Sublime text toggle menu plugin with ctypes

# toggleMenubar plugin v1.0.0
#
# example keybinding:
# <binding key="leftalt+m" command="toggleMenubar"/>
#
# Known issues:
#   menu hidden by fullscreen mode can't be shown again
#   saving any file makes toggleMenubar backup hwnd, hmenu and show

import sublime, sublimeplugin, os
from ctypes import *

firstRun = 1
show  = 1
hwnd  = windll.User32.GetActiveWindow()
hmenu = windll.User32.GetMenu(hwnd)

def loadGlobals():
    if os.path.isfile("toggleMenubar.tmp"):
        file = open("toggleMenubar.tmp", 'r')
        try:
            globals()["hmenu"] = int(file.readline())
            globals()["hwnd"]  = int(file.readline())
            globals()["show"]  = int(file.readline())
        except:
            pass
        file.close()
        os.remove("toggleMenubar.tmp")
    else:
        globals()["hwnd"]  = windll.User32.GetActiveWindow()
        globals()["hmenu"]  = windll.User32.GetMenu(globals()["hwnd"])

class toggleMenubarCommand(sublimeplugin.TextCommand):
    def run(self, view, args):
        if globals()["firstRun"]:
            globals()["firstRun"] = 0
            globals()["show"]  = 1
            globals()["hwnd"]  = windll.User32.GetActiveWindow()
            globals()["hmenu"] = windll.User32.GetMenu(globals()["hwnd"])

        if globals()["hmenu"] == 0 or globals()["hwnd"] == 0:
            loadGlobals()

        newMenu = windll.User32.GetMenu(hwnd)
        if newMenu != 0 and newMenu != globals()["hmenu"]:
            globals()["hmenu"] = newMenu

        if show:
            windll.User32.SetMenu(globals()["hwnd"], 0)
            globals()["show"] = 0
        else:
            windll.User32.SetMenu(globals()["hwnd"], globals()["hmenu"])
            globals()["show"] = 1

class toggleMenubarSecure(sublimeplugin.Plugin):
    def onPreSave(self, view):
        file = open("toggleMenubar.tmp", 'w')

        file.write(str(globals()["hmenu"]))
        file.write("\n")

        file.write(str(globals()["hwnd"]))
        file.write("\n")

        file.write(str(globals()["show"]))
        file.close()