BUILD: Remove cython as hard build dependency. #189

	name: CI

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	workflow_dispatch:

	defaults:
	run:
	shell: bash -l {0}

	jobs:
	build-and-test:
	runs-on: ${{ matrix.os }}

	strategy:
	matrix:
	os: [ ubuntu-20.04, macOS-11, windows-2019 ]
	python-version: [ '3.9', 'pypy3.9', '3.10', '3.11', '3.12' ]
	fail-fast: false

	name: Python version - ${{ matrix.python-version }} - ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4.7.1
	with:
	python-version: ${{ matrix.python-version }}
	allow-prereleases: true

	- uses: tj-actions/changed-files@v36
	- uses: pre-commit/action@v3.0.0
	with:
	extra_args: --files ${{ steps.changed-files.outputs.all_changed_files }}

	- name: Install Dependencies
	run: \|
	python3 -m pip install --upgrade pip
	python3 -m pip install -r requirements-dev.txt

	- name: Run Pytest, report coverage
	# Cython's linetracing is broken in 3.12 due to changes in the python c-API
	# so we have to turn if off and not report coverage for the version until
	# it can be used again. See: https://github.com/cython/cython/issues/5470
	env:
	BUILD_WITH_COVERAGE: true
	run: \|
	cythonize polyagamma/*.pyx -X linetrace=${{ contains(fromJSON('["3.12", "pypy3.9"]'), matrix.python-version) && 'False' \|\| 'True' }}
	python3 -m pip install -e .
	pytest -v --cov-branch --cov=polyagamma tests/ --cov-report=xml

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3
	with:
	files: ./coverage.xml
	fail_ci_if_error: false

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