Add initial basemap workflow for Windows

Author: molinav

.github/workflows/basemap-for-windows.yml

@@ -0,0 +1,132 @@
+name: basemap-for-windows
+
+env:
+  PKGDIR: "packages/basemap"
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+
+  build-geos:
+    strategy:
+      matrix:
+        arch:
+          [
+            "x64",
+          ]
+      max-parallel: 1
+      fail-fast: false
+    runs-on: windows-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v1
+      - 
+        name: Set Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.6"
+          architecture: ${{ matrix.arch }}
+      -
+        name: Install CMake
+        uses: jwlawson/[email protected]
+        with:
+          cmake-version: "3.16.x"
+      -
+        name: Install MSVC toolchain
+        uses: ilammy/msvc-dev-cmd@v1
+        with:
+          arch: ${{ matrix.arch }}
+      -
+        name: Build GEOS from source
+        run: |
+          cd ${{ env.PKGDIR }}
+          python -c "import utils; utils.GeosLibrary('3.6.5').build('extern')"
+      -
+        name: Upload GEOS artifacts
+        uses: actions/upload-artifact@v1
+        with:
+          name: artifacts-geos-${{ matrix.arch }}
+          path: ${{ env.PKGDIR }}/extern
+
+  build:
+    strategy:
+      matrix:
+        arch:
+          [
+            "x64",
+          ]
+        python-version:
+          [
+            "2.7",
+            "3.5",
+            "3.6",
+            "3.7",
+            "3.8",
+            "3.9",
+          ]
+      max-parallel: 6
+      fail-fast: false
+    needs: build-geos
+    runs-on: windows-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v1
+      -
+        name: Download GEOS artifacts
+        uses: actions/download-artifact@v1
+        with:
+          name: artifacts-geos-${{ matrix.arch }}
+          path: ${{ env.PKGDIR }}/extern
+      - 
+        name: Set Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "${{ matrix.python-version }}"
+          architecture: ${{ matrix.arch }}
+      -
+        name: Install MSVC toolchain
+        uses: ilammy/msvc-dev-cmd@v1
+        with:
+          arch: ${{ matrix.arch }}
+      -
+        name: Install Python base packages
+        run: |
+          python -m pip install --upgrade pip setuptools wheel
+      -
+        name: Generate NumPy headers
+        run: |
+          if ("${{ matrix.python-version }}" -lt "3.5") {
+              Set-Variable -Name "pkgvers" -Value "1.11.3"
+          } else {
+              Set-Variable -Name "pkgvers" -Value "1.16.6"
+          }
+          Set-Variable -Name "pkgname" -Value "numpy"
+          Set-Variable -Name "pkgcode" -Value "numpy-${pkgvers}"
+          Set-Variable -Name "includedir" -Value "numpy/core/include"
+          python -m pip download --no-binary=:all: "numpy == ${pkgvers}"
+          tar -xf "${pkgcode}.zip"
+          rm "${pkgcode}.zip"
+          cd "${pkgcode}"
+          python setup.py build
+          cp -R build/src.*/${includedir}/numpy/*.h ${includedir}/numpy
+          cd ..
+          cp -R "${pkgcode}/${includedir}/numpy" "${{ env.PKGDIR }}/extern/include/numpy"
+          rm -r "${pkgcode}"
+      -
+        name: Build wheel
+        run: |
+          cd ${{ env.PKGDIR }}
+          $env:GEOS_DIR = "extern"
+          $env:NUMPY_INCLUDE_PATH = "extern/include"
+          pip install -r requirements-setup.txt
+          python setup.py sdist bdist_wheel
+      -
+        name: Upload build artifacts
+        uses: actions/upload-artifact@v1
+        with:
+          name: artifacts-build-${{ matrix.arch }}-${{ matrix.python-version }}
+          path: ${{ env.PKGDIR }}/dist