class Foo(models.Model):
bar = models.IntegerField()
def save(self, force_insert=False, force_update=False):
if self.id:
# this is an update rather than a new instance
old = Foo.objects.get(pk=self.id)
# DO STUFF
super(Foo, self).save(force_insert, force_update)
On Oct 7, 1:01 pm, Aaron <aa...@genieknows.com> wrote:
> I have a model with a particular field I'm interested in. If that
> field is altered, I want to be able to access the former value of that
> field (as well as the new value).
>
> I've looked at pre_save() signals, models, and fields, and it seems
> that I am only able to access the current (new) value of the field;
> it's old value is lost.
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