CI: Add test_codegen.py job which only tests_codegen.py in isolation … #2

	# Test codegen.py in isolation of cuda.
	name: test_codegen.py

	on:
	# Branch pushes to codegen related files
	push:
	branches:
	- '**'
	paths:
	- ".github/workflows/test_codegen.yml"
	- "swig/python/codegen/**"
	- "tests/python/codegen/test_codegen.py"
	# Allow manual invocation.
	workflow_dispatch:

	defaults:
	run:
	shell: bash

	jobs:
	configure:
	runs-on: ubuntu-22.04
	strategy:
	fail-fast: false
	# Multiplicative build matrix
	matrix:
	python:
	- "3.8"
	- "3.9"
	- "3.10"
	- "3.11"
	- "3.12"

	# Name the job based on matrix/env options
	name: "test_codegen ${{matrix.python}}"

	# Define job-wide env constants, and promote matrix elements to env constants for portable steps.
	env:
	PYTHON: ${{ matrix.python}}

	steps:
	- uses: actions/checkout@v3

	- name: Select Python
	if: ${{ env.PYTHON != ''}}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ env.PYTHON }}

	- name: Install python dependencies
	if: ${{ env.PYTHON != ''}}
	run: \|
	python3 -m pip install --upgrade pytest astpretty

	- name: Run pytest on codegen.py
	run: \|
	python3 -m pytest tests/python/codegen/test_codegen.py

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