[ci] Build RobotPy in tools workflow (#6800)

.github/workflows/tools.yml

@@ -35,7 +35,7 @@ jobs:
         with:
           image: wpilib/roborio-cross-ubuntu:2025-22.04
           options: -v ${{ github.workspace }}:/work -w /work -e GITHUB_REF -e CI -e DISPLAY
-          run: df . && rm -f semicolon_delimited_script && ./gradlew :wpilibc:publish :wpilibj:publish :wpilibNewCommands:publish :hal:publish :cameraserver:publish :ntcore:publish :cscore:publish :wpimath:publish :wpinet:publish :wpiutil:publish :apriltag:publish :wpiunits:publish :simulation:halsim_gui:publish :simulation:halsim_ds_socket:publish :fieldImages:publish :epilogue-processor:publish :epilogue-runtime:publish :thirdparty:googletest:publish -x test -x Javadoc -x doxygen --build-cache && cp -r /root/releases/maven/development /work
+          run: df . && rm -f semicolon_delimited_script && ./gradlew :wpilibc:publish :wpilibj:publish :wpilibNewCommands:publish :hal:publish :cameraserver:publish :ntcore:publish :cscore:publish :wpimath:publish :wpinet:publish :wpiutil:publish :apriltag:publish :wpiunits:publish :simulation:halsim_gui:publish :simulation:halsim_ds_socket:publish :simulation:halsim_ws_server:publish :simulation:halsim_ws_client:publish :simulation:halsim_xrp:publish :fieldImages:publish :romiVendordep:publish :xrpVendordep:publish :epilogue-processor:publish :epilogue-runtime:publish :thirdparty:googletest:publish -x test -x Javadoc -x doxygen --build-cache && cp -r /root/releases/maven/development /work
       - uses: actions/upload-artifact@v4
         with:
           name: MavenArtifacts
@@ -149,3 +149,58 @@ jobs:
           path: |
             build/allOutputs/
           retention-days: 7
+
+  Robotpy:
+    name: "Build - Robotpy"
+    needs: [build-artifacts]
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        repository: robotpy/mostrobotpy
+        fetch-depth: 0
+    - uses: actions/download-artifact@v4
+      with:
+        name: MavenArtifacts
+    - name: Move artifacts
+      run: mkdir -p ~/releases/maven/development && cp -r edu ~/releases/maven/development
+
+    - uses: actions/setup-python@v5
+      with:
+        python-version: 3.13
+
+    #
+    # Setup build caching
+    #
+
+    - name: Set ccache size
+      shell: bash
+      id: ccache
+      run: echo "MAX_SIZE=500M" >> $GITHUB_OUTPUT
+
+    - name: Setup ccache
+      # uses: hendrikmuhs/ccache-action@v1.2.10
+      uses: robotpy/ccache-action@fork
+      with:
+          key: ubuntu-22.04-3.13
+          variant: ccache
+          max-size: ${{ steps.ccache.outputs.max_size }}
+
+    - name: Install deps
+      shell: bash
+      run: |
+        python -m pip --disable-pip-version-check install -r rdev_requirements.txt
+
+    - name: Install numpy (needed for stubgen but broken in raspbian CI)
+      shell: bash
+      run: |
+        python -m pip --disable-pip-version-check install numpy
+    - name: Patch RobotPy rdev to use local development
+      run: git config user.name github-actions && git config user.email github-actions@github.com && set -- ~/releases/maven/development/edu/wpi/first/wpiutil/wpiutil-cpp/*/ ; wpilibversion=$(basename $1) && echo $wpilibversion && sed --regexp-extended -i 's@(wpilib_bin_url =).*@\1 \"file:\/\/'"$HOME"'\/releases\/maven\/development"@' rdev.toml && sed --regexp-extended -i 's/(wpilib_bin_version =).*/\1 \"'"$wpilibversion"'\"/' rdev.toml && ./rdev.sh update-pyproject --commit
+    - name: Build + test wheels
+      shell: bash
+      run: |
+        ./rdev.sh ci run
+      env:
+        RPYBUILD_STRIP_LIBPYTHON: "1"
+        RPYBUILD_CC_LAUNCHER: ccache