add init function #563

	# -- coding: utf-8 --
	#
	# Copyright (C) 2020 CERN.
	# Copyright (C) 2022 Graz University of Technology.
	#
	# Invenio-Drafts-Resources is free software; you can redistribute it and/or modify
	# it under the terms of the MIT License; see LICENSE file for more details.

	name: CI

	on:
	push:
	branches: master
	pull_request:
	branches: master
	schedule:
	# * is a special character in YAML so you have to quote this string
	- cron: '0 3 * * 6'
	workflow_dispatch:
	inputs:
	reason:
	description: 'Reason'
	required: false
	default: 'Manual trigger'

	jobs:
	Tests:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: [3.7, 3.8, 3.9]
	requirements-level: [pypi]
	env:
	EXTRAS: tests
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Generate dependencies
	run: \|
	pip install wheel requirements-builder
	requirements-builder -e "$EXTRAS" --level=${{ matrix.requirements-level }} setup.py > .${{ matrix.requirements-level }}-${{ matrix.python-version }}-requirements.txt

	- name: Cache pip
	uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('.${{ matrix.requirements-level }}-${{ matrix.python-version }}-requirements.txt') }}

	- name: Install dependencies
	run: \|
	pip install -r .${{matrix.requirements-level}}-${{ matrix.python-version }}-requirements.txt
	pip install .[$EXTRAS]
	pip freeze

	- name: Run tests
	run: \|
	./run-tests.sh

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