> class MPTTTree(models.Model):
> created_at = models.DateTimeField(_('creation date'), auto_now_add=True)
> updated_at = models.DateTimeField(_('last update date'), auto_now=True)
> parent = models.ForeignKey("self", null = True, blank = True)
> lhs = models.IntegerField(default=0, db_index = True)
> rhs = models.IntegerField(default=0, db_index = True)
> level = models.IntegerField(default=0, db_index = True)
> class Test(MPTTTree):
> name = models.CharField(_('Name'), maxlength=255)
You can try to attach node payload via GenericRelations.
PS: take a look at
http://code.djangoproject.com/wiki/ModifiedPreorderTreeTraversal
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