__del__()

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Nicolas Pinault

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May 29, 2016, 4:24:40 AM5/29/16
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Hi,

When a class is automatically destroyed, the __del__() function is not
called.
I'm working on an application where this is very annoying.
Is it a definitive behaviour ?

Nicolas

Kiko

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May 29, 2016, 4:34:37 PM5/29/16
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Nicolas

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Nicolas Pinault

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May 30, 2016, 12:29:12 PM5/30/16
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Le 29/05/2016 à 22:34, Kiko a écrit :


2016-05-29 10:24 GMT+02:00 Nicolas Pinault <d...@famillepinault.fr>:
Hi,

When a class is automatically destroyed, the __del__() function is  not called.
I'm working on an application where this is very annoying.
Is it a definitive behaviour ?

Yes, I know. But are there any plans to change this ?

Nicolas

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André

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May 30, 2016, 4:19:42 PM5/30/16
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On Monday, 30 May 2016 13:29:12 UTC-3, nico38 wrote:
Le 29/05/2016 à 22:34, Kiko a écrit :


2016-05-29 10:24 GMT+02:00 Nicolas Pinault <d...@famillepinault.fr>:
Hi,

When a class is automatically destroyed, the __del__() function is  not called.
I'm working on an application where this is very annoying.
Is it a definitive behaviour ?

Yes, I know. But are there any plans to change this ?


Nicolas Pinault

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May 31, 2016, 2:23:47 PM5/31/16
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Thanks for the link. I missed it when searching for this topic.


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Kiko

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Jun 3, 2016, 4:16:21 AM6/3/16
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2016-05-31 20:23 GMT+02:00 Nicolas Pinault <d...@famillepinault.fr>:
Le 30/05/2016 à 22:19, André a écrit :


On Monday, 30 May 2016 13:29:12 UTC-3, nico38 wrote:
Le 29/05/2016 à 22:34, Kiko a écrit :


2016-05-29 10:24 GMT+02:00 Nicolas Pinault <d...@famillepinault.fr>:
Hi,

When a class is automatically destroyed, the __del__() function is  not called.
I'm working on an application where this is very annoying.
Is it a definitive behaviour ?

Yes, I know. But are there any plans to change this ?


No.

 Thanks for the link. I missed it when searching for this topic.

I was rethinking about this. Some thoughts:
-CPython uses reference counting and a GC.
-Javascript uses reference counting and a GC.
-In CPython there are some utilities to know about and interface with the GC, the references,...
-In Javascript you don't have this...

So:
-As Pierre stated, maybe it is better like this as implement this would be difficult and, maybe, unmanageable.

Ideas:
I think the easiest way to deal with this would be to let the developer be responsible of this so the developer can try to force the variables to be equal to None once they are used (but, if there are references to the same value you will not free memory as the JS GC would be in charge of this).

Best.

 

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