Make XML metadata optional, extract from HDF if XML not found #312

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	python-matrix:
	name: python-matrix
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9"]
	defaults:
	run:
	shell: bash -el {0}
	steps:
	- uses: actions/checkout@v2
	- name: Set up conda cache
	uses: actions/cache@v4
	with:
	path: ~/conda_pkgs_dir
	key: ${{ runner.os }}-conda-${{ hashFiles('**/environment.yml') }}
	restore-keys: ${{ runner.os }}-conda-
	- name: Set up pip cache
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('/setup.cfg', '/requirements-dev.txt') }}
	restore-keys: ${{ runner.os }}-pip-
	- name: Set up Conda with Python ${{ matrix.python-version }}
	uses: conda-incubator/setup-miniconda@v3
	with:
	python-version: ${{ matrix.python-version }}
	environment-file: environment.yml
	- name: Execute linters and test suites
	run: ./scripts/cibuild

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