To add more detail:
The db version of the file won't be removed until the save method is
complete.
def save(self):
if self.id:
#The photo currently exists
m = MyModel.objects.get(pk=self.id)
if m.photo == self.photo:
#They are the same photo
else:
#They are not the same photo
I hope this helps.
On Jul 9, 8:04 am, Malcolm Tredinnick <[EMAIL PROTECTED]>
wrote:
> On Wed, 2008-07-09 at 17:02 +0200, KONTRA, Gergely wrote:
> > > Could you override the save method and remove the file from the
> > > filesystem prior to saving?
>
> > That's what I'm attempting to.
> > BUT:
> > the question is: how can I figure out the database-saved value of the photo
>
> > class MyModel(models.Model):
> > photo = ImageField(upload_to='temp')
> > def save(self):
> > if self.id:
> > # now self.photo points to the requested image being
> > uploaded in the admin, not the previously saved one
>
> You'll have to ask the database for the previous value. Django doesn't
> store the "changed value" like this. One day, maybe. Right now, no.
>
> Regards,
> Malcolm
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