Upgrade Python to version 3.12

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
           cache: pip
       - name: Install dependencies
         run: pip install -r requirements.txt
@@ -56,7 +56,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
           cache: pip
       - name: Install dependencies
         run: pip install -r requirements.txt
@@ -100,7 +100,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
           cache: pip
           cache-dependency-path: |
             requirements.txt

.github/workflows/django-issue-checker.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

.github/workflows/pre-commit-autoupdate.yml

@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
 
       - name: Install pre-commit
         run: pip install pre-commit

.github/workflows/update-changelog.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

.github/workflows/update-contributors.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

.pre-commit-config.yaml

@@ -2,7 +2,7 @@ exclude: "{{cookiecutter.project_slug}}|.github/contributors.json|CHANGELOG.md|C
 default_stages: [commit]
 
 default_language_version:
-  python: python3.11
+  python: python3.12
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
@@ -29,7 +29,7 @@ repos:
     rev: v3.15.1
     hooks:
       - id: pyupgrade
-        args: [--py311-plus]
+        args: [--py312-plus]
         exclude: hooks/
 
   - repo: https://github.com/psf/black

.readthedocs.yaml

@@ -8,7 +8,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.11"
+    python: "3.12"
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx:

CONTRIBUTING.md

@@ -18,20 +18,20 @@ This last step is very important, don't start developing from master, it'll caus
 
 ## Testing
 
-You'll need to run the tests using Python 3.11. We recommend using [tox](https://tox.readthedocs.io/en/latest/) to run the tests. It will automatically create a fresh virtual environment and install our test dependencies, such as [pytest-cookies](https://pypi.python.org/pypi/pytest-cookies/) and [flake8](https://pypi.python.org/pypi/flake8/).
+You'll need to run the tests using Python 3.12. We recommend using [tox](https://tox.readthedocs.io/en/latest/) to run the tests. It will automatically create a fresh virtual environment and install our test dependencies, such as [pytest-cookies](https://pypi.python.org/pypi/pytest-cookies/) and [flake8](https://pypi.python.org/pypi/flake8/).
 
 We'll also run the tests on GitHub actions when you send your pull request, but it's a good idea to run them locally before you send it.
 
 ### Installation
 
-First, make sure that your version of Python is 3.11:
+First, make sure that your version of Python is 3.12:
 
 ```bash
 $ python --version
-Python 3.11.3
+Python 3.12.2
 ```
 
-Any version that starts with 3.11 will do. If you need to install it, you can get it from [python.org](https://www.python.org/downloads/).
+Any version that starts with 3.12 will do. If you need to install it, you can get it from [python.org](https://www.python.org/downloads/).
 
 Then install `tox`, if not already installed:
 

README.md

@@ -20,7 +20,7 @@ production-ready Django projects quickly.
 ## Features
 
 - For Django 4.2
-- Works with Python 3.11
+- Works with Python 3.12
 - Renders Django projects with 100% starting test coverage
 - Twitter [Bootstrap](https://github.com/twbs/bootstrap) v5
 - [12-Factor](https://12factor.net) based settings via [django-environ](https://github.com/joke2k/django-environ)

docs/deployment-on-pythonanywhere.rst

@@ -37,7 +37,7 @@ Make sure your project is fully committed and pushed up to Bitbucket or Github o
     mkvirtualenv --python=/usr/bin/python3.10 my-project-name
     pip install -r requirements/production.txt  # may take a few minutes
 
-.. note:: We're creating the virtualenv using Python 3.10 (``--python=/usr/bin/python3.10```), although Cookiecutter Django generates a project for Python 3.11. This is because, at time of writing, PythonAnywhere only supports Python 3.10. It shouldn't be a problem, but if is, you may try changing the Python version to 3.11 and see if it works. If it does, please let us know, or even better, submit a pull request to update this section.
+.. note:: We're creating the virtualenv using Python 3.10 (``--python=/usr/bin/python3.10```), although Cookiecutter Django generates a project for Python 3.12. This is because, at time of writing, PythonAnywhere only supports Python 3.10. It shouldn't be a problem, but if is, you may try changing the Python version to 3.12 and see if it works. If it does, please let us know, or even better, submit a pull request to update this section.
 
 Setting environment variables in the console
 --------------------------------------------

docs/developing-locally.rst

@@ -9,7 +9,7 @@ Setting Up Development Environment
 
 Make sure to have the following on your host:
 
-* Python 3.11
+* Python 3.12
 * PostgreSQL_.
 * Redis_, if using Celery
 * Cookiecutter_
@@ -18,7 +18,7 @@ First things first.
 
 #. Create a virtualenv: ::
 
-    $ python3.11 -m venv <virtual env path>
+    $ python3.12 -m venv <virtual env path>
 
 #. Activate the virtualenv you have just created: ::
 

hooks/pre_gen_project.py

@@ -39,7 +39,7 @@ if "{{ cookiecutter.use_docker }}".lower() == "n":
     if python_major_version == 2:
         print(
             WARNING + "You're running cookiecutter under Python 2, but the generated "
-            "project requires Python 3.11+. Do you want to proceed (y/n)? " + TERMINATOR
+            "project requires Python 3.12+. Do you want to proceed (y/n)? " + TERMINATOR
         )
         yes_options, no_options = frozenset(["y"]), frozenset(["n"])
         while True:

pyproject.toml

@@ -15,7 +15,7 @@ norecursedirs = [
 # ==== black ====
 [tool.black]
 line-length = 119
-target-version = ['py311']
+target-version = ['py312']
 
 
 # ==== isort ====

setup.py

@@ -30,7 +30,7 @@ setup(
         "License :: OSI Approved :: BSD License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: Implementation :: CPython",
         "Topic :: Software Development",
     ],

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 skipsdist = true
-envlist = py311,black-template
+envlist = py312,black-template
 
 [testenv]
 deps = -rrequirements.txt

{{cookiecutter.project_slug}}/.drone.yml

@@ -13,7 +13,7 @@ environment:
 steps:
 - name: lint
   pull: if-not-exists
-  image: python:3.11
+  image: python:3.12
   environment:
     PRE_COMMIT_HOME: ${CI_PROJECT_DIR}/.cache/pre-commit
   volumes:
@@ -36,7 +36,7 @@ steps:
   - docker-compose -f local.yml up -d
   - docker-compose -f local.yml run django pytest
   {%- else %}
-  image: python:3.11
+  image: python:3.12
   commands:
   - pip install -r requirements/local.txt
   - pytest

{{cookiecutter.project_slug}}/.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
 
       {%- if cookiecutter.open_source_license != 'Not open source' %}
       # Consider using pre-commit.ci for open source project
@@ -84,7 +84,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           cache: pip
           cache-dependency-path: |
             requirements/base.txt

{{cookiecutter.project_slug}}/.gitlab-ci.yml

@@ -13,7 +13,7 @@ variables:
 
 precommit:
   stage: lint
-  image: python:3.11
+  image: python:3.12
   variables:
     PRE_COMMIT_HOME: ${CI_PROJECT_DIR}/.cache/pre-commit
   cache:
@@ -40,7 +40,7 @@ pytest:
   script:
     - docker compose -f local.yml run django pytest
   {%- else %}
-  image: python:3.11
+  image: python:3.12
   tags:
     - python
   services:

{{cookiecutter.project_slug}}/.pre-commit-config.yaml

@@ -2,7 +2,7 @@ exclude: '^docs/|/migrations/|devcontainer.json'
 default_stages: [commit]
 
 default_language_version:
-  python: python3.11
+  python: python3.12
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks

{{cookiecutter.project_slug}}/.readthedocs.yml

@@ -8,7 +8,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: '3.11'
+    python: '3.12'
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx:

{{cookiecutter.project_slug}}/.travis.yml

@@ -2,7 +2,7 @@ dist: focal
 
 language: python
 python:
-  - "3.11"
+  - "3.12"
 
 services:
   - {% if cookiecutter.use_docker == 'y' %}docker{% else %}postgresql{% endif %}
@@ -37,7 +37,7 @@ jobs:
         - sudo apt-get install -qq libsqlite3-dev libxml2 libxml2-dev libssl-dev libbz2-dev wget curl llvm
       language: python
       python:
-        - "3.11"
+        - "3.12"
       install:
         - pip install -r requirements/local.txt
       script:

{{cookiecutter.project_slug}}/compose/local/django/Dockerfile

@@ -1,5 +1,5 @@
 # define an alias for the specific python version used in this file.
-FROM docker.io/python:3.11.8-slim-bookworm as python
+FROM docker.io/python:3.12.2-slim-bookworm as python
 
 # Python build stage
 FROM python as python-build-stage

{{cookiecutter.project_slug}}/compose/local/docs/Dockerfile

@@ -1,5 +1,5 @@
 # define an alias for the specific python version used in this file.
-FROM docker.io/python:3.11.8-slim-bookworm as python
+FROM docker.io/python:3.12.2-slim-bookworm as python
 
 
 # Python build stage

{{cookiecutter.project_slug}}/compose/production/django/Dockerfile

@@ -25,7 +25,7 @@ RUN npm run build
 
 {%- endif %}
 # define an alias for the specific python version used in this file.
-FROM docker.io/python:3.11.8-slim-bookworm as python
+FROM docker.io/python:3.12.2-slim-bookworm as python
 
 # Python build stage
 FROM python as python-build-stage

{{cookiecutter.project_slug}}/pyproject.toml

@@ -18,7 +18,7 @@ plugins = ["django_coverage_plugin"]
 
 # ==== mypy ====
 [tool.mypy]
-python_version = "3.11"
+python_version = "3.12"
 check_untyped_defs = true
 ignore_missing_imports = true
 warn_unused_ignores = true
@@ -88,7 +88,7 @@ exclude = [
 # Same as Django: https://github.com/cookiecutter/cookiecutter-django/issues/4792.
 line-length = 88
 indent-width = 4
-target-version = "py311"
+target-version = "py312"
 
 [tool.ruff.lint]
 select = [

{{cookiecutter.project_slug}}/runtime.txt

@@ -1 +1 @@
-python-3.11.8
+python-3.12.2