Nightly CPU Tests #674

	name: "Nightly CPU Tests"

	on:
	schedule:
	- cron: 0 0 * * *
	workflow_dispatch:
	inputs:
	ref:
	description: 'Commit or branch to test (e.g., refs/pull/1234/merge)'
	type: string

	jobs:
	nightly-test:
	runs-on: ubuntu-22.04
	env:
	JUPYTER_PLATFORM_DIRS: "1"

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	ref: ${{ inputs.ref \|\| github.ref }}
	submodules: recursive

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.8'

	- name: Install
	run: \|
	pip install -U pip wheel
	pip install -v -e . -r ./tests/requirements.txt "torch>=0.0.0a1" "torchvision>=0.0.0a1" "torchaudio>=0.0.0a1" --extra-index-url https://download.pytorch.org/whl/nightly/cpu
	# Test PPE is importable with minimum dependency
	python -c 'import pytorch_pfn_extras'

	- name: Test CPU only
	run: \|
	make cputest

Provide feedback