release.yml

name: release

on:
  push:
    branches:
      - main

jobs:
  build:
    strategy:
      matrix:
        python-version: [3.11]
        os: ['ubuntu-latest']
    runs-on: ${{ matrix.os }}
    steps:
        - name: Checkout code
          uses: actions/checkout@v2

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

        - name: Setup
          shell: bash
          run: |
              python -m pip install --upgrade pip
              python -m pip install build
              python -m build

        - name: Get versions
          id: get-versions
          shell: bash
          run: |
              python -c "
              import subprocess
              import tomllib

              vparse = lambda x: tuple(map(int, x.split('.')))

              with open('pyproject.toml', 'rb') as f:
                  data = tomllib.load(f)
              name = data['project']['name']
              checkout_version = data['project']['version']

              pypi_version = subprocess.run(f'python -m pip index versions {name}',
                                            shell=True, capture_output=True).stdout
              pypi_version = pypi_version.split(b'\n', 1)[0].split(b' ')[1][1:-1].decode('utf-8')
              new_version = str(vparse(checkout_version) > vparse(pypi_version)).lower()
              subprocess.run(f'echo name={name} >> $GITHUB_OUTPUT', shell=True)
              subprocess.run(f'echo tag=v{checkout_version} >> $GITHUB_OUTPUT', shell=True)
              subprocess.run(f'echo new-version={new_version} >> $GITHUB_OUTPUT', shell=True)
              print(f'Got checkout_version={vparse(checkout_version)!r}')
              print(f'Got pypi_version={vparse(pypi_version)!r}')
              print(f'Setting name={name}')
              print(f'Setting tag=v{checkout_version}')
              print(f'Setting new-version={new_version}')
              "

        - name: Test sdist
          id: test-sdist
          if: steps.get-versions.outputs.new-version == 'true'
          shell: bash
          run: |
              python -m pip install dist/*.tar.gz
              cd $(mktemp -d)
              set +e
              bash -c "
                python -m pip install pytest
                cp -r ${{ github.workspace }}/test ./test
                pytest  --disable-warnings
              "
              if [ "$?" -eq 0 ]
              then
                  echo result=true >> $GITHUB_OUTPUT
              else
                  echo result=false >> $GITHUB_OUTPUT
              fi
              set -e
              python -m pip uninstall -y -r <(pip freeze)
              cd ${{ github.workspace }}

        - name: Test bdist_wheel
          id: test-bdist-wheel
          if: steps.get-versions.outputs.new-version == 'true'
          shell: bash
          run: |
              python -m pip install dist/*.whl
              cd $(mktemp -d)
              set +e
              bash -c "
                python -m pip install pytest
                cp -r ${{ github.workspace }}/test ./test
                pytest  --disable-warnings
              "
              if [ "$?" -eq 0 ]
              then
                  echo result=true >> $GITHUB_OUTPUT
              else
                  echo result=false >> $GITHUB_OUTPUT
              fi
              set -e
              python -m pip uninstall -y -r <(pip freeze)
              cd ${{ github.workspace }}

        - name: Logging
          shell: bash
          run: |
              echo new-version=${{ steps.get-versions.outputs.new-version }}
              echo sdist-result=${{ steps.test-sdist.outputs.result }}
              echo bdist-result=${{ steps.test-bdist-wheel.outputs.result }}

        - name: Tag
          env:
            github_user: KyloRen1
            github_token: ${{ github.token }}
          if: (steps.get-versions.outputs.new-version == 'true') && (steps.test-sdist.outputs.result == 'true') && (steps.test-bdist-wheel.outputs.result == 'true')
          shell: bash
          run: |
              git config --global user.email "noreply@example.com"
              git config --global user.name "Action: Update Python project"
              git tag "${{ steps.get-versions.outputs.tag }}" -m ""
              git push https://$github_user:$github_token@github.com/${{ github.repository }} "${{ steps.get-versions.outputs.tag }}"

        - name: GitHub release
          env:
            github_token: ${{ github.token }}
          if: (steps.get-versions.outputs.new-version == 'true') && (steps.test-sdist.outputs.result == 'true') && (steps.test-bdist-wheel.outputs.result == 'true')
          uses: softprops/action-gh-release@v1
          with:
              name: "${{ steps.get-versions.outputs.name }} ${{ steps.get-versions.outputs.tag }}"
              body: "Autogenerated release notes as follows:"
              tag_name: "${{ steps.get-versions.outputs.tag }}"
              token: $github_token
              generate_release_notes: true

        - name: Push to PyPI
          env:
            pypi_token: ${{ secrets.pypi_token }}
            pypi_user: '__token__'
          if: (steps.get-versions.outputs.new-version == 'true') && (steps.test-sdist.outputs.result == 'true') && (steps.test-bdist-wheel.outputs.result == 'true')
          uses: pypa/gh-action-pypi-publish@release/v1
          with:
              user: $pypi_user
              password: $pypi_token

        - name: Email on success
          env:
            email_user: ${{ secrets.email_user }}
            email_target: ${{ secrets.email_target }}
            email_server: ${{ secrets.email_server }}
            email_token: ${{ secrets.email_token }}
          if: (steps.get-versions.outputs.new-version == 'true') && (steps.test-sdist.outputs.result == 'true') && (steps.test-bdist-wheel.outputs.result == 'true')
          shell: bash
          run: |
              python -c "
              from smtplib import SMTP
              from email.mime.text import MIMEText
              from_ = '$email_user'
              to = '$email_target'
              msg = MIMEText('')
              msg['From'] = from_
              msg['To'] = to
              msg['Subject'] = 'Deploy success | ${{ github.repository }} ${{ steps.get-versions.outputs.tag }}'
              with SMTP('$email_server') as s:
                  s.starttls()
                  s.login('$email_user', '$email_token')
                  s.sendmail(from_, [to], msg.as_string())
              "

        - name: Email on failure
          env:
            email_user: ${{ secrets.email_user }}
            email_target: ${{ secrets.email_target }}
            email_server: ${{ secrets.email_server }}
            email_token: ${{ secrets.email_token }}
          if: (steps.get-versions.outputs.new-version == 'true') && ((steps.test-sdist.outputs.result != 'true') || (steps.test-bdist-wheel.outputs.result != 'true'))
          shell: bash
          run: |
              python -c "
              from smtplib import SMTP
              from email.mime.text import MIMEText
              from_ = '$email_user'
              to = '$email_target'
              msg = MIMEText('')
              msg['From'] = from_
              msg['To'] = to
              msg['Subject'] = 'Deploy ERROR | ${{ github.repository }} ${{ steps.get-versions.outputs.tag }}'
              with SMTP('$email_server') as s:
                  s.starttls()
                  s.login('$email_user', '$email_token')
                  s.sendmail(from_, [to], msg.as_string())
              "
        
        - name: Fail
          if: (steps.get-versions.outputs.new-version == 'true') && ((steps.test-sdist.outputs.result != 'true') || (steps.test-bdist-wheel.outputs.result != 'true'))
          shell: bash
          run: exit 1