

        if not os.path.isfile("isaac-ng.exe"):
            raise Exception(
                "Uninstallation must be performed from the game's directory!"
            )
            return

        for file in files:
            try:
                if os.path.isfile(file):
                    os.remove(file)
                    textbox.insert("end", f"Successfully removed {file}\n")
                elif os.path.isdir(file):
                    shutil.rmtree(file)
                    textbox.insert("end", f"Successfully removed directory {file}\n")

            except FileNotFoundError:
                pass

        for directory in cleanup_dirs:
            if os.path.isdir(directory) and not os.listdir(directory):
                shutil.rmtree(directory)
                textbox.insert("end", f"{directory} empty, removing\n")

        textbox.insert("end", "Finished!")

    except Exception as e:
        textbox.insert("end", "Failed to uninstall!\n" + str(e) + "\n")

    install_button["state"] = "normal"
    uninstall_button["state"] = "normal"
    uninstall_button["text"] = "Uninstall"


def install():
    global install_button
    global uninstall_button
    global textbox

    install_button["state"] = "disabled"
    uninstall_button["state"] = "disabled"
    install_button["text"] = "Installing REPENTOGON Launcher..."
    textbox.delete(1.0, tk.END)
    t = threading.Thread(target=perform_install, daemon=True)
    t.start()


def uninstall():
    global install_button
    global uninstall_button
    global textbox

    install_button["state"] = "disabled"
    uninstall_button["state"] = "disabled"
    uninstall_button["text"] = "Uninstalling..."
    textbox.delete(1.0, tk.END)

    t = threading.Thread(target=perform_uninstall, daemon=True)
    t.start()


window.title("REPENTOGON Installer")

tk.Label(text="Welcome to the REPENTOGON Installer!").pack()

install_button["command"] = install
install_button.pack()

uninstall_button["command"] = uninstall
uninstall_button.pack()

textbox.pack()

if len(sys.argv) > 1 and "-auto" in sys.argv:
    t = threading.Thread(target=perform_install, daemon=True)
    t.start()

window.mainloop()