testpypi.yaml

name: TestPyPI

#
# Publishes package to TestPyPI using Poetry.
#
# - Can be used safely on all types of commit references.
# - Will fail if the the version is already available on TestPyPI.
# - No tests, sanity checks, or anything like that before release.
#
# Project page on TestPyPI: https://test.pypi.org/project/prometheus-fastapi-instrumentator
#

on:
  workflow_dispatch:
    inputs:
      version:
        description: Unique version to release to TestPyPI.
        type: string
        default: ""

env:
  poetry_version: "1.8.2"
  python_version: "3.12"

jobs:
  testpypi:
    name: TestPyPI
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      # ------------------------------------------------------------------------
      # Python & Poetry.

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ env.python_version }}

      - name: Cache Poetry installation
        uses: actions/cache@v4
        with:
          path: |
            ~/.local/bin/poetry
            ~/.local/share/pypoetry
          key: |-
            ${{ runner.os }}-poetry-installation-${{ env.python_version }}-${{ env.poetry_version }}-0

      - name: Install Poetry
        run: curl -sSL https://install.python-poetry.org | python -
        env:
          POETRY_VERSION: ${{ env.poetry_version }}

      # ------------------------------------------------------------------------
      # Release to TestPyPI.

      - name: Adjust package version
        if: ${{ inputs.version != '' }}
        run: poetry version -- ${{ inputs.version }}

      - name: Adjust __version__ variable
        if: ${{ inputs.version != '' }}
        run: |
          pversion="$(poetry version --short)"
          sed -i "/^__version__/c\__version__ = \"$pversion\"" src/*/__init__.py

      - name: Check version equality between Poetry and __version__
        run: |
          pattern="__version__ = \"$(poetry version --short)\""
          if ! grep -q -R -F --include="__init__.py" "$pattern" src; then
            echo "::error::No version equality between Poetry and __version__."; exit 1
          fi

      - name: Configure Poetry repo for TestPyPI
        run: poetry config repositories.testpypi https://test.pypi.org/legacy/

      - name: Publish to TestPyPI with Poetry
        run: poetry publish --build -n -r testpypi -u __token__ -p "$TOKEN"
        env:
          TOKEN: ${{ secrets.TESTPYPI_TOKEN }}