Have you read this ? http://docs.djangoproject.com/en/dev/howto/custom-file-storage/
haven't used any custom file storage yet but maybe using a custom file- storage with a dummy save method when file exists is what you need. On Sep 12, 1:43 pm, "A. Rossi" <yobliat...@gmail.com> wrote: > I have an application where users can upload images, then the image is > renamed to a SHA256 hash of the file's contents. > Here is the relevant snippet of the model > > class ImagePost(Post): > def imgurl(self, filename): > import hashlib, os.path > extension = os.path.splitext(filename) > self.image.seek(0) > return "images/%s%s" % (hashlib.sha256(self.image.read > (self.image.size)).hexdigest(), extension[1]) > > image = models.ImageField(upload_to=imgurl, blank=True) > > what I am attempting to do is, if a user uploads an image that already > exists (i.e. the two files have the exact same SHA256 hash) I want to > have the ImageField point to the already existing file, rather than > save the newly uploaded one. I have tried a couple things that didn't > work, and the default behavior when dealing with files of the same > name is to append an extra _ to the end of the name, before the > extension. > > I feel like I'm on the cusp of figuring this out, but I'm stuck. Also, > would I put the code for this into the imgurl() function, create a > custom storage object, in the view(s) directly? > > Thank you for your help. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
