wanted: ftp server class

[John Pote]

Hi everyone,

I have a 'client' with a built in ftp client that I wish to use to access a 
server via the internet. But I do not want to use a standard disk accessing 
ftp server as I need to do my own processing between the filesystem and the 
ftp TCP/IP port.

Can someone suggest the source of a Python ftp server class (ftplib only has 
a client class) out there. (These days I try to keep all my programming to 
Python!).

I seem to remember reading Twisted has some ftp server facilities. Does it? 
Any comments on it - easy to use, steep learning curve?

Any help appreciated,

John Pote