Resuming a file download with python

[David Porter]

* Robert Harris <Robert.Harris at gmx.net>:

> I want to resume a file download with python. It would be
> either the http or ftp protocol used. How could I do it or isn't
> it possible ? I browsed through the docs of the http and ftp objects
> but didn't find anything.

Why not just use an external program, like wget? [Reinventing the wheel and
all that...]