Re: Auto-filling others ImageFields based on the original one

On 1/11/2014 2:35 AM, Sasa Trifunovic wrote:
> Hi,
>
> I have to save 3 versions of uploaded photo (and i dont want to use
> solr) , original one and two which are resized versions of the original one.
> I need those two additional photos as ImageFields in my model , due to
> the fact that i want to use django ORM.
>
> |
>
> |
> Class Post(model.Models):
>
> #...
> photo = models.ImageField(upload_to="photo_album")
> original_photo =
> models.ImageField(upload_to="photo_album/originals", null=True)
> thumbnail = models.ImageField(upload_to="photo_album/thumbnails",
> null=True)
> |
>
> |
>
>
> I have tried overriding the save method
>
> |
> |
> defsave(self):
> self.thumbnail.file =self.photo.file
> self.original_photo.file =self.photo.file
> super(Post,self).save()
> |
>
> |
>
> But that is not working (why?).

Try ...

def save(self, *args, **kwargs):
self.thumbnail.file = self.photo.file
self.original_photo.file = self.photo.file
super(Post,self).save(*args, **kwargs)

The args and kwargs are ORM params used to control saving. You need to
pass them back to the built-in save() method.

Good luck

>
> Any advice on how to solve this is much appreciated. Thanks!
>
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