wip: windows ci

Author: mthrok

.github/workflows/_build_windows.yml

@@ -0,0 +1,113 @@
+name: " - Wheel (Windows)"
+
+on:
+  workflow_call:
+    inputs:
+      python-version:
+        required: true
+        type: string
+      free-threaded:
+        description: 'Whether FT Python or not. Valid value is "ft" or not.'
+        default: ''
+        type: string
+      run-test:
+        required: false
+        default: 'false'
+        type: string
+      os:
+        default: "windows-latest"
+        type: string
+
+env:
+  ARTIFACT: wheel-win-py${{ inputs.python-version }}${{ inputs.free-threaded }}
+
+jobs:
+  build:
+    runs-on: "${{ inputs.os }}"
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Build
+        env:
+          SPDL_USE_TRACING: 1
+          SPDL_BUILD_STUB: 1
+        run: |
+          curl -LsSf https://astral.sh/uv/install.sh | sh
+          set -ex
+
+          py_ver="${{ inputs.python-version }}"
+          if [[ "${{ inputs.free-threaded }}" == 'ft' ]]; then
+            py_ver="${py_ver}t"
+          fi
+
+          uv python pin "${py_ver}"
+          uv python list --only-installed
+          uv venv
+          uv build --no-python-downloads --all-packages --wheel
+          mv ./dist ~/package
+
+      - uses: actions/upload-artifact@v4
+        name: Upload build artifact
+        with:
+          name: "${{ env.ARTIFACT }}"
+          path: ~/package
+          if-no-files-found: error
+          retention-days: 7
+          overwrite: true
+
+      - name: Check package
+        run: |
+          pip install -r ./packaging/requirements.txt
+          twine check --strict ~/package/*.whl
+
+  unit-test:
+    if: "${{ inputs.run-test == 'true' }}"
+    name: "test ffmpeg"
+    needs: ["build"]
+    strategy:
+      fail-fast: false
+      matrix:
+        ffmpeg-version: ["4.4.2", "5.1", "6.1", "7.1"]
+    runs-on:  "${{ inputs.os }}"
+    defaults:
+      run:
+        shell: bash -el {0}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - uses: actions/download-artifact@v4
+        with:
+          name: "${{ env.ARTIFACT }}"
+          path: ~/package
+
+      - uses: conda-incubator/setup-miniconda@v3
+        with:
+          python-version: ${{ inputs.python-version }}
+          conda-remove-defaults: "true"
+
+      - name: Unit test
+        run: |
+          if [[ "${{ inputs.free-threaded }}" == 'ft' ]]; then
+            conda install -q -c conda-forge python-freethreading
+          fi
+
+          # Install SPDL
+          pip install $(find "${HOME}/package" -name '*.whl' -depth -maxdepth 1)
+
+          # Install PyTorch and others
+          if [[ "${{ inputs.free-threaded }}" == 'ft' ]]; then
+            pip install torch numpy pytest
+          else
+            pip install torch numpy numba pytest
+          fi
+
+          # Install FFmpeg
+          conda install -q -c conda-forge "ffmpeg==${{ matrix.ffmpeg-version }}"
+
+          pytest -v \
+              tests/spdl_unittest/io/ \
+              tests/spdl_unittest/dataloader/

.github/workflows/packaging.yml

@@ -34,6 +34,25 @@ jobs:
       free-threaded: "${{ matrix.free-threaded }}"
       run-test: "false"
 
+  #############################################################################
+  # Windows
+  #############################################################################
+  windows:
+    name: "Windows"
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10"]
+        free-threaded: [""]
+        include:
+          - python-version: "3.13"
+            free-threaded: "ft"
+    uses: ./.github/workflows/_build_windows.yml
+    with:
+      python-version: "${{ matrix.python-version }}"
+      free-threaded: "${{ matrix.free-threaded }}"
+      run-test: "true"
+
   #############################################################################
   # Linux (CPU)
   #############################################################################