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
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1 answer
Django MPTT - tree filtering
I am using MPTT's templatetag to render my genre tree.
{% for genre, structure in genres|tree_info %}
{% if tree.new_level %}
- {% else %}
- {% endif %} {{ genre.name }} {% for level in tree.closed_levels…
ohnoes
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1 answer
Which module to manage nodes in multiple tree?
I am creating a web tool to manage bills of materials (BOM).
I managed to get some nice presentation of BOMs using django with js-tree but now I would like to put all of this in a database.
My trees look like this:
- Root Part (ie Product A)
-…
Romn
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Improving performance of an Django MPTT tree
I have implemented the follow model to capture the structure of a classical piece of music. I'm using the MPTT to implement movements, opera acts and arias.
model.py:
TreeForeignKey(Work, blank=True, null=True, db_index=True,…
H C
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1 answer
Django MPTT tree as model filter in admin
I have a model linked to a related model that is a Django MPTT tree model, I would like to be able to filter the first model using the Django MPTT tree in the admin console.
class Tenders(models.Model):
...
sector=models.ForeignKey(Sector,…
Zexelon
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how return parent products , RecursiveField in rest api?
I don't have return parent in products rest api django.
when i request sub-categories in url show parent recursive
,but when i request products in url parent field is empty.
please help me, thanks.
serializers.py : i have used RecursiveField.
from…
omides248
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1 answer
Use django-mptt to query the database for all root categories that have at least one subcategory and at least one product
I have a Category model and I use django-mptt to have subcategories (and sub-subcategories, etc.). I also have products, which are assigned to categories.
I want to query the database for all root categories that have at least one subcategory and at…
Nick
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Django MPTT: Rebuild tree in migrations file
I already have a model in my project that I now want to use with django-mptt. This model already has some data in it.
During migrations, you are asked to set default values for some of the fields django-mptt creates. As directed in the…
Navid Khan
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1 answer
django-mptt serialization return children nodes outside of parent node also
I am using django-mptt with django-rest-framework and for recursive serialization I am using djangorestframework-recursive package but it
returns child node outside of parent node also.
I have tried to_representation() also that leads to
same…
user9466396
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1 answer
copy values of multiple ModelMutipleChoiceField into one after Post using MPTT
I've been struggling with this issue all day and hope someone can help.
I have all my hierarchies classified by category in the same table.
during the form creation, I want to separate each hierarchy by category and render it using a…
Sheldon Lipshitz
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2 answers
What is the correct way to delete a child node in django-mptt tree structure
I am using Django:
>>> django.VERSION
(1, 11, 15, u'final', 0)
MPTT:
django-mptt 0.9.1
In Models:
from mptt.models import MPTTModel, TreeForeignKey
class Location(MPTTModel):
id = models.AutoField(primary_key=True)
name …
Areebah
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1 answer
How do I use django mptt?
I have a model:
class Company(models.Model):
name = models.CharField( max_length=100)
parent = models.ForeignKey('self', null=True, blank=True, related_name='children')
mptt.register(Company, order_insertion_by=['name'])
and
class…
amit
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1 answer
How to know level of every child relative to main parent in django-mptt?
I use django-mptt application in my project. Let me try to explain the problem.
views.py:
user_profile = Profile.objects.get(user=self.request.user)
referrals = user_profile.get_descendants().filter(level__lte=profile.level + 3)
With the help of…
Nurzhan Nogerbek
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2 answers
Problem using django mptt
I am having problem implementing django mptt.
Here is my model:
class Company(models.Model):
name = models.CharField( max_length=100)
parent = models.ForeignKey('self', null=True, blank=True, related_name='children')
…
amit
1
vote
1 answer
How to show a certain number of levels in django-mptt?
In my Django project I use django-mptt application to create hierarchical tree. Right now next code works well but I want to show only first 4 level of the tree. How to make it correctly? I am confused.
views.py:
context['caregories'] =…
Nurzhan Nogerbek
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1
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2 answers
AttributeError: 'TreeQuerySet' object has no attribute 'get_family'
I am using django mptt and i want to get all whole family of one child.
When i call other functions it works fine
For example i filter object and call function get_family
p = Platform.objects.filter(name__startswith='signals')
s =…
Johnny
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