pre-commit.yml

name: pre-commit

on:
  pull_request:
  push:
    branches: [main]
    paths-ignore:
      - 'constraints-*.txt'

jobs:
  pre-commit:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: [ "3.7", "3.8", "3.9", "3.10", "3.11", "3.12" ]
    name: Pre-commit python ${{ matrix.python-version }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 100
      - uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}
          cache: 'pip'
          cache-dependency-path: |
            requirements.txt
            mypy-requirements.txt
            dev-requirements.txt
          architecture: x64
      - name: Changed requirements.txt
        id: changed-requirements-txt
        uses: tj-actions/changed-files@v44
        with:
          files: requirements.txt

      - name: 'Install requirements (standard)'
        if: ${{ matrix.python-version != '3.6' && steps.changed-requirements-txt.outputs.any_changed == 'true' }}
        run: |
          pip install --upgrade pip wheel
          pip install -r requirements.txt
      - name: 'Install requirements (constraints)'
        if: ${{ matrix.python-version != '3.6' && steps.changed-requirements-txt.outputs.any_changed != 'true' }}
        run: |
          pip install --upgrade pip wheel
          pip install -r requirements.txt -c constraints-${{ matrix.python-version }}.txt
      #- name: 'Install requirements  (custom Python ${{ matrix.python-version }})'
      #  if: ${{ matrix.python-version == '3.6' }}
      #  run: |
      #    pip install wheel
      #    pip install -r requirements.txt -r requirements-additional-${{ matrix.python-version }}.txt
      - name: 'Freeze Python ${{ matrix.python-version }} constraints'
        run: |
          pip freeze > constraints-${{ matrix.python-version }}.txt
      - run: pip install -r dev-requirements.txt -r mypy-requirements.txt
      - name: MyPy cache
        uses: actions/cache@v3
        with:
          path: .mypy_cache/${{ matrix.python-version }}
          key: mypy-${{ matrix.python-version }}
      - name: 'pre-commit'
        uses: pre-commit/action@v3.0.1
#        if: ${{ matrix.python-version != '3.6' }}
        with:
          extra_args: --all -c .pre-commit-config.yaml
 #     - name: 'pre-commit (custom Python ${{ matrix.python-version }})'
 #       uses: pre-commit/action@v3.0.0
 #       if: ${{ matrix.python-version == '3.6' }}
 #       with:
 #         extra_args: --all -c .pre-commit-config-gh-${{ matrix.python-version }}.yaml
      - name: Check transitive dependencies licences
        id: license_check_report
#        uses: pilosus/action-pip-license-checker@v1.0.0
#        continue-on-error: true
        uses: pilosus/action-pip-license-checker@v2.0.0
        with:
          requirements: constraints-${{ matrix.python-version }}.txt
          fail: 'StrongCopyleft'
          exclude: 'pylint.*'
      - name: Print licences report
        if: ${{ always() }}
        run: echo "${{ steps.license_check_report.outputs.report }}"
      - uses: actions/upload-artifact@v3
        with:
          retention-days: 2
          path: constraints-${{ matrix.python-version }}.txt

  pull_request_changes:
    # Do this only when it is not a pull request validation
    if: github.event_name != 'pull_request'
    runs-on: ubuntu-latest
    name: Pull request with the newly generated contents
    needs:
      - pre-commit
    steps:
      - uses: actions/checkout@v3
      - uses: actions/download-artifact@v3
        with:
          path: changes-dir
      - name: Move artifacts to their right place
        run: |
          cp -dpr changes-dir/artifact/* .
          rm -r changes-dir/artifact
      - name: Create Pull Request
        id: cpr
        uses: peter-evans/create-pull-request@v5
        with:
          title: Updated constraints (triggered by ${{ github.sha }})
          branch: create-pull-request/patch-constraints
          delete-branch: true
          commit-message: "[create-pull-request] Automatically commit updated contents (constraints)"
      - name: Check outputs
        if: ${{ steps.cpr.outputs.pull-request-number }}
        run: |
          echo "Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
          echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"