Update the UML Diagrams #16

	name: Update the UML Diagrams
	on:
	workflow_dispatch:
	schedule:
	- cron: '0 12 * * 1'

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions: write-all
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	ref: main
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.10"

	- name: Configure Git Identity
	run: \|
	git config user.name 'github-actions[bot]'
	git config user.email 'github-actions[bot]@users.noreply.github.com'
	- name: Update the UML Diagrams
	run: \|
	sudo apt-get update && sudo apt-get install -y graphviz
	make uml
	- name: Detect UML changes
	id: changes
	run: \|
	git add docs/source/uml/*.png
	if git diff --staged --exit-code; then
	echo "No changes to commit"
	echo "changes_exist=false" >> $GITHUB_OUTPUT
	else
	echo "changes_exist=true" >> $GITHUB_OUTPUT
	fi
	- name: Create PR for changes
	if: steps.changes.outputs.changes_exist == 'true'
	run: \|
	git checkout -b update-uml-diagrams
	git commit -m "Update UML Diagrams"
	git push -u origin update-uml-diagrams
	gh pr create \
	--base main \
	--title "Update UML Diagrams" \
	--body "This PR updates the UML diagrams
	This PR was created automatically by the [UML workflow](https://github.com/pymc-labs/CausalPy/blob/main/.github/workflows/uml.yml).
	See the logs [here](https://github.com/pymc-labs/CausalPy/actions/workflows/uml.yml) for more details." \
	--label "no releasenotes" \
	--reviewer drbenvincent
	env:
	GH_TOKEN: ${{ github.token }}

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