Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail
From: Ian Kelly <ian.g.kelly@gmail.com>
Newsgroups: comp.lang.python
Subject: Re: Bi-directional sub-process communication
Date: Tue, 24 Nov 2015 14:53:17 -0700
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On Mon, Nov 23, 2015 at 10:25 PM, Cameron Simpson <cs@zip.com.au> wrote:
> Then #3. I would have a common function/method for submitting a request to
> go to the subprocess, and have that method return an Event on which to wait.
> Then caller then just waits for the Event and collects the data. Obviously,
> the method does not just return the Event, but an Event and something to
> receive the return data. I've got a class called a Result for this kind of
> thing; make a small class containing an Event and which will have a .result
> attribute for the return information; the submitting method allocates one of
> these and returns it. The response handler gets the instance (by looking it
> up from the tag), sets the .result attribute and fires the Event. Your
> caller wakes up from waiting on the Event and consults the .result
> attribute.

Your Result sounds suspiciously like a Future. ;-)