django-mptt is an implementation Modified Preorder Tree Traversal for handling trees of Django Model instances.
django-mptt is an implementation Modified Preorder Tree Traversal for handling trees of Django Model instances.
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Questions tagged [django-mptt]
351 questions
0
votes
3 answers
django-mptt fields showing up twice, breaking SQL
I'm using django-mptt to manage a simple CMS, with a model called Page, which looks like this (most presumably irrelevant fields removed):
class Page(mptt.Model, BaseModel):
title = models.CharField(max_length = 20)
slug =…
Dominic Rodger
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votes
1 answer
is_deleted for nodes with Django MPTT
I use Django MPTT.
I wont delete my nodes but instead I am updating a field is_deleted and filtering the nodes so 'deleted' nodes wont show up.
The problem arises if a node is 'deleted' but some of it's descendants is not deleted.
The descendants of…
Jamgreen
- 10,329
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votes
1 answer
Get parent id in django-mptt
I am using django-mptt and jquery-treetable.
I am printing my objects with:
{% for node in nodes %}
In jquery-treetable the element should have some attributes to…
| {{ node }} |
Jamgreen
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0
votes
1 answer
Django mptt join/merge models
I have this two models:
class Folder(MPTTModel):
name = models.CharField(max_length=20)
description = models.CharField(max_length=200, null=True, blank=True)
parent = TreeForeignKey('self', null=True, blank=True,…
user3399059
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- 1
0
votes
1 answer
Django mptt throwing error when order insertion value is changed
I have this mptt model:
class Program_requirement_category(MPTTModel):
display_order = models.IntegerField(null=True, blank=True)
name = models.CharField(max_length=100, unique=False)
min_credit = models.IntegerField(null=True,…
Abhishek
- 2,998
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votes
1 answer
why doesn't this django mptt algorithm correctly compute rank? list index out
I am trying to write a simple algorithm to get the 'rank' of a django mptt model. By 'rank' I mean the number of levels of descendents... similar to MPTTModel.get_level() but counting from leaf to root.
My approach is the following:
views.py
def…
David J.
- 1,753
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0
votes
1 answer
Creating mptt from a django model
I have a django model as follows: (it has both the mptt and the regular model)
from django.db import models
from mptt.models import MPTTModel, TreeForeignKey
class deg_course_cat(models.Model):
degree_code = models.CharField(max_length=24)
…
Abhishek
- 2,998
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0
votes
1 answer
Django mptt tutorial error
I was following this tutorial and i got stuck.
I have defined everything as mentioned in the tutorial but i am getting the following error:
NameError at /genres/
global name 'Genre' is not defined
Request Method: GET
Request URL: …
Abhishek
- 2,998
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votes
1 answer
Using django-mptt with django auth_user
I am trying to create a user tree using django-mptt. I have auth_user table and a one-to-one mapping table UserProperties which has a foreign key of auth_user.
I added TreeForeignKey of django-mptt in UserProperties model(parent column) on User…
Anuj
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votes
1 answer
django-cms placeholder outside cms - how to get related model using the placeholder from the one model that is connected?
I have written the following cms plugin. With this a user can add a connection from one news entry to a project.
cms_plugins.py:
from cms.plugin_base import CMSPluginBase
from cms.plugin_pool import plugin_pool
class…
welworx
- 370
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votes
1 answer
IntegrityError in django mptt - column not unique
I'm having trouble saving a form in a Django app. I want to create an model called 'dataset' from another model called 'image', both of which are mptt models.
models
class Image(MPTTModel):
name = models.CharField(max_length=50, unique=True)
…
David J.
- 1,753
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0
votes
2 answers
AttributeError when saving MPTTModel
I'm trying to build a menu app in Django using django-mptt to create nested menu items. The menu items should be ordered by menu_order when the tree is built.
The problem is that whenever I add nested menu items, reorder them and save the menu, this…
JLinden
- 98
- 12
0
votes
0 answers
django-mptt order_insertion_by and tree rebuild
I started using 'order_insertion_by' to change the default ordering in django-mptt.
So far I haven't found issues on my local, but my tests fail.
Background:
I have test fixture which creates about 10 objects in tree structure and two trees.
I…
chhantyal
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votes
1 answer
Why do model mixins break django-mptt foreign keys?
I'm modifying a third-party Django app based on django-mptt. I'm trying to refactor one monstrously big model into a base class and a set of mixins. All seemed well, however...
class ModelMixin([see below]):
class Meta:
abstract =…
avramov
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0
votes
1 answer
How to add custom data to Django MPTT model for recursetree template tag
This question about MPTT objects and usage of the {% recursetree %} template tag is related to this one.
My Django Model:
from mptt.models import MPTTModel, TreeForeignKey
class myModel(MPTTModel):
myIntA = models.IntegerField(default=0)
…
Saqib Ali
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