FTP Offset larger than file.

[Bakes]

On 28 July, 15:01, Hrvoje Niksic <hnik... at xemacs.org> wrote:
> Bakes <ba... at ymail.com> writes:
> > The error I get is:
> > ftplib.error_temp: 451-Restart offset 24576 is too large for file size
> > 22852.
> > 451 Restart offset reset to 0
> > which tells me that the local file is larger than the external file,
> > by about a kilobyte. Certainly, the local file is indeed that size, so
> > my local script is doing the right things. I do wonder what is going
> > wrong, can anyone enlighten me?
>
> I'd say you failed to take buffering into account.  You write into a
> buffered file, yet you use os.path.getsize() to find out the current
> file size.  If the data is not yet flushed, you keep re-reading the same
> stuff from the remote file, and writing it out.  Once the buffer is
> flushed, your file will contain more data than was retrieved from the
> remote side, and eventually this will result in the error you see.
>
> As a quick fix, you can add a file.flush() line after the
> file.write(...) line, and the problem should go away.

Thank you very much, that worked perfectly.