2009/7/2 Andrew Turner <acturne...@gmail.com>:
> Would it be possible to define the hashed filename in the save method,
> and then pass it to the upload_to argument of the ImageField?

In answer to my own question, this seems to work:-

def get_path(instance, name):
   return instance._my_filename

class Photo(models.Model):
   photo = models.ImageField(upload_to=get_path, blank=False)
   ...
   slug = models.CharField(max_length=16, unique=True)

   def save(self):
        name = hashlib.sha1(str(random.random())).hexdigest()[:16]
        self._my_filename = '%s.jpg' % (name)
        self.slug = name
        super(Post, self).save()

Cheers,
Andrew

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