Okay, found it on my own. ftp.voidresp() is what is needed, and it
does _not_ seem to be in the Python documentation for ftplib.
On Jan 8, 1:58 pm, Brendan <brendandetra...@yahoo.com> wrote:
> I am trying to download a file within a very large zipfile. I need two
> partial downloads of the zipfile. The first to get the file byte
> offset, the second to get the file itself which I then inflate.
>
> I am implementing the partial downloads as follows:
>
> con = ftp.transfercmd('RETR ' + filename, rest_offset) # the data
> socket
> while True:
> block = con.recv(blocksize)
> # stop transfer while it isn't finished yet
> if bytes_recv >= buf_length:
> break
> elif not block:
> break
> buf = ''.join([buf, block])
> bytes_recv += len(block)
> con.close()
>
> My problem is that even though the socket is closed, I have no way to
> receive the 226 response from server so I can proceed with the next
> download. Of course I could close the ftp connection entirely and
> open a new one, but I am hoping to avoid doing so.
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