[ZODB-Dev] Persistent class in python

[Marius Gedminas]

On Sat, Jul 19, 2008 at 07:50:56PM +0300, Микола Харечко wrote:
> Hi. I am trying to rewrite Persistent class to python. How can i write
> python class that passes this tests (persistent.txt ):
> 
> Basic type structure
> --------------------
>   >>> Persistent.__dictoffset__
>   0
>   >>> Persistent.__weakrefoffset__
>   0
>   >>> Persistent.__basicsize__ > object.__basicsize__
>   True

I might be wrong, but what's the point of making the class pass these
tests?  They seem like implementation details, irrelevant to most (all?)
of the users of persistent.Persistent.

> and at the same time - it will be possible to create weakreferences to
> this class (in PickleCache). Also this class must not have __slots__
> (__getstate__ method).

Marius Gedminas
-- 
C gives you enough rope to hang yourself. C++ also gives you the tree object to
tie it to.
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