Getting one character at a time from sockets

[penman]

In article <95q044$2f9$1 at nnrp1.deja.com>,
  penman <pen_man at my-deja.com> wrote:
> Using ordinary TCP/IP sockets with the socket module in Python, I need
> to get a single character at a time from the client; something
> like "talk" in unix. How could I do that? (should be platform
> independent if possible)
>
> recv(1) didn't work. It waited till the carriage return came in. (non-
> blocking didn't work either)
>
> Thanks in advance.
>

What I am trying to do is a text editor, something like vi, on the
client side, in a BBS for telnet connections. When the client
pushes "i" without CR, the server has to notice it and send some
special characters to move the cursor up one line.


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