Category: Django

Hide a specific `ModelForm` field in a Django 5 Admin Inline while still passing initial values as a dict — combine `formfield_overrides` with `get_initial`.

How to Create a Login View in Django Allauth Without Specifying the Social Account Backend in the URL

I updated Django to version 5.0 and also updated other libraries. When I executed the code for sending an email, an ssl.SSLCertVerificationError occurred.

When looking at the assertEqual method in Django's unit tests, the first argument is named 'first' and the second argument is named 'second'. It appears that there is no difference in the usage of these variables.

pipenv install throws "AttributeError: module 'pkgutil' has no attribute 'ImpImporter'" on Python 3.12. Run `python3 -m ensurepip --upgrade` in both the global and virtualenv, or rebuild the pipenv environment.

Fix `symbol not found in flat namespace '_mysql_affected_rows'` when importing MySQLdb in Python — rebuild mysqlclient against the right MySQL client library.

Here's an overview in English: How to change the user of an already established session using the Django shell. Please do not attempt this in a production environment as it can be dangerous.

This article explains how to directly view the contents of Django Redis using the Django shell.

I usually write data copy scripts in bash, but I tried writing one in Python this time and decided to document it.

During an IT audit, it was necessary to represent the scale of the application. To achieve this, I decided to consider the total number of URLs in Django as an indicator of the application's scale.

Build a macOS Service (Quick Action) that sends `find` results to the clipboard via `pbcopy` — works back to Big Sur.

Use `mkdir -p ... && cd $_` on macOS to chain create-and-enter reliably without race conditions.

Summary of the blog post in English: "Django Logging Configuration: Output to Console Instead of File"

Return a common post-login redirect target in Django Allauth without specifying a SocialAccount — how `LOGIN_REDIRECT_URL` behaves and how to override it.

Why switch a Django Docker image from Alpine + uWSGI to Debian + Daphne (ASGI), with example Dockerfile and Kubernetes manifest changes.

If you are using version 4 of tinyMCE, you can add an onChange event in the setup option of tinyMCE.init.

When creating unit tests in Django, there are times when you need a Request (WSGIRequest).

Here is the solution for resolving the ImportError: cannot import name 'ugettext_lazy' from 'django.utils.translation' that occurs when running manage.py hoge in Django.

If a Django MySQL connection still hits 'No DB engine substitution' despite setting `ENGINE` to `django.db.backends.mysql`, here is the root cause and fix.

Insert a custom HTML snippet or help text into a Django Admin Inline formset (TabularInline / StackedInline) — implementation patterns.

If you want to create a different URL for Django's Admin while keeping /admin/ intact: Create an instance using `from django.contrib.admin import AdminSite` and `site = AdminSite(name='staff')`.

If you encounter the django.db.utils.InterfaceError: "(0, '')" error When this error occurs intermittently during get operations depending on the table or record, it might be due to a mismatch in the connection character encoding.

If a Django project that has been working until now fails to start after a long time with the following error: ``` version_info, _mysql.version_info, _mysql.__file__ NameError: name '_mysql' is not defined ```

When running `python3 ./manage.py runserver 8080`, I encountered the error `django.db.utils.OperationalError: (2000, 'Unknown MySQL error')`. This error occurs when the `OPTIONS` setting includes `'charset': 'utf8mb4'`.

Introduction to Python Code for APIView.

MySQLdb._exceptions.OperationalError: (1467, 'Failed to read auto-increment value from storage engine') In Django, when you specify an implicit id, the above error occurs if the auto increment value reaches its upper limit.

Fix `from_db_value() missing 1 required positional argument: 'context'` on custom Django fields after upgrading to Django 3 — adapt to the removed `context` arg.

Stop PyCharm / JetBrains project view from opening files on a single click — how to require a double click instead.

Use freezegun in Django tests so that "one day later" or relative offsets work correctly under `USE_TZ=True`.

When developing with Vue, if you are running a webpack dev server and using Django for the API backend along with Django's authentication using Python social auth and an external Auth provider, you may encounter an issue.

Avoid `table already exists` failures in Django tests when running with `--keepdb` after cancelling migrations — how to forcibly reset the test DB migration state.

Django: Best way to unit-test an abstract model - Stack Overflowhttps://stackoverflow.com/questions/4281670/django-best-way-to-unit-test-an-abstract-model

One-liner to count upgradable packages with `apt list --upgradable`, plus a shell script to surface the number in the MOTD login banner.

※ This does not mean creating constraints in an RDB. It simply means creating a ForeignKey field that works for now.

Make Django's `request.build_absolute_uri()` return HTTPS behind Apache + ELB — `USE_X_FORWARDED_HOST` and `SECURE_PROXY_SSL_HEADER` settings.

When using Django, setting `Meta: managed = False` in a model can sometimes lead to a `ProgrammingError` during unit tests from other apps when attempting operations such as `create()`. This is a memo on how to address this issue.

When I tried to migrate a project using Python 2.7 + Django 1.6 to Python 3.5 + Django 2.0 and recreated the migration files, running ./manage.py migrate resulted in the following error:

On Ubuntu 14.04, Selenium ChromeDriver exits with status 127 when `libgconf-2.so.4` is missing. Run `sudo apt install libgconf2-4` to fix it.

I'm writing this down because I always get flustered.

Base View Class for Downloading SJIS CSV in Django

Using SimpleListFilter for Easy Implementation

Since I often make mistakes, here's a note.

Fix Django CSRF token failure on an AWS ELB → Apache2 → uWSGI stack. The pitfall is the HTTP/HTTPS scheme detection when switching from mod_wsgi to uWSGI.

How to return a Shift-JIS (CP932) CSV download response from Django on Python 3 — write to StringIO as Unicode first, then encode to cp932 in one shot.

I want to redirect people who access /url-path-before/feature/hoge/ to /url-path-after/feature/hoge/.

If your Twitter Developer API account is banned / suspended, how to write an appeal to Twitter support and what to include in the reappeal.

Sample remote interpreter / SSH setup for developing Rails inside a Vagrant VM using RubyMine.

Page through Django model instances retrieved via a complex query (raw SQL or composed Q objects) using Paginator, with a working implementation pattern.

This is a method to create a full-text index in MySQL using the DB migration feature in Django 1.7 and above.

I was wrong.

```html Here are two methods to output an HTML template as it is using Django's TemplateView class, but replacing strings in the output result at once.

url(r'^login/', 'django.contrib.auth.views.login', name='login', kwargs={'template_name': 'admin/login.html', 'extra_context': {'next': '/'}}), Write this link in the template as follows,

There is a system called Mezzanine for building a CMS on Python + Django. By default, blog entries are written using a WYSIWYG HTML editor, but I wanted to write them using reStructured Text (reST, rst), so I did some research.

1. Define change_form_template in the admin.py module Specify the location of the custom template

Rollback the migration, delete all migration scripts, and then redo the schema migrations.

```python

```html Using template tags like lorem, you can create dummy data for articles utilizing the django.contrib.webdesign.lorem_ipsum package.

When you pass a GET query like

```python

Disable Deletion from List Checkboxes Create a file like common/admins.py