CI: Add support for Python 3.12 #3859

	name: Tests

	on:
	pull_request: ~
	push:
	branches: [ main ]

	# Allow job to be triggered manually.
	workflow_dispatch:

	# Cancel in-progress jobs when pushing to the same branch.
	concurrency:
	cancel-in-progress: true
	group: ${{ github.workflow }}-${{ github.ref }}

	jobs:
	tests:
	runs-on: ${{ matrix.os }}

	strategy:
	matrix:
	os: ["ubuntu-latest"]
	python-version: ["3.9", "3.10", "3.11", "3.12"]
	include:
	- os: "macos-latest"
	python-version: "3.12"
	- os: "windows-latest"
	python-version: "3.12"

	env:
	OS: ${{ matrix.os }}
	PYTHON: ${{ matrix.python-version }}

	defaults:
	run:
	shell: bash

	name: Python ${{ matrix.python-version }} on OS ${{ matrix.os }}
	steps:
	- name: Acquire sources
	uses: actions/checkout@v4

	- name: Install Poetry
	run: pipx install poetry

	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	architecture: x64
	cache: poetry
	cache-dependency-path: \|
	pyproject.toml
	poetry.lock

	- name: Install eccodes (Mac only)
	if: startsWith(matrix.os, 'macOS')
	run: \|
	brew install eccodes
	export WD_ECCODES_DIR=$(brew --prefix eccodes)

	- name: Install project
	run: .github/workflows/install.sh testing

	- name: Install Jupyter kernel
	run: poetry run python -m ipykernel install --name "python3" --user

	- name: Run tests
	run: \|
	poetry run pytest -vvv --numprocesses=auto -m "not (explorer or cflake)" tests
	poetry run pytest -vvv -m cflake tests

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