+ return self.key
+
+
+class Attachment(models.Model):
+ key = models.CharField(_('key'), help_text=_('A unique name for this attachment'), primary_key=True, max_length=255)
+ attachment = models.FileField(upload_to='chunks/attachment')
+
+ class Meta:
+ ordering = ('key',)
+ verbose_name, verbose_name_plural = _('attachment'), _('attachments')
+
+ def __unicode__(self):
+ return self.key