Update requirements.txt #60

	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, windows-2019, macos-10.15]

	steps:
	- uses: actions/checkout@v2

	# Used to host cibuildwheel
	- uses: actions/setup-python@v2

	- name: Install cibuildwheel
	run: python -m pip install cibuildwheel==2.4.0

	- name: Build wheels
	run: python -m cibuildwheel py_bind --output-dir py_bind/wheelhouse

	- uses: actions/upload-artifact@v2
	with:
	path: py_bind/wheelhouse/*.whl


	build_sdist:
	name: Build source distribution
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: Build sdist
	run: cd py_bind && pipx run build --sdist

	- uses: actions/upload-artifact@v2
	with:
	path: py_bind/dist/*.tar.gz

	upload_pypi:
	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')
	# 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@v2
	with:
	name: artifact
	path: dist

	- uses: pypa/gh-action-pypi-publish@v1.4.2
	with:
	user: __token__
	password: ${{ secrets.pypi_password }}
	# To test: repository_url: https://test.pypi.org/legacy/

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