FTPUTIL WITH TKFILEDIALOG

[veki]

HI,ALL I am new ftputil user and I need help about something:
my prog:

import tkFileDialog
import ftputil
name=tkFileDialog.askopenfile()
ftp=ftputil.FTPHost() #Please when you want try this prog use your ftp server nesto1=name.name
ftp.upload(nesto1,nesto1,'b')

ERROR IS:

Traceback (most recent call last):
File "<pyshell#6>", line 1, in -toplevel-
ftp.upload(nesto1,nesto1,'b')
File "C:\Python24\lib\ftputil.py", line 463, in upload
self.__copy_file(source, target, mode, open, self.file)
File "C:\Python24\lib\ftputil.py", line 452, in
__copy_file
target = target_open(target, target_mode)
File "C:\Python24\lib\ftputil.py", line 282, in file
raise ftp_error.FTPIOError("directory '%s' is not
accessible" %
FTPIOError: directory '/C:/Python24' is not accessible
THANKS!!!!!!!!!!!!!!