A post save signal seems better suited for this. The post save signal
has an attribute 'created' that will be true or false depending on if
the object is being created or updated. Check out the post_save
documentation:
http://docs.djangoproject.com/en/dev/ref/signals/#django.db.models.signals.post_save
On Apr 23, 3:32 pm, Skylar Saveland <skylar.savel...@gmail.com> wrote:
> On Apr 23, 3:27 pm, Jim N <jim.nach...@gmail.com> wrote:
>
>
>
>
>
> > Hi,
>
> > I have overridden the default save() on a model so that I can update
> > some counts every time a save occurs. Unfortunately, I don't want to
> > perform these actions every time the model is updated, which seems to
> > happen.
>
> > Is there another approach I can take that distinguishes between save
> > and update?
>
> > class Answer(models.Model):
> > answer = models.TextField()
> > user = models.ForeignKey(User, null=True)
> > submit_date = models.DateTimeField('Date Submitted',
> > default=datetime.datetime.now)
> > question = models.ForeignKey(Question)
> > permalink = models.CharField(max_length=300, blank=True)
>
> > def save(self, *args, **kwargs):
> > super(Answer, self).save(*args, **kwargs) # Call the "real"
> > save() method.
> > if(self.user):
> > quser = self.user.get_profile()
> > quser.increment_answers() # <-- I don't want to do this
> > on an update.
> > self.question.increment_responses() # <-- I don't want to
> > do this either.
>
> > Or in more readable form:http://dpaste.de/I2IR/
>
> Before you call super you can see if bool(self.pk) is True or False.
> It will be False before the first save.
>
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