def untar(self, tar_file, destination):
        total_size = os.path.getsize(tar_file)

        class MyFileObj(file):
            def read(self, size):
                status = "Extracting: %s (%s bytes) [%3.2f%%]" % (os.path.basename(tar_file), total_size, self.tell() * 100. / total_size)
                status = status + chr(8)*(len(status)+1)
                print(status, end="")
                sys.stdout.flush()
                return file.read(self, size)

        tar = tarfile.open(fileobj=MyFileObj(tar_file))
        tar.extractall(destination)
        num_files = len(tar.getmembers())
        tar.close()
        return num_files



Traceback (most recent call last):
  File "./manage.py", line 32, in <module>
    main()
  File "./manage.py", line 22, in main
    addon.get(args[2], args[3])
  File "/home/srcds/newservers/libmanage.py", line 83, in get
    num_files = self.untar(file_path, ADDONS+name+'/')
  File "/home/srcds/newservers/libmanage.py", line 128, in untar
    class MyFileObj(file):
NameError: global name 'file' is not defined