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Message from discussion Getting the original object from a proxy in Python
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Paul Walsh  
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 More options Oct 31 2012, 9:18 am
From: Paul Walsh <paulywa...@gmail.com>
Date: Wed, 31 Oct 2012 06:18:00 -0700 (PDT)
Subject: Re: [pyweb-il:3717] Getting the original object from a proxy in Python
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ok yes, I am using the pk now, so I guess this is the way to do it. thanks.

On Wednesday, 31 October 2012 13:19:27 UTC+2, Shai wrote:

> On Wednesday 31 October 2012 10:29:50 Paul Walsh wrote:
> > In a new project I am working with Django's proxy models, and it is just
> a
> > great great way to build pragmatic interfaces for views and templates.

> > In a few cases, however, I need to do things like check equality with
> the
> > original object, and my proxy is not actually equal to the original of
> > course.

> > I can do this by checking equality on class properties, where that
> property
> > is the same in the proxy and the original object.

> With Django objects you can usually rely on the pk property (except if
> your
> context involves unsaved objects).

> > I wonder if there is a better practice in python. I found some
> suggestions
> > to add a method on the original object that simply returns self

> That, simply, won't work -- such a method will return the dynamic self
> (the
> proxy), not an instance of the class in which it was defined (as might be
> the
> case in some static languages).

> HTH,
>         Shai.


 
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