del behavior
Benjamin Kaplan
benjamin.kaplan at case.edu
Wed Jan 7 17:25:25 EST 2009
On Wed, Jan 7, 2009 at 2:39 PM, Eric Snow <esnow at verio.net> wrote:
> I was reading in the documentation about __del__ and have a couple of
> questions. Here is what I was looking at:
>
> http://docs.python.org/reference/datamodel.html#object.__del__
>
> What is globals referring to in the following text from that reference
> page?
>
> "Starting with version 1.5, Python guarantees that globals whose name
> begins with a single underscore are deleted from their module before
> other globals are deleted; if no other references to such globals
> exist, this may help in assuring that imported modules are still
> available at the time when the __del__() method is called."
>
> Thus those with an _ get deleted before everything else. This is not
> referring to members of my objects is it, such that those members
> starting with _ get deleted first? I suppose that would delete
> __del__ before it would get called so I assume that is not the case.
> But I want to be sure about that behavior and exactly what globals
> is. Is globals meaning the contents of "globals" or something else.
> I ask because sometimes some words get used for varied meanings.
Names with a *single* leading underscore are, by convention, "private".
Names with double leading and trailing underscores are for special methods.
The sort-of private methods are the ones that get deleted first, not the
special methods.
>
> --
> http://mail.python.org/mailman/listinfo/python-list
>
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