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https://docs.djangoproject.com/en/dev/howto/custom-model-fields/#django.db.models.Field.to_python

On Tue, Jun 19, 2012 at 9:38 AM, Melvyn Sopacua <m.r.sopa...@gmail.com>wrote:

> Hi,
>
> When using a custom field as primary key, and subsequently as a
> ForeignKey the database representation gets stored as the related value
> on the object.
> This is a problem when it has to match the selected value in a form and
> the documentation doesn't provide any clues where I should be overriding
> a SubFieldBase method.
>
> There's some mention of force_unicode() being used and providing
> __unicode__ methods, however since I don't have access to the instance
> value from self I have no clue how to do the conversion.
>
> I've found the code responsible for setting the selected attribute in
> forms/widgets.py, but having a really hard time figuring out what method
> sets the "value" argument to the Select.render() method and how it
> relates to my custom field.
>
> Help?
>
> --
> Melvyn Sopacua
>
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-- 
juanpex

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