def save( self ):
if self._get_pk_val():
old = MyModel.objects.get( pk = self._get_pk_val() )
if self.field != old.field:
print "Values do not match"
super( MyModel, self ).save()
On 31 янв, 10:54, Julien <[EMAIL PROTECTED]> wrote:
> Hi there,
>
> I'd like to override the save() method and within it I'd like to test
> if a value has changed, that is, if that value as stored in the object
> (in memory) is different from what is actually stored in database.
> Something like:
>
> class A:
> stuff = models.blabla
>
> def save(self):
> if self.stuff !=
> magic_function_that_tells_what_is_in_database_for('stuff')
> do_this()
> super(A, self).save()
>
> Any idea?
>
> Thanks!
>
> Julien
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