Tag: django

How can I serialize a queryset from an unrelated model as a nested serializer?

django django-rest-framework postgresql python serialization

I’m trying to add a nested serializer to an existing serializer based on some criteria of the parent model, not a foreign key. The use case is to return a ‘Research’ object with an array of ‘ResearchTemplate’ objects that are identified by filtering on a Postgres ArrayField. Mode…

Invalid Endblock tag in django

django django-templates python

I am receiving an error message when I go to one of my pages in my Django project, as it is saying that the End-block tag is invalid (asks whether I remembered to register or load). The error looks like this: My code for this template – (login.html) – is below: I am very confused, and I am wonderi…

How to set environment variables in PyCharm?

django environment-variables python

I have started to work on a Django project, and I would like to set some environment variables without setting them manually or having a bash file to source. I want to set the following variables: I have read this, but that does not solve what I want. In addition, I have tried setting the environment variable…

How to redirect from a view to another view In Django

django django-views python python-3.x redirect

This is a view written for my posts app in Django. The problem is that after filling the update form and submitting it happens successfully. But it creates confusion for the user because the same HTML page is there and how can I redirect into the updated object? Answer You can use redirect from http shortcuts…

How to test a Django on_commit hook without clearing the database?

django python testing transactions

The on_commit function has been added to Django 1.9 to be able to trigger an action (e.g. a Celery task) after the current transaction has committed. They mention later in the docs that one should use TransactionTestCase to test features that rely on that function. However, unlike TestCase (which uses transac…

ModuleNotFoundError: No module named ‘forms’

django python

New to django, I am trying to understand this error. The forms is in the folder of the project. My forms.py is importing from django forms. My views.py is importing LoginForm I don’t know why I am getting this error? Thanks Answer It sounds like it should be working, you might want to post the full erro…

Create a wav file from blob audio django

audio blob django python wav

On the client side, I am sending a blob audio (wav) file. On the server side, I am trying to convert the blob file to an audio wav file. I did the following: I thought that converting the blob would be similar to converting a blob image to a jpeg file, but was very incorrect in that assumption. That didn&#821…

django error on migration: “There is no unique constraint matching given keys for referenced table

django postgis python

So I have seen that a lot of these kinds of questions have popped up (few answered) and none in a Django aspect that I saw. I am confused why I am getting the error, I am guessing i am missing something on my field decorator or what not in my model definition. Here are the two models… (one abbreviated).

Why PDFKit doesn’t work well with margins?

django pdf pdfkit python

although I just don’t have the need to ask something normally (internet is just a gold mine, especially this site), this is getting me off, as I had been two days trying to get this working and I don’t find anything useful. Link for similar post would be thanked if founded, as I didn’t found…