Make EDTF parser available as undate formatter; handle 5+ digit years #112

	name: Check style + docs + types

	on:
	pull_request:

	jobs:
	check:
	runs-on: ubuntu-latest

	defaults:
	run:
	working-directory: .

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.10
	uses: actions/setup-python@v5
	with:
	python-version: "3.10"
	cache: 'pip'
	cache-dependency-path: '**/setup.cfg'
	- name: Install package with dependencies
	run: pip install -e ".[dev]"
	if: steps.python-cache.outputs.cache-hit != 'true'

	# check code style
	- name: Run black
	run: black src --check --diff

	# check docs
	- name: Check that documentation can be built
	run: tox -e docs

	# check types with mypy
	- name: Install mypy
	run: pip install mypy
	- name: Check types in python src directory; install needed types
	run: mypy --install-types --non-interactive src

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