ci: Add timefold solver enterprise python CI

.github/workflows/downstream_python_enterprise.yml

@@ -0,0 +1,161 @@
+# Tests PRs on multiple operating systems and Python/Java versions
+name: Downstream - Timefold Solver Enterprise for Python
+
+on:
+  # Enables the workflow to run on PRs from forks;
+  # token sharing is safe here, because enterprise is a private repo and therefore fully under our control.
+  pull_request_target:
+    branches: [ main, '*.x' ]
+    types:
+      - opened
+      - reopened
+      - synchronize
+    paths-ignore:
+      - 'LICENSE*'
+      - '.gitignore'
+      - '**.md'
+      - '**.adoc'
+      - '*.txt'
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  build:
+    concurrency:
+      group: downstream-enterprise-python-${{ github.event_name }}-${{ github.head_ref }}
+      cancel-in-progress: true
+    timeout-minutes: 120
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+        with:
+          path: './timefold-solver-python'
+
+      # Need to check for stale repo, since Github is not aware of the build chain and therefore doesn't automate it.
+      - name: Checkout timefold-solver (PR) # Checkout the PR branch first, if it exists
+        id: checkout-solver
+        uses: actions/checkout@v4
+        continue-on-error: true
+        with:
+          repository: ${{ github.actor }}/timefold-solver
+          ref: ${{ github.head_ref }}
+          path: ./timefold-solver
+          fetch-depth: 0 # Otherwise merge will fail on account of not having history.
+      - name: Checkout timefold-solver (main) # Checkout the main branch if the PR branch does not exist
+        if: steps.checkout-solver.outcome != 'success'
+        uses: actions/checkout@v4
+        with:
+          repository: TimefoldAI/timefold-solver
+          ref: main
+          path: ./timefold-solver
+          fetch-depth: 0 # Otherwise merge will fail on account of not having history.
+      - name: Prevent stale fork of timefold-solver
+        env:
+          BLESSED_REPO: "timefold-solver"
+          BLESSED_BRANCH: ${{ endsWith(github.head_ref, '.x') && github.head_ref || 'main' }}
+        shell: bash
+        working-directory: ./timefold-solver
+        run: .github/scripts/prevent_stale_fork.sh
+
+      # Clone timefold-solver-enterprise
+      # Need to check for stale repo, since Github is not aware of the build chain and therefore doesn't automate it.
+      - name: Checkout timefold-solver-enterprise (PR) # Checkout the PR branch first, if it exists
+        id: checkout-solver-enterprise
+        uses: actions/checkout@v4
+        continue-on-error: true
+        with:
+          repository: TimefoldAI/timefold-solver-enterprise
+          ref: ${{ github.head_ref }}
+          token: ${{ secrets.JRELEASER_GITHUB_TOKEN }} # Safe; only used to clone the repo and not stored in the fork.
+          path: ./timefold-solver-enterprise
+          fetch-depth: 0 # Otherwise merge will fail on account of not having history.
+      - name: Checkout timefold-solver-enterprise (main) # Checkout the main branch if the PR branch does not exist
+        if: steps.checkout-solver-enterprise.outcome != 'success'
+        uses: actions/checkout@v4
+        with:
+          repository: TimefoldAI/timefold-solver-enterprise
+          ref: main
+          token: ${{ secrets.JRELEASER_GITHUB_TOKEN }} # Safe; only used to clone the repo and not stored in the fork.
+          path: ./timefold-solver-enterprise
+          fetch-depth: 0 # Otherwise merge will fail on account of not having history.
+      - name: Prevent stale fork of timefold-solver-enterprise
+        env:
+          BLESSED_REPO: "timefold-solver-enterprise"
+          BLESSED_BRANCH: ${{ endsWith(github.head_ref, '.x') && github.head_ref || 'main' }}
+        shell: bash
+        working-directory: ./timefold-solver-enterprise
+        run: ../timefold-solver/.github/scripts/prevent_stale_fork.sh
+
+      # Clone timefold-solver-python-enterprise
+      # Need to check for stale repo, since Github is not aware of the build chain and therefore doesn't automate it.
+      - name: Checkout timefold-solver-enterprise-python (PR) # Checkout the PR branch first, if it exists
+        id: checkout-solver-enterprise-python
+        uses: actions/checkout@v4
+        continue-on-error: true
+        with:
+          repository: TimefoldAI/timefold-solver-enterprise-python
+          ref: ${{ github.head_ref }}
+          token: ${{ secrets.JRELEASER_GITHUB_TOKEN }} # Safe; only used to clone the repo and not stored in the fork.
+          path: ./timefold-solver-enterprise-python
+          fetch-depth: 0 # Otherwise merge will fail on account of not having history.
+      - name: Checkout timefold-solver-python-enterprise-python (main) # Checkout the main branch if the PR branch does not exist
+        if: steps.checkout-solver-enterprise-python.outcome != 'success'
+        uses: actions/checkout@v4
+        with:
+          repository: TimefoldAI/timefold-solver-enterprise-python
+          ref: main
+          token: ${{ secrets.JRELEASER_GITHUB_TOKEN }} # Safe; only used to clone the repo and not stored in the fork.
+          path: ./timefold-solver-enterprise-python
+          fetch-depth: 0 # Otherwise merge will fail on account of not having history.
+      - name: Prevent stale fork of timefold-solver-enterprise-python
+        env:
+          BLESSED_REPO: "timefold-solver-enterprise-python"
+          BLESSED_BRANCH: ${{ endsWith(github.head_ref, '.x') && github.head_ref || 'main' }}
+        shell: bash
+        working-directory: ./timefold-solver-enterprise-python
+        run: ../timefold-solver/.github/scripts/prevent_stale_fork.sh
+
+      # Build and test
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: 17
+          distribution: 'temurin'
+          cache: 'maven'
+      # Need to install all Python versions in the same run for tox
+      - name: Python 3.10, Python 3.11, Python 3.12 Setup
+        uses: actions/setup-python@v4
+        with:
+          python-version: |
+            3.10
+            3.11
+            3.12
+          cache: 'pip'
+          cache-dependency-path: |
+            **/setup.py
+      - name: Install tox
+        run:
+          python -m pip install --upgrade pip
+          pip install tox build
+      - name: Quickly build timefold-solver
+        working-directory: ./timefold-solver
+        run: mvn -B -Dquickly clean install
+      - name: Quickly Build timefold-solver-enterprise
+        working-directory: ./timefold-solver-enterprise
+        shell: bash
+        run: mvn -B -Dquickly clean verify
+      - name: Build with Maven to install parent poms for python build
+        working-directory: ./timefold-solver-python
+        run: mvn -B --fail-at-end clean install
+      - name: Build timefold solver python
+        working-directory: ./timefold-solver-python
+        run: python -m build
+      - name: Run tox on timefold solver enterprise python test suite
+        working-directory: ./timefold-solver-enterprise-python
+        env:
+          PIP_FIND_LINKS: ${{ github.workspace }}/timefold-solver-python/dist
+        run: tox