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Re: gc.get_objects()

References (10 earlier) <mailman.789.1347802379.27098.python-list@python.org> <roy-25E9C0.10065316092012@news.panix.com> <CAPTjJmqRwfJZDKLsnz1Cm6ra0LhjtC+uC=61u-Qj57b-gJzXfw@mail.gmail.com> <mailman.833.1347885784.27098.python-list@python.org> <505730ad$0$29981$c3e8da3$5496439d@news.astraweb.com>
Date 2012-09-18 02:09 +1000
Subject Re: gc.get_objects()
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.836.1347898166.27098.python-list@python.org> (permalink)

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On Tue, Sep 18, 2012 at 12:16 AM, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> wrote:
> The __del__ method does not delete an object. Remember, objects are only
> deleted when there are no references to it. Otherwise you could have some
> code that tries to use a deleted object, and you would get a system crash
> or BSOD.

There is a conceptually viable alternative: destroy an object
immediately and force all references to it to become some sentinel
value (eg None). Python currently doesn't have this, but it would be
rather convenient at times. Could be part of a construct like 'with'
to say "make this, use it, and then dispose of it".

ChrisA

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datetime issue Νικόλαος Κούρας <nikos.gr33k@gmail.com> - 2012-09-15 10:33 -0700
  Re: datetime issue Jason Friedman <jason@powerpull.net> - 2012-09-15 12:58 -0600
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      Re: datetime issue MRAB <python@mrabarnett.plus.com> - 2012-09-15 21:28 +0100
        Re: datetime issue Νικόλαος Κούρας <nikos.gr33k@gmail.com> - 2012-09-15 22:15 -0700
          Re: datetime issue Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-09-16 01:53 -0400
            Re: datetime issue Νικόλαος Κούρας <nikos.gr33k@gmail.com> - 2012-09-16 00:51 -0700
              Re: datetime issue Νικόλαος Κούρας <nikos.gr33k@gmail.com> - 2012-09-16 01:18 -0700
              Re: datetime issue Νικόλαος Κούρας <nikos.gr33k@gmail.com> - 2012-09-16 01:18 -0700
            Re: datetime issue Νικόλαος Κούρας <nikos.gr33k@gmail.com> - 2012-09-16 00:51 -0700
            Re: datetime issue Νικόλαος Κούρας <nikos.gr33k@gmail.com> - 2012-09-16 01:25 -0700
              Re: datetime issue Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-16 09:53 +0000
                Re: datetime issue Νικόλαος Κούρας <nikos.gr33k@gmail.com> - 2012-09-16 03:15 -0700
                Re: datetime issue Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-16 10:49 +0000
                Re: datetime issue Νικόλαος Κούρας <nikos.gr33k@gmail.com> - 2012-09-16 03:54 -0700
                Re: datetime issue Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-16 11:34 +0000
                Re: datetime issue Νικόλαος Κούρας <nikos.gr33k@gmail.com> - 2012-09-16 04:56 -0700
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                Re: datetime issue Chris Angelico <rosuav@gmail.com> - 2012-09-16 23:32 +1000
                Re: datetime issue Chris Angelico <rosuav@gmail.com> - 2012-09-17 00:10 +1000
                gc.get_objects() Matteo Boscolo <matteo.boscolo@boscolini.eu> - 2012-09-17 14:42 +0200
                Re: gc.get_objects() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-17 14:16 +0000
                Re: gc.get_objects() Chris Angelico <rosuav@gmail.com> - 2012-09-18 02:09 +1000
                Re: gc.get_objects() Matteo Boscolo <matteo.boscolo@boscolini.eu> - 2012-09-17 19:23 +0200
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    Re: datetime issue Νικόλαος Κούρας <nikos.gr33k@gmail.com> - 2012-09-15 12:26 -0700

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