Update continuous_delivery.yml #9

	name: CD

	on:
	push:
	branches:
	- main

	jobs:
	check_version_and_publish:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: [ 3.8, 3.9 ]
	include:
	- python-version: 3.8
	enable_publish: true # Publish only for python 3.8

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install Poetry
	run: \|
	curl -sSL https://install.python-poetry.org \| python3 -
	export PATH="$HOME/.poetry/bin:$PATH"
	- name: Install project dependencies with Poetry
	run: \|
	poetry install
	- name: Extract version from pyproject.toml
	id: extract_version
	run: \|
	VERSION=$(poetry version -s)
	echo "PACKAGE_VERSION=${VERSION}" >> $GITHUB_ENV
	- name: Verify if version has changed
	id: version_check
	run: \|
	if [ $(git tag -l "v${{ env.PACKAGE_VERSION }}") ]; then
	echo "Version ${{ env.PACKAGE_VERSION }} already exists."
	exit 0
	fi
	- name: Verify whether to publish
	run: \|
	if ! (( ${{ matrix.enable_publish }} )) \|\| [ ${{ steps.version_check.outcome }} != "success" ]; then
	exit 0
	fi
	- name: Build and publish to pypi
	run: \|
	poetry config pypi-token.pypi ${{ secrets.PYPI_TOKEN }}
	poetry publish --build
	- name: Create a Git tag
	run: \|
	git config --global user.email "github-actions[bot]@users.noreply.github.com"
	git config --global user.name "GitHub Actions"
	git tag "v${{ env.PACKAGE_VERSION }}"
	git push origin "v${{ env.PACKAGE_VERSION }}"

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