Update dependencies in poetry lockfile #115

	name: Update dependencies in poetry lockfile

	on:
	schedule:
	- cron: '0 1 * * 1'
	workflow_dispatch:
	push:
	branches: main
	paths:
	- .github/workflows/update_dependencies.yml

	jobs:
	update_dependencies:
	runs-on: ubuntu-latest
	steps:
	# Check out repo and set up Python
	- uses: actions/checkout@v4
	with:
	lfs: true

	- uses: tibdex/github-app-token@v1
	id: generate-token
	with:
	app_id: ${{ secrets.APP_ID }}
	private_key: ${{ secrets.APP_PRIVATE_KEY }}

	# Use cached python and dependencies, install poetry
	- name: "Setup Python, Poetry and Dependencies"
	uses: packetcoders/action-setup-cache-python-poetry@main
	with:
	python-version: 3.8
	poetry-version: 1.2.2

	# update poetry lockfile
	- name: "Update poetry lock file"
	id: update
	run: \|
	poetry self update
	exec 5>&1
	UPDATE_OUTPUT=$(poetry update\|tee >(cat - >&5))
	echo "UPDATE_OUTPUT<<EOF" >> $GITHUB_OUTPUT
	echo "$UPDATE_OUTPUT" >> $GITHUB_OUTPUT
	echo "EOF" >> $GITHUB_OUTPUT

	- name: Obtain git status
	id: status
	run: \|
	exec 5>&1
	STATUS=$(git status\|tee >(cat - >&5))
	echo "STATUS<<EOF" >> $GITHUB_OUTPUT
	echo "$STATUS" >> $GITHUB_OUTPUT
	echo "EOF" >> $GITHUB_OUTPUT

	# create pull request if necessary
	- name: "Create Pull Request"
	uses: peter-evans/create-pull-request@v5
	if: ${{ contains(steps.status.outputs.STATUS, 'poetry.lock') \|\| contains(steps.status.outputs.STATUS, 'requirements.txt')}}
	with:
	token: ${{ steps.generate-token.outputs.token }}
	commit-message: Update dependencies
	title: "Update dependencies"
	body: \|
	Dependency updates using Poetry:
	${{ steps.update.outputs.UPDATE_OUTPUT }}

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