django-treebeard is a pluggable django app that implements efficient tree implementations
django-treebeard is a pluggable django app that implements efficient tree implementations:
- Adjacency List
- Materialized Path
- Nested Sets
Questions tagged [django-treebeard]
57 questions
1
vote
1 answer
Modelling a polymorphic tree with django-treebeard
I cannot seem to find a way to add nodes of various polymorphic types to the same tree. Basically, I think I want a tree whose nodes are either a Company or Region, both inheriting from HierarchyNode which inherits from MP_Node
class…
James Maroney
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1
vote
0 answers
Kendo TreeList is Not Refreshing with flat Data
I am using the Kendo TreeList. I have a data structure in the database using an Adjacency List data structure using Django TreeBeard. For the treelist, since the data is nested, I create flat objects and put them into an array. This works, fine but…
Axwack
- 569
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vote
1 answer
How to add a second root element?
I have the model:
from treebeard.ns_tree import NS_Node
class Category(NS_Node):
name = models.CharField(max_length=30)
node_order_by = ['id']
def __str__(self):
return self.name
and i try create new root element:
>>>from…
Maxim Postnikov
- 107
- 6
1
vote
1 answer
How to use treebeard admin in django 1.8
I am trying to use django-treebeard in the admin section, following suggestions at https://tabo.pe/projects/django-treebeard/docs/2.0/admin.html
Using django 1.8 and treebeard 3.0 on python 3.4.
models.py:
class Site(models.Model):
stype =…
velis
- 8,747
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1
vote
1 answer
How to use django-treebeard in Admin?
I am trying to use django-treebeard in the admin section.
from https://tabo.pe/projects/django-treebeard/docs/tip/intro.html#configuration
Note: If you are going to use the Treeadmin class, you need to add the
path to treebeard’s templates in…
Siecje
- 3,594
- 10
- 32
- 50
1
vote
1 answer
Django Treebeard display tree category using bootstrap effectively
How to traverse a tree of MP_Node (django-treebeard) categories and display effectively with lease amount of queries? I tried looking the docs but I see the queries number increasing with more categories.
Is there a method to limit the number of…
Bharathwaaj
- 2,627
- 2
- 22
- 35
0
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1 answer
How to get the all descendants of a node including itself with Django treebeard?
I have Category model extending MP_Node with Django treebeard as shown below:
# "models.py"
from django.db import models
from treebeard.mp_tree import MP_Node
class Category(MP_Node):
name = models.CharField(max_length=50)
node_order_by =…
Super Kai - Kazuya Ito
- 22,221
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Issue creating relational tables for Django models with django-taggit and django-treebeard
I am trying to create hierarchical tags for my Django blog project using django-taggit and django-treebeard. However, I am encountering issues with the creation of the relational tables.
Here is my models.py file:
from django.db import models
from…
pipocaDourada
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- 7
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0 answers
Is it good idea to use result of dump_bulk() method from django-treebeard instead serialization in Serializer or ModelSerializer classes in DRF?
I wanna to build e-commerce website with Django Rest Framework and React.
In e-commerce websites there are nested categories. So I needed to build model which can works with hierarchical data.And I stopped at the Django treebeard library.
I've…
SM1L3_B0T
- 35
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0
votes
0 answers
Get Absolute URL of image using django-treebeard tree responce
Hello currently I implemented django-treebeard package for archive tree structure for categories.
Here I faced problem in response with URL of image.
I can't see Absolute URL of image categories
NOTE - serializer is not working with this recursive…
Mahammadhusain kadiwala
- 2,693
- 2
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- 12
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votes
1 answer
Wagtail adding new collection: Integrity Error, UNIQUE constraint failed
I am using Wagtail with a lot of collections (one for each of > 100 users).
After renaming a collection via the admin interface, adding a new collection very often results in an integrity error, violating a unique constraint/duplicate key error.
I…
Kristin
- 155
- 4
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votes
0 answers
Building a dynamic asynchronous filesystem in django: best practices
I am trying to rebuild our website in Django, and I am currently facing a series of rather difficult challenges for which I am not prepared. I was hoping to get some help in the matter.
The website I am building is an online archival platform for…
Dhruva Gowda Storz
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0
votes
1 answer
How to link hierarhical data into another model in Django?
Consider the following hierarchical data. It can be 3 to 4 levels deep. I understand I can use existing packages like django-mptt or django-treebeard to create a tree data…
user4979733
- 3,181
- 4
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0
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0 answers
Django treebeard count on each child
I'm using django-treebeard to create tree of Structures (some kind of folders).
Each Structure could contain a Resource. When I list my Structures I need to know how many Resources are in current Structure and it's children.
Is there a way to Sum…
Marshall
- 65
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0
votes
0 answers
Django Treebeard - showing hierarchy in admin page
I've used Django.treebeard to create a hierarchical system to classify books like so:
The 'genres' model is related to another model by a many-to-many relationship, and I need to be able to select the right genres (ie, Fiction>Adult>Science…
