[Twisted-Python] Re: user interaction & the reactor
Lenny G Arbage
alengarbage at yahoo.com
Thu Dec 1 17:53:43 EST 2005
Okay, I think I've got it now. This:
combined with this:
contained some details I was woefully ignorant of.
--- Lenny G Arbage <alengarbage at yahoo.com> wrote:
> Where can I find examples or instructions on
> the reactor with [command-line] user interaction?
> I've been searching every resource I can, and know
> must be possible based on threads like this one:
> . I /can/ block on a call made from within the
> reactor while waiting for user's raw_input, but that
> doesn't allow me to give live feedback to the user
> from incoming status messages, and might cause
> problems if a large number of status messages arrive
> while the user is 'away'. All the example clients I
> can find inside of twisted are not [user-]
> (ftpclient, echoclient, simpleclient, etc). Am I
> looking in the wrong place? Have I missed a howto?
> Specifically I have a server that takes commands via
> protocol I define and a client that sends commands
> the server. The commands on the server take some
> (on the order of 20 seconds to many minutes) to
> complete or error out. Once they do, status is sent
> back to the client, i.e., the user can issue many
> commands that are concurrently 'pending', completing
> when the server sends back status.
> I've started by running the client reactor in a
> thread, and then using the main thread to get input
> from the user. Am I making this more difficult than
> it needs to be? Is there some way to integrate user
> action (keyboard input) as events into the reactor's
> event model? Or is there a better approach?
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