Drop support for Python < 3.9 #12

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	cache: pip
	cache-dependency-path: \|
	dev-requirements.txt
	fluent.syntax/setup.py
	fluent.runtime/setup.py
	- run: python -m pip install -r dev-requirements.txt
	- run: python -m pip install ./fluent.syntax ./fluent.runtime
	- run: python -m flake8
	- run: python -m mypy fluent.syntax/fluent fluent.runtime/fluent
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.9, "3.10", 3.11, 3.12, pypy3.9, pypy3.10]
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: pip
	cache-dependency-path: \|
	fluent.syntax/setup.py
	fluent.runtime/setup.py
	- run: python -m pip install ./fluent.syntax ./fluent.runtime
	- run: python -m unittest discover -s fluent.syntax
	- run: python -m unittest discover -s fluent.runtime

	# Test compatibility with the oldest Python version we claim to support,
	# and for fluent.runtime's compatibility with a range of fluent.syntax versions.
	compatibility:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	fluent-syntax:
	- fluent.syntax==0.19.0
	- fluent.syntax==0.18.1 six
	- fluent.syntax==0.17.0 six
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: 3.9
	- run: python -m pip install ${{ matrix.fluent-syntax }}
	- run: python -m pip install ./fluent.runtime
	- run: python -m unittest discover -s fluent.runtime

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