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#1 March 10, 2008 01:19:04

Tim A.
Registered: 2009-11-02
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Problems using mptt

Hey everybody,

I'm trying to added mptt to my django project for managing a simple
page-tree. It doesn't seem to work, as it is supposed too.

My model looks like this:

from django.db import models
import mptt

class Page(models.Model):
title = models.CharField(maxlength=200)
body = models.TextField()
parent = models.ForeignKey('self', null=True, blank=True,

class Meta:
ordering =

class Admin:

def __str__(self):
indent = ""
for i in range(self.lvl()):
indent += "-"

return '%s %s' % (indent,self.title)

def level(self):
if(self.parent == None):
return 0
return self.parent.lvl() + 1;

But even in this stage, without the mptt.register, my development
server gives me a

> Validating models...
> djangotree.content: cannot import name ugettext
> 1 error found.

I guess that is related to the mptt, but I have no idea, what might be
causing this.
Can somebody help out?

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