chore: add towncrier changelog workflow #1173

	name: Python

	on:
	push:
	branches:
	- "main"
	pull_request:
	branches:
	- "main"

	jobs:
	test:
	name: test-py-${{ matrix.python }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-20.04]
	python: ["3.9", "3.10", "3.11"]
	env:
	SUBSTRA_REF: main
	TOOLS_REF: main
	SRC_DIRS: substratest tests ci

	steps:
	- name: checkout repository
	uses: actions/checkout@v4

	- name: checkout substra
	uses: actions/checkout@v4
	with:
	repository: Substra/substra
	path: substra
	ref: ${{ env.SUBSTRA_REF }}

	- name: checkout substra tools
	uses: actions/checkout@v4
	with:
	repository: Substra/substra-tools
	path: substra-tools
	ref: ${{ env.TOOLS_REF }}

	- uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python }}

	- name: Install tools
	run: pip install -r <(egrep "flake\|black\|isort" requirements.txt)

	- name: Check formatting - Black
	run: \|
	black --check --diff $SRC_DIRS

	- name: Check formatting - isort
	run: \|
	isort --check $SRC_DIRS

	- name: Lint
	run: flake8 $SRC_DIRS

	- name: Install requirements
	run: \|
	pip install --no-cache-dir ./substra-tools
	pip install --no-cache-dir ./substra
	pip install --no-cache-dir -r requirements.txt
	pip install -r requirements-workflows.txt

	- name: Test
	run: \|
	make test-local

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