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Groups > comp.lang.python > #86102

Re: Design thought for callbacks

From Marko Rauhamaa <marko@pacujo.net>
Newsgroups comp.lang.python
Subject Re: Design thought for callbacks
Date 2015-02-22 14:12 +0200
Organization A noiseless patient Spider
Message-ID <87k2za9mbf.fsf@elektro.pacujo.net> (permalink)
References <33677AE8-B2FA-49F9-9304-C8D93784255D@gmail.com> <mailman.18948.1424497381.18130.python-list@python.org> <87zj87i74p.fsf@elektro.pacujo.net> <mailman.19002.1424607035.18130.python-list@python.org>

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Cem Karan <cfkaran2@gmail.com>:

> On Feb 21, 2015, at 11:03 AM, Marko Rauhamaa <marko@pacujo.net> wrote:
>> I use callbacks all the time but haven't had any problems with strong
>> references.
>> 
>> I am careful to move my objects to a zombie state after they're done so
>> they can absorb any potential loose callbacks that are lingering in the
>> system.
>
> So, if I were designing a library for you, you would be willing to have
> a 'zombie' attribute on your callback, correct? This would allow the
> library to query its callbacks to ensure that only 'live' callbacks are
> called. How would you handle closures?

Sorry, don't understand the question.


Marko

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Thread

Re: Design thought for callbacks Chris Angelico <rosuav@gmail.com> - 2015-02-21 16:42 +1100
  Re: Design thought for callbacks Marko Rauhamaa <marko@pacujo.net> - 2015-02-21 18:03 +0200
    Re: Design thought for callbacks Cem Karan <cfkaran2@gmail.com> - 2015-02-22 07:10 -0500
      Re: Design thought for callbacks Marko Rauhamaa <marko@pacujo.net> - 2015-02-22 14:12 +0200
        Re: Design thought for callbacks Cem Karan <cfkaran2@gmail.com> - 2015-02-22 08:42 -0500
          Re: Design thought for callbacks Marko Rauhamaa <marko@pacujo.net> - 2015-02-22 15:54 +0200

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