Add github action for ci. #1

	name: Python CI

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.7, 3.8, 3.9]

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Cache pip
	uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install dependencies
	run: \|
	sudo apt-get install -qq phyml
	pip install --upgrade pip setuptools wheel
	pip install --only-binary=numpy,scipy numpy scipy
	pip install matplotlib ipython jupyter sympy pytest codecov pytest-cov
	pip install -r requirements.txt
	pip install .

	- name: Run tests
	run: pytest --cov-report=xml --cov=OrthoEvol tests/

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v2
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	files: ./coverage.xml
	fail_ci_if_error: true

	- name: Notify failure
	if: failure()
	run: echo "Build failed"

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