I am trying to rewrite a function view that download files into a classview. However I don’t see how to do it properly with the right methods, since I have an argument from the url. Then I do not which on of the class view I should be using. I did an attemps that is worrking, but I do not
Tag: django
Unsupported lookup ‘category’ for CharField or join on the field not permitted
models.py: This is my views.py file. I show error at: bestseller = Product.objects.filter(product__category__icontains=’BestSeller’) views.py: I want to Bestseller category product at index.html I use Django 4 and pyhton 3.9 Answer You can’t use CharField as a ForeignKey. It should be like this: Or like this (the same logic): This will output all Products in category with name BestSeller.
Nested Serializer save post foreign key in django
In my project, the relationship between Product and Group is ManytoOne. When I tried to post a new product, it cannot work. I’m sure there are more issues with this code and I will appreciate a detailed answer, because I am new to Django and Python. Thank you in advance. models.py serializers.py views.py Answer First change serializers.py: Then change views.py:
DRF – Relate an object to another using views, serializers and foreign key
Basically I have two models with one-to-one relationship. And I want retrieve information from one, when I call the other. My models: So I can just call an POST and create an Customer, that customer will have id, first_name and last_name. For now everything is working. But when I try to call my endpoint to create an CurrentAccount informing my
How to run a forloop in django views.py?
I want to iterate over a queryset and if there is a new user added, I want to add some points for a specific user. To be more clear with what i am building: => I am writing a referral system logic in django. The referral system works fine now, but what i want to implement is this. When i
Override (save_model) in django admin for All models/apps in projects
How could I implement override save method for all models in all Apps inside Admin panel? I can implement it in one or two models “inherit and adding it in register method”, but I really need it to execute whenever admin clicks save in Admin panel and implement some code before save. Answer In my team we already overridden ModelAdmin
VSCode not using test database for Django tests
I’ve got an issue where VSCode’s test feature uses the production database instead of creating a test database. tests.py I have previously created 1 instance of SomeModel, so if you do SomeModel.objects.all() in the shell, it returns a queryset with that one instance. If I run this test from vscode’s tester it will fail. And when I debug it, I
Edit Form Submit handler for a Model
I have a fairly simple django model in a Wagtail CMS; essentially: I need to perform an action when this model is saved via the Wagtail model edit form (eg /admin/section/thingy/123/edit). Currently, I have registered a post_save signal, however this has resulted in the method being called when the model is saved programmatically (via an import sync task). I’ve had
Django join tables with ForeignKey
I’m trying to join 3 tables with ForeignKey but it returns Null values. I’m using select related and also I tried Insight.objects.all() but both are not working. Here are my models: My View: Answer I solved my problem by the below, I could update the DB with the result of the below query
serializer not being called AttributeError: ‘str’ object has no attribute ‘_meta’
I modified the Auth User by using AbstractUser Class. Registered it in settings. Everything else is working I can create an instance using the User Model BUT The Problem comes during the serialization. My serializer doesn’t throw any error, but any time I try and use the serializer.data I get AttributeError: ‘str’ object has no attribute ‘_meta’. User Model Custom