update_langs.yml

name: Update Languages

on:
  schedule:
    # At 01:00 AM, on Monday
    - cron: 0 1 * * 1
  workflow_dispatch:

env:
  CURR_LANG_FILE_PATH: ${{github.workspace}}/gtts/langs.py
  TEMP_LANG_FILE_PATH: ${{github.workspace}}/scripts/langs_temp.py

jobs:
  gen_langs:
    runs-on: ubuntu-latest
    name: Create PR

    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"
      - name: Install gTTS
        run: |
          python -m pip install --upgrade pip
          pip install .
      - name: Run gen_langs.py
        # Generate languages from the source
        run: python scripts/gen_langs.py ${TEMP_LANG_FILE_PATH}
      - name: Run check_langs.py
        # Compare generated languages with current ones
        id: check_langs
        run: python scripts/check_langs.py

      # Only do the rest (update/create pr) if a commit is needed
      - name: Update langs.py
        # Replace gtts langs.py with langs_temps
        if: ${{ fromJSON(steps.check_langs.outputs.must_commit) }}
        run: cp "${TEMP_LANG_FILE_PATH}" "${CURR_LANG_FILE_PATH}"
        # Create new branch/PR with any changes
      - name: Create PR
        if: ${{ fromJSON(steps.check_langs.outputs.must_commit) }}
        uses: peter-evans/create-pull-request@v7
        with:
          add-paths: ${{ env.CURR_LANG_FILE_PATH }}
          commit-message: ${{ env.LANGS_COMMIT_MESSAGE }} # from check_langs
          delete-branch: true
          base: main
          title: Language Updates
          body: |
            This PR was created automatically because languages changes were detected upstream:
            > ${{ env.LANGS_COMMIT_MESSAGE }}