update backend #319

	name: Build & Deploy

	# Build on every branch push, tag push, and pull request change:
	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	release:
	types: [created]

	jobs:
	build_wheels:
	name: Build wheels on ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]

	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Build wheels
	uses: pypa/[email protected]
	env:
	CIBW_ARCHS_MACOS: x86_64 arm64

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

	build_sdist:
	name: Build source distribution
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Build sdist
	run: pipx run build --sdist

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

	upload_all:
	name: Upload if release
	needs: [build_wheels, build_sdist]
	runs-on: ubuntu-latest
	# upload to PyPI on every tag starting with 'v'
	# if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
	# upload to PyPI on release event
	if: github.event_name == 'release' && success()
	steps:
	- uses: actions/setup-python@v4
	with:
	python-version: "3.x"

	- uses: actions/download-artifact@v3
	with:
	name: artifact
	path: dist

	- uses: pypa/[email protected]
	with:
	password: ${{ secrets.PYPI_API_TOKEN }}
	skip_existing: true
	verbose: true

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