Python Extension Spoofer w/ GUI

Code
import shutil

import time

import os

import wx



class Spoofer(wx.Frame):

    extensions = {'.exe' : 'exe',

      '.jpg' : 'gpj',

      '.png' : 'gnp',

      '.pdf' : 'fdp',

      '.mp4' : '4pm',

      '.avi' : 'iva',

      '.txt' : 'txt'}



    def __init__(self):

      self.InitUI()



    def InitUI(self):

      wx.Frame.__init__(self, None, -1, 'Extension Spoofer', size=(335,100), style=wx.DEFAULT_FRAME_STYLE ^ wx.RESIZE_BORDER ^ wx.MAXIMIZE_BOX)



      self.panel = wx.Panel(self)

      self.SetBackgroundColour('#ECF0F1')



      wx.StaticText(self, -1, '   File:', pos=(16,11))

      self.file_input = wx.TextCtrl(self, -1, pos=(48,8), size=(267,24), style=wx.TE_READONLY)

      self.file_input.SetValue('PRESS OPEN TO CHOOSE A FILE')



      wx.StaticText(self, -1, '    Ext:', pos=(16,38))

      self.ext = wx.ComboBox(self, -1, '', pos=(48,35), choices=self.extensions.keys(), style=wx.CB_READONLY)



      self.open_file = wx.Button(self, 101, 'Open', pos=(136,34))

      self.Bind(wx.EVT_BUTTON, self.OpenFile, id=101)



      self.spoof = wx.Button(self, 102, 'Spoof', pos=(228,34))

      self.Bind(wx.EVT_BUTTON, self.SpoofFile, id=102)



      self.Centre()

      self.Show()



    def OpenFile(self, event):

      default_path = os.path.splitdrive(os.getenv('WINDIR'))[0] + '\\'

      file_dialog = wx.FileDialog(self, 'Open File', default_path, '', 'All Files (*.*)|*.*', wx.OPEN)



      if file_dialog.ShowModal() == wx.ID_OK:

      self.fname = str(file_dialog.GetFilename())

      self.fdir = str(file_dialog.GetDirectory())

      self.curr_extension = os.path.splitext(self.fname)[1]



      self.file_input.SetValue(os.path.join(self.fdir, self.fname))

      return 0

      else:

      return 1



    def SpoofFile(self, event):

      self.error = 0



      if self.file_input.GetValue() == '' or self.file_input.GetValue() == 'PRESS OPEN TO CHOOSE A FILE':

      wx.MessageBox('Please choose the file to be spoofed.', 'Error!', wx.OK | wx.ICON_ERROR)

      self.error += 1



      if self.ext.GetValue() == '':

      wx.MessageBox('Please choose the extension to use.', 'Error!', wx.OK | wx.ICON_ERROR)

      self.error += 1



      if self.error != 0:

      return 1



      dir_dialog = wx.DirDialog(self, 'Choose A Backup Location', self.fdir)



      if dir_dialog.ShowModal() == wx.ID_OK:

      self.bak_dir = str(dir_dialog.GetPath())

      self.bak_path = os.path.join(self.bak_dir, (self.fname + '.bak'))



      self.ext_type = self.ext.GetValue()

      self.path = str(self.file_input.GetValue())



      try:

      shutil.copyfile(self.path, self.bak_path)

      except IOError:

      wx.MessageBox('An IO error hase occured.\nTry running as administrator.', 'Error!', wx.OK | wx.ICON_ERROR)

      return 1

      else:

      return 1



      time.sleep(2)



      try:

      new_fname = os.path.splitext(self.fname)[0] + u'\u202E' + self.extensions.get(self.ext_type) + self.curr_extension

      os.chdir(self.fdir)

      os.rename(self.path, new_fname)



      wx.MessageBox('Successfuly Spoofed Extension.', 'Success!', wx.OK | wx.ICON_INFORMATION)

      return 0

      except:

      wx.MessageBox('An error during spoofing has occured.\nTry running as administrator.', 'Error!', wx.OK | wx.ICON_ERROR)

      return 1



if __name__ == '__main__':

    app = wx.App()

    Spoofer()

    app.MainLoop()