you self.instance.fieldname use this ur from . On Tue, Nov 10, 2009 at 12:58 PM, Ramdas S <ram...@gmail.com> wrote:
> Hi, > > I have this app which has an ImageField, where the image needs to be > cropped, resized, and a few effects (all from PIL) are applied on it, the > model looks something like this > > class MidPanel(models.Model): > .... > ..... > image = models.ImageField(upload_to="images"): > > def save(self): > ........ > if self.image: > dosomething(self.image) > > > Everything is fine, expect that every time someone makes a change to a > field in the model, the images gets manipulated. The image manipulation is > supposed to happen only once. > > What I want is somehow to apply the cmanipulation on self.image only if > the image is changed, or its been created... Is pre_seave the right way, if > so how do you actually use it where it need to compare previosly stored data > and the newone and then only execute. > > Ramdas > > > > -- > Ramdas S > +91 9342 583 065 > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
