ENH: Add Python Packages GitHub Action

Author: thewtex

.github/workflows/python-packages.yml

@@ -0,0 +1,73 @@
+name: Python Packages
+
+on: [push]
+
+jobs:
+  Linux:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Fetch build script
+      run: |
+        curl -L https://raw.githubusercontent.com/InsightSoftwareConsortium/ITKPythonPackage/master/scripts/dockcross-manylinux-download-cache-and-build-module-wheels.sh -O
+        chmod u+x dockcross-manylinux-download-cache-and-build-module-wheels.sh
+
+    - name: Build Python packages
+      run: |
+        export ITK_PACKAGE_VERSION=v5.1rc03
+        ./dockcross-manylinux-download-cache-and-build-module-wheels.sh
+
+    - name: Upload wheel artifact
+      uses: actions/upload-artifact@v1
+      with:
+        name: LinuxWheels
+        path: dist
+
+  MacOS:
+    runs-on: macos-10.15
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Fetch build script
+      run: |
+        curl -L https://raw.githubusercontent.com/InsightSoftwareConsortium/ITKPythonPackage/master/scripts/macpython-download-cache-and-build-module-wheels.sh -O
+        chmod u+x macpython-download-cache-and-build-module-wheels.sh
+
+    - name: Build Python packages
+      run: |
+        export ITK_PACKAGE_VERSION=v5.1rc03
+        ./macpython-download-cache-and-build-module-wheels.sh
+
+    - name: Upload wheel artifact
+      uses: actions/upload-artifact@v1
+      with:
+        name: MacOSWheels
+        path: dist
+
+  Windows:
+    runs-on: windows-2019
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Fetch build script
+      run: |
+        curl -L https://raw.githubusercontent.com/InsightSoftwareConsortium/ITKPythonPackage/master/scripts/windows-download-cache-and-build-module-wheels.ps1 -O
+
+    - name: Build Python packages
+      run: |
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
+        set ITK_PACKAGE_VERSION=v5.1rc03
+        set CC=cl.exe
+        set CXX=cl.exe
+        powershell.exe -file .\windows-download-cache-and-build-module-wheels.ps1
+      shell: cmd
+
+    - name: Upload wheel artifact
+      uses: actions/upload-artifact@v1
+      with:
+        name: WindowsWheels
+        path: dist