Category "django"

What's the difference between staff, admin, superuser in django?

Django has superuser, staff, admin… superuser and staff are in django.contib.auth.models.UserManager. Then there is the createsuperuser command of djan

Django 3.2+: implementing case-sensitive string comparisons within MySQL tables

Django documentation (3.2 to 4.0) states: In MySQL, a database table’s collation determines whether string comparisons (such as the expression and substr

ModelSerializer field validation for empty string

I'm having a problem with django rest framework. My front is posting data to drf, and one of the fields could be null or an empty string "". # models.py class

Django channels testing with HttpCommunicator

I have a DRF application, which also has a single websocket consumer Now I'm trying to make a test case, which inherits from a Djano 3.1 TestCase. Said test cas

Image Not displaying in django getting 404 error

I followed official django documentation for image field.I am able to store the image in the database but when I try to display it in browser I am getting 404 e

VSCode breaks Django template tags with newline

Problem: {% extends 'base.html' %} {% block title %} Dashboard {% endblock %} {% block pagetitle %} becomes {% extends 'base.html' %} {% block title %} Dashboa

Python Django Web application not able to deploy on Heroku using Waitress server

I have tried to deployed my django application several times on Heroku and then i finally succeeded . It is working fine on localhost ,however, when i use the l

Reverse for `view` with arguments '('',)' not found. 1 pattern(s) tried: `[u'bms/update/(?P<id>[0-9]+)/$']`

This is my update view which I'm using to get pre-populated form. Although this is also not working. def update(request, id): item = get_object_or_404(Book

how can i make the field looks mandatory using HTML and CSS

I want to make a field mandatory but the *required in red color is coming below the field name which i want just beside to field name here is the HTML code &l

Django: list all reverse relations of a model

I would like my django application to serve a list of any model's fields (this will help the GUI build itself). Imagine the classes (ignore the fact that all f

Django pagination - nice urls

I did pagination in my django projet. Everything works just perfect, but my urls looks terrible, like host:8000/?page=1 How to create nice urls like host

Default value for foreign key in Django migrations.AddField

Using migrations, I need to add a new field (a foreign key) to a model. I know it can be done with: migrations.AddField( model_name='MyModel',

Register custom user model with admin auth

In a Django project, I have a custom user model that adds one extra field: class User(AbstractUser): company = models.ForeignKey(Company, null=True, blank

If statement on a Model.field

hopefully this is clear. I am trying to put together a view that takes care of what happens when a user places a bid on an active listing on the auction site I

How to assign items inside a Model object with Django?

Is it possible to override values inside a Model? I am getting 'MyModel' object does not support item assignment. my_model = MyModel.objects.get(id=1) print my

Can't run the server on Django (connection refused)

I finally (think) installed successfully PostgreSQL and also de psycopg2 (I use Windows). Btw, is some way to check it's working properly? Well, the thing now

Django websockets and channels group_send not working

I started looking into websockets and I would liek to implement realtime communication between web-client (Angular 13) and Python app. As backend I used Django

Getting Value of Selected Nav Pill

I'm trying to make a pair of nav pills to choose between a graphical and a tabular output for a set of data and I can't seem to figure out how to grab the value

How do I reset PYTHONPATH to "default" value in virtualenv?

I was struggling with installing dependencies for an external library (the requirements were already fulfilled) when I read that I should check if the install p

Equivalent of using if .. else as an expression in the Django Template Language

In Python, there are two ways to use if and else: either for Boolean flow control, in which case it is used with colons and indentation, or as an expression on