WASM

Bump actions/download-artifact from 3 to 4 #12

	name: WASM

	on:
	workflow_dispatch:
	pull_request:
	branches:
	- master

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build-wasm-emscripten:
	name: Pyodide
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	fetch-depth: 0

	- uses: actions/setup-python@v4
	with:
	python-version: "3.11"

	- name: Install pyodide-build
	run: pip install pyodide-build==0.23.4

	- name: Compute emsdk version
	id: compute-emsdk-version
	run: \|
	pyodide xbuildenv install --download
	EMSCRIPTEN_VERSION=$(pyodide config get emscripten_version)
	echo "emsdk-version=$EMSCRIPTEN_VERSION" >> $GITHUB_OUTPUT

	- uses: mymindstorm/setup-emsdk@v12
	with:
	version: ${{ steps.compute-emsdk-version.outputs.emsdk-version }}
	actions-cache-folder: emsdk-cache

	# A future version of pyodide may switch to -fwasm-exceptions
	- name: Build
	run: CFLAGS=-fexceptions LDFLAGS=-fexceptions pyodide build

	- uses: actions/upload-artifact@v3
	with:
	path: dist/*.whl

	- uses: actions/setup-node@v3
	with:
	node-version: 18

	- name: Set up Pyodide virtual environment
	run: \|
	pyodide venv .venv-pyodide
	.venv-pyodide/bin/pip install $(echo -n dist/*.whl)[test]

	- name: Test
	run: .venv-pyodide/bin/pytest

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