Update.py

import tkinter as tk
import requests
from threading import Thread
from tkinter import messagebox as mb
import time
import sys
import os
import errno

root = tk.Tk()
root.title("TechOS Update")
root.attributes("-fullscreen", True)
root.config(bg="#00afff", cursor="none")

step = tk.StringVar()
step.set("Starting Update...")

percentage = tk.StringVar()
percentage.set("0%")

updating = tk.Label(root, bg="#00afff", text="\n\n\n\n\nUpdating...", fg="white", font="TkDefaultFont 50")
updating.pack(side="top", anchor="center", pady=20)

steplabel = tk.Label(root, bg="#00afff", textvariable=step, fg="white", font="TkDefaultFont 30")
steplabel.pack(side="top", anchor="center", pady=20)

percentlabel = tk.Label(root, bg="#00afff", textvariable=percentage, fg="white", font="TkDefaultFont 40")
percentlabel.pack(side="top", anchor="center", pady=20)

def mkdir_p(path):
    global os
    global errno
    try:
        os.makedirs(path)
    except OSError as exc:
        if exc.errno == errno.EEXIST and os.path.isdir(path):
            pass
        else: raise

def sow(path):
    global mkdir_p
    mkdir_p(os.path.dirname(path))
    return open(path, 'w')

def sowb(path):
    global mkdir_p
    mkdir_p(os.path.dirname(path))
    return open(path, 'wb')

def processcmd(cmd):
    params = cmd.split("|")
    if params[0] == "update" or params[0] == "updatefile":
        try:
            rawcode = requests.get(params[2]).text
            programfile = sowb(params[1])
            programfile.write(bytes(rawcode, "UTF-8"))
            programfile.close()
        except:
            updating.config(text="\n\n\n\n\nUpdate failed")
            step.set("The update seems to have invalid format.\nPlease contact Techpad for help.")
            percentage.set("Closing in 5...")
            time.sleep(1)
            percentage.set("Closing in 4...")
            time.sleep(1)
            percentage.set("Closing in 3...")
            time.sleep(1)
            percentage.set("Closing in 2...")
            time.sleep(1)
            percentage.set("Closing in 1...")
            time.sleep(1)
            root.destroy()
            sys.exit()
    else:
        updating.config(text="\n\n\n\n\nUpdate failed")
        step.set("The TechOS updater might be out of date.\nPlease contact Techpad for help.")
        percentage.set("Closing in 5...")
        time.sleep(1)
        percentage.set("Closing in 4...")
        time.sleep(1)
        percentage.set("Closing in 3...")
        time.sleep(1)
        percentage.set("Closing in 2...")
        time.sleep(1)
        percentage.set("Closing in 1...")
        time.sleep(1)
        root.destroy()
        sys.exit()

def startupdate():
    try:
        step.set("Checking latest update...")

        cupfile = open("T:/TechOS/Virtual/Info/Version.info", "r")
        currentupdate = int(cupfile.read())
        cupfile.close()
        latestupdate = int(requests.get("https://pastebin.com/raw/BLuxc2Lm").text)

        if currentupdate < latestupdate:
            percentage.set("1%")
            step.set("Getting update information...")

            nextupdate = currentupdate + 1
            updateids = requests.get("https://pastebin.com/raw/M0r6cGSZ").text.replace("\r\n", "\n").split("\n")
            thisupdate = [i for i in updateids if i.startswith(str(nextupdate) + "|")][0]
            thisupdateid = thisupdate.split("|")[1]
            updateinfo = requests.get("https://pastebin.com/raw/" + thisupdateid).text
            updatecmds = updateinfo.replace("\r\n", "\n").split("\n")

            percentage.set("2%")
            step.set("Installing update...")

            percentint = 2
            percentageincrease = 98 / len(updatecmds)

            for cmd in updatecmds:
                processcmd(cmd)
                percentint += percentageincrease
                percentage.set(str(round(percentint)) + "%")

            percentage.set("100%")
            step.set("Finishing update...")

            cupfile = open("T:/TechOS/Virtual/Info/Version.info", "w")
            cupfile.write(str(nextupdate))
            cupfile.close()

            time.sleep(10)

            updating.config(text="\n\n\n\n\nUpdate complete")
            step.set("You may need to run the updater again if you are behind on updates.")
            percentage.set("Closing in 5...")
            time.sleep(1)
            percentage.set("Closing in 4...")
            time.sleep(1)
            percentage.set("Closing in 3...")
            time.sleep(1)
            percentage.set("Closing in 2...")
            time.sleep(1)
            percentage.set("Closing in 1...")
            time.sleep(1)
            root.destroy()
            sys.exit()
        elif currentupdate == latestupdate:
            mb.showinfo("Software up to date", "Your version of TechOS is already up to date.")
            root.destroy()
            sys.exit()
        else:
            print(currentupdate)
            print(latestupdate)
    except:
        updating.config(text="\n\n\n\n\nUpdate failed")
        step.set("The TechOS update failed for an unknown reason.\nPlease contact Techpad for help.")
        percentage.set("Closing in 5...")
        time.sleep(1)
        percentage.set("Closing in 4...")
        time.sleep(1)
        percentage.set("Closing in 3...")
        time.sleep(1)
        percentage.set("Closing in 2...")
        time.sleep(1)
        percentage.set("Closing in 1...")
        time.sleep(1)
        root.destroy()
        sys.exit()

Thread(target=startupdate, daemon=True).start()

root.mainloop()