Frank Millman frank at chagford.com
Wed Jan 15 08:31:15 EST 2014

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"Chris Angelico" <rosuav at gmail.com> wrote in message 
news:CAPTjJmpb6yr-VpWypbJQn0a=pNjvNV2CchVBZaK+v_5JoSQOBg at mail.gmail.com...
> You just run a loop like this:
>
> buffer = b''
>
> def gets():
>    while '\n' not in buffer:
>        data = sock.recv(1024)
>        if not data:
>            # Client is disconnected, handle it gracefully
>            return None # or some other sentinel
>    line, buffer = buffer.split(b'\n',1)
>    return line.decode().replace('\r', '')
>

I think you may have omitted a line there -

def gets():
    while '\n' not in buffer:
        data = sock.recv(1024)
        if not data:
            # Client is disconnected, handle it gracefully
            return None # or some other sentinel
#-->
        buffer = buffer + data
#-->
    line, buffer = buffer.split(b'\n',1)
    return line.decode().replace('\r', '')

Also, as I am looking at it, I notice that the second line should say -

    while b'\n' not in buffer:

I feel a bit guilty nitpicking, as you have provided a wonderfully 
comprehensive answer, but I wanted to make sure the OP did not get confused.

Frank Millman

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