Add Docker image file for CLI #1453

	name: Python Package CI

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

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	os:
	- macos-latest
	- ubuntu-latest
	python-version:
	- "3.9"

	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Create and Activate Virtual Environment
	run: \|
	python3 -m venv venv
	source venv/bin/activate

	- name: Set up Homebrew
	uses: Homebrew/actions/setup-homebrew@master

	- name: Install PyICU dependencies
	run: \|
	brew bundle install --file=Brewfile
	# configure PATH & PKG_CONFIG_PATH as per
	# https://gitlab.pyicu.org/main/pyicu
	echo "/opt/homebrew/opt/icu4c/bin:/opt/homebrew/opt/icu4c/sbin:$PATH" >> $GITHUB_PATH
	echo "PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/opt/homebrew/opt/icu4c/lib/pkgconfig" >> $GITHUB_ENV

	- name: Install Python Dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pylint pytest pytest-cov
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi

	- name: Lint with pylint
	run: \|
	# Only report linting, do not fail ci run.
	pylint $(git ls-files '*.py') --exit-zero

	- name: Test with pytest
	run: \|
	pytest

	- name: Test coverage with pytest-cov
	run: \|
	pytest --cov=src

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