bem.sources: add outline method RectangularSource #204

	name: Build

	on: [push, pull_request]

	jobs:
	build_wheels:
	name: Build wheels on ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-20.04, ubuntu-22.04, macOS-11]
	# Exclude windows-2019

	steps:
	- uses: actions/checkout@v3


	- name: Build wheels
	uses: pypa/[email protected]
	# to supply options, put them in 'env', like:
	env:
	CIBW_ARCHS_MACOS: x86_64 universal2
	CIBW_SKIP: "{pp,musllinux*}"

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

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

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

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

	upload_pypi:
	needs: [build_wheels, build_sdist]
	name: Upload PyPI
	runs-on: ubuntu-latest
	# upload to PyPI on every tag starting with 'v'
	if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
	# alternatively, to publish when a GitHub Release is created, use the following rule:
	# if: github.event_name == 'release' && github.event.action == 'published'
	steps:
	- uses: actions/download-artifact@v3
	with:
	# unpacks default artifact into dist/
	# if `name: artifact` is omitted, the action will create extra parent dir
	name: artifact
	path: dist

	- uses: pypa/[email protected]
	with:
	user: __token__
	password: ${{ secrets.PYPI_API_TOKEN }}
	# To test: repository_url: https://test.pypi.org/legacy/

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