gistfile1.py

class Face(models.Model):
    photo = models.ImageField(upload_to=settings.MEDIA_ROOT)
    frequency = models.IntegerField()
    date_added = models.DateTimeField()
 
    def __unicode__(self):
        return self.photo.name
 
class FaceForm(ModelForm):
    class Meta:
        model = Face
        exclude = ('date_added')
 
    def save(self, commit=True):
        face = super(FaceForm, self).save(commit=False)
        face.date_added = datetime.datetime.now()
        face.save()
        return face