Add build for python packages on Windows

.github/workflows/build_wheels.yml

@@ -22,35 +22,20 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest] # ubuntu-latest,
-        python-version: [3.8] # [3.6, 3.7, 3.8, 3.9]
-        platform: [x64]
+        os: [windows-latest, ubuntu-latest, macos-latest]
+        python-version: [3.6, 3.7, 3.8, 3.9]
+        platform: [x32, x64]
         with_contrib: [0, 1]
         without_gui: [0, 1]
         build_sdist: [0]
-        # include:
-        #   - os: ubuntu-latest
-        #     python-version: 3.8
-        #     build_sdist: 1
-        #     with_contrib: 0
-        #     without_gui: 0
-        #   - os: ubuntu-latest
-        #     python-version: 3.8
-        #     build_sdist: 1
-        #     with_contrib: 0
-        #     without_gui: 1
-        #   - os: ubuntu-latest
-        #     python-version: 3.8
-        #     build_sdist: 1
-        #     with_contrib: 1
-        #     without_gui: 0
-        #   - os: ubuntu-latest
-        #     python-version: 3.8
-        #     build_sdist: 1
-        #     with_contrib: 1
-        #     without_gui: 1
+        exclude:
+          - os: macos-latest
+            platform: x32
+          - os: ubuntu-latest
+            platform: x32
 
     env:
+      ACTIONS_ALLOW_UNSECURE_COMMANDS: true
       REPO_DIR: .
       BUILD_COMMIT: master
       PROJECT_SPEC: opencv-python
@@ -78,51 +63,44 @@ jobs:
     - name: Update submodules
       run: |
         git submodule update --remote
-
+        
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
 
     - name: Setup Environment variables
+      if: ${{ matrix.os == 'ubuntu-latest' || matrix.os == 'macos-latest' }}
       run: |
         if [ "macos-latest" == "${{ matrix.os }}" ]; then echo "TRAVIS_OS_NAME=osx" >> $GITHUB_ENV; else echo "TRAVIS_OS_NAME=${{ matrix.os }}" >> $GITHUB_ENV; fi
         if [ "schedule" == "${{ github.event_name }}" ]; then echo "TRAVIS_EVENT_TYPE=cron" >> $GITHUB_ENV; else echo "TRAVIS_EVENT_TYPE=${{ github.event_name }}" >> $GITHUB_ENV; fi
         if [ "schedule" == "${{ github.event_name }}" ]; then echo "BUILD_COMMIT=master" >> $GITHUB_ENV; else echo "BUILD_COMMIT=$BUILD_COMMIT" >> $GITHUB_ENV; fi
         echo "BUILD_DEPENDS=$(echo $NP_BUILD_DEP)" >> $GITHUB_ENV;
         echo "TEST_DEPENDS=$(echo $NP_TEST_DEP)" >> $GITHUB_ENV;
-
+        
     - name: before install
+      if: ${{ matrix.os == 'ubuntu-latest' || matrix.os == 'macos-latest' }}
       run: |
         set -e
-
         if [[ $SDIST == 0 ]]; then
           # Check out and prepare the source
           # Multibuild doesn't have releases, so --depth would break eventually (see
           # https://superuser.com/questions/1240216/server-does-not-allow-request-for-unadvertised)
           git submodule update --init multibuild
-
           source multibuild/common_utils.sh
-
           # https://github.com/matthew-brett/multibuild/issues/116
           if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export ARCH_FLAGS=" "; fi
-
           source multibuild/travis_steps.sh
           # This sets -x
-
           # source travis_multibuild_customize.sh
           echo $ENABLE_CONTRIB > contrib.enabled
           echo $ENABLE_HEADLESS > headless.enabled
-
           echo "end"
           # Not interested in travis internal scripts' output
         fi
-
         set +x
-
         # Build and package
         set -x
-
         ls
         if [[ $SDIST == 1 ]]; then
           python -m pip install --upgrade pip
@@ -131,9 +109,7 @@ jobs:
         else
           build_wheel $REPO_DIR $PLAT
         fi
-
         set +x
-
         # Install and run tests
         set -x
         if [[ $SDIST == 1 ]]; then
@@ -142,15 +118,58 @@ jobs:
         else
           install_run $PLAT && rc=$? || rc=$?
         fi
-
         set +x
-
         #otherwise, Travis logic terminates prematurely
         #https://travis-ci.community/t/shell-session-update-command-not-found-in-build-log-causes-build-to-fail-if-trap-err-is-set/817
         trap ERR
         test "$rc" -eq 0
+
+    - name: Setup MSBuild.exe
+      if: ${{ matrix.os == 'windows-latest' }}
+      uses: warrenbuckley/Setup-MSBuild@v1
+
+    - name: build script
+      if: ${{ matrix.os == 'windows-latest' }}
+      run: |
+        python --version
+        python -m pip install --upgrade pip
+        python -m pip install --upgrade setuptools
+        set "CI_BUILD=1" && python -m pip wheel --wheel-dir=%cd%\dist . --verbose
+      shell: cmd
+
+    - name: before test
+      if: ${{ matrix.os == 'windows-latest' }}
+      run: |
+        cd ${{ github.workspace }}/tests
+        $env:PYTHONWARNINGS = "ignore:::pip._internal.cli.base_command"
+        &python -m pip install --user --no-warn-script-location (ls "../dist/opencv_*.whl")
+        if ($LastExitCode -ne 0) {throw $LastExitCode}
+      shell: powershell
+
+    - name: run test
+      if: ${{ matrix.os == 'windows-latest' }}
+      run: |
+        cd ${{ github.workspace }}/tests
+        python -m unittest test
+      shell: cmd
+
+    - name: saving artifacts
+      if: ${{ matrix.os == 'windows-latest' }}
+      uses: actions/upload-artifact@v2
+      with:
+        name: ${{ matrix.os }}-wheels-${{ matrix.python-version }}-${{ matrix.platform }}-${{ matrix.with_contrib }}-${{ matrix.without_gui }}-${{ matrix.build_sdist }}
+        path: dist\opencv*.whl
 
-    # - name: Upload wheels
+    - name: saving artifacts
+      if: ${{ matrix.os == 'ubuntu-latest' || matrix.os == 'macos-latest' }}
+      uses: actions/upload-artifact@v2
+      with:
+        name: ${{ matrix.os }}-wheels-${{ matrix.python-version }}-${{ matrix.platform }}-${{ matrix.with_contrib }}-${{ matrix.without_gui }}-${{ matrix.build_sdist }}
+        path: ./wheelhouse/opencv*.whl
+
+
+    # - name: Upload wheels ${{ matrix.os }}
+    #   if: ${{ matrix.os == 'ubuntu-latest' || matrix.os == 'macos-latest' }}
     #   env:
     #     # PYPI repository
     #     TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
@@ -163,3 +182,30 @@ jobs:
     #     twine upload --skip-existing ${TRAVIS_BUILD_DIR}/wheelhouse/*
     #     # Upload wheels to PYPITEST
     #     #twine upload --skip-existing ${TRAVIS_BUILD_DIR}/wheelhouse/*
+
+    # - name: Upload wheels ${{ matrix.os }}
+    #   if: ${{ matrix.os == 'windows-latest' && startsWith(github.ref, 'refs/tags/')}}
+    #   env:
+    #     USER: fXgF9uyy6sT0JoVOR7BoqA==
+    #     PASS: 0bXSOVjf9x8L7nErTivu92TF1FwNosTjFJQPmxp8Dys=
+    #   run: |
+    #     cd ${{ github.workspace }}
+    #     if (${Env:ENABLE_CONTRIB} -eq 0) {
+    #       if (${Env:ENABLE_HEADLESS} -eq 0) {
+    #         echo "This is a default build. Deployment will be done to PyPI entry opencv-python."
+    #       }
+    #       else {
+    #         echo "This is a headless build. Deployment will be done to PyPI entry opencv-python-headless."
+    #       }
+    #     }
+    #     else {
+    #       if (${Env:ENABLE_HEADLESS} -eq 0) {
+    #         echo "This is a contrib build. Deployment will be done to PyPI entry opencv-contrib-python."
+    #       }
+    #       else {
+    #         echo "This is a headless contrib build. Deployment will be done to PyPI entry opencv-contrib-python-headless."
+    #       }
+    #     }
+    #     &python -m pip install twine
+    #     &python -m twine upload -u ${Env:USER} -p ${Env:PASS} --skip-existing dist/opencv*
+    #   shell: powershell