django-mptt

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How to build django-mptt tree without rebuilding after each insert?

I\'m building large mptt tree. I\'d like to insert all nodes and after that start method for rebuilding whole tree:[详细]

2023-03-30 23:01 分类：问答
Django MPTT - absolute url for category

I have the following tree structure: Cat 1 --Sub Cat 开发者_StackOverflow中文版1 --Sub Cat 2 Cat 2 --Sub Cat 1[详细]

2023-03-16 21:52 分类：问答
Django-MPTT - ordering root nodes by count of immediate descendants

I\'m using Django-MPTT to do a display a simple 2 level hierarchy (root => child(ren)). I\'m looking for a way to structure my queryset so that nodes get returned with the root node having the most ch[详细]

2023-03-16 12:28 分类：问答
efficient function to retrieve a queryset of ancestors of an mptt queryset

Does anybody have an efficient algorithm to retrieve all ancestors of an mptt queryset? The best I could think of so far is something like this:[详细]

2023-03-15 01:10 分类：问答
Why can't I save my model instances after editing them?

I have a model which I can instantiate just fine, but once created, if I attempt to save it I get an IntegrityError saying that the primary key must be unique.What\'s causing this?[详细]

2023-03-09 23:02 分类：问答
show children nodes depending on selected parent

Hi i\'ve been looking all over and can\'t find the answer to this. I have only 3 months experience in using python/django so excuse my dummy quesion![详细]

2023-03-06 09:52 分类：问答
Django-mptt and multiple parents?

I\'ve been banging my head against the desk for a couple weeks on this problem, so I figure it may be time to seek some help.[详细]

2023-03-01 08:53 分类：问答
django-mptt ImportError

I have installed django-mptt and have followed the documentation regarding setting up a Django model for MPTT[详细]

2023-02-28 09:23 分类：问答
Django MPTT order_by error

models.py class Category(MPTTModel): name = models.CharField(max_length=100) slug = models.SlugField(max_length=200, unique=True)[详细]

2023-02-25 22:51 分类：问答
Is it possible to use django-mptt and GenericForeignKey?

The model I\'m using at the 开发者_高级运维moment essentially has three classes. A root class, a tree attached to the root class and a leaf node class that can be attached anywhere in the tree.[详细]

2023-02-25 10:02 分类：问答