attempt to upgrade CI to use pdm #600

	# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
	#
	# This version is customized to use the local flake8rc and test with unpythonic.setup.fixtures.

	name: Python package

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", pypy-3.8, pypy-3.9, pypy-3.10]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8
	pip install pdm
	pdm python install ${{ matrix.python-version }}
	pdm install
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --config=flake8rc --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --config=flake8rc --count --exit-zero --max-complexity=100 --max-line-length=127 --statistics
	- name: Test with unpythonic.test.fixtures
	run: \|
	$(pdm venv activate)
	python runtests.py

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