[Twisted-Python] Error (and response) handling in protocols

[Phil Mayers]

On 02/21/2011 06:26 AM, Jason Heeris wrote:
>
> So how I do I deal with protocol errors in a connectionless protocol?

I'm a little confused as to why this is a connectionless protocol, if 
it's talking on a serial port? Surely it's a singleton connection, with 
no connect/disconnect events?

I know next to nothing about using Twisted for serial, but why aren't 
you using a single long-lived protocol instance?