Added arm build

Author: Andrey Senyaev

.github/workflows/build_wheels.yml

@@ -159,6 +159,7 @@ jobs:
         build_wheel $REPO_DIR $PLAT
         install_run $PLAT
         set +x
+
     - name: saving artifacts
       uses: actions/upload-artifact@v2
       with:
@@ -238,15 +239,120 @@ jobs:
         # Install and run tests
         set -x
         echo "skipping tests because of sdist"
+
     - name: saving artifacts
       uses: actions/upload-artifact@v2
       with:
         name: wheels
         path: dist/opencv*.tar.gz
 
+  build_arm:
+    runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        shell: bash
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [jetson]
+        python-version: [3.6, 3.7, 3.8, 3.9]
+        platform: [x64]
+        with_contrib: [0, 1]
+        without_gui: [0, 1]
+        build_sdist: [0]
+
+    env:
+      ACTIONS_ALLOW_UNSECURE_COMMANDS: true
+      REPO_DIR: .
+      BUILD_COMMIT: master
+      PROJECT_SPEC: opencv-python
+      MB_PYTHON_VERSION: ${{ matrix.python-version }}
+      TRAVIS_PYTHON_VERSION: ${{ matrix.python-version }}
+      PLAT: aarch64
+      MB_ML_VER: 2014
+      NP_TEST_DEP: numpy
+      TRAVIS_BUILD_DIR: ${{ github.workspace }}
+      CONFIG_PATH: travis_config.sh
+      DOCKER_IMAGE: quay.io/skvark/manylinux2014_${PLAT}
+      DOCKER_TEST_IMAGE: multibuild/xenial_arm64v8
+      USE_CCACHE: 0
+      UNICODE_WIDTH: 32
+      SDIST: ${{ matrix.build_sdist || 0}}
+      ENABLE_HEADLESS: ${{ matrix.without_gui }}
+      ENABLE_CONTRIB: ${{ matrix.with_contrib }}
+
+    steps:
+    - name: Cleanup
+      if: always()
+      uses: AutoModality/action-clean@v1
+
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        submodules: true
+        fetch-depth: 0
+
+    - name: Setup Environment variables
+      run: |
+        if [ "jetson" == "${{ matrix.os }}" ]; then echo "PLAT=aarch64" >> $GITHUB_ENV; fi
+        echo "BUILD_DEPENDS=$(echo $NP_BUILD_DEP)" >> $GITHUB_ENV;
+        echo "TEST_DEPENDS=$(echo $NP_TEST_DEP)" >> $GITHUB_ENV;
+
+    - name: before install
+      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
+          python -m pip install scikit-build
+          python setup.py sdist
+        else
+          build_wheel $REPO_DIR $PLAT
+        fi
+        set +x
+        # Install and run tests
+        set -x
+        if [[ $SDIST == 1 ]]; then
+          echo "skipping tests because of sdist"
+          rc=0
+        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: saving artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: wheels
+        path: wheelhouse/opencv*.whl
+
   test_release_opencv_python:
     if: github.event_name == 'release' && github.event.release.prerelease
-    needs: [build, build-windows-x86_64, build_sdist]
+    needs: [build, build-windows-x86_64, build_sdist, build_arm]
     runs-on: ubuntu-latest
     environment: test-opencv-python-release
     defaults:
@@ -265,7 +371,7 @@ jobs:
 
   release_opencv_python:
     if: github.event_name == 'release' && !github.event.release.prerelease
-    needs: [build, build-windows-x86_64, build_sdist]
+    needs: [build, build-windows-x86_64, build_sdist, build_arm]
     runs-on: ubuntu-latest
     environment: opencv-python-release
     defaults:

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "multibuild"]
 	path = multibuild
 	url = https://github.com/matthew-brett/multibuild.git
+[submodule "opencv_extra"]
+	path = opencv_extra
+	url = https://github.com/opencv/opencv_extra.git

opencv_extra

@@ -146,24 +146,31 @@ function run_tests {
     echo "Run tests..."
     echo $PWD
 
+    PYTHON=python$PYTHON_VERSION
+
     if [ -n "$IS_OSX" ]; then
       echo "Running for OS X"
-      cd ../tests/
+      cd ../opencv/
+      export OPENCV_TEST_DATA_PATH=../opencv_extra/testdata
     else
       echo "Running for linux"
-      cd /io/tests/
+
+      if [ $PYTHON == "python3.6" ]; then
+        $PYTHON -m pip install -U numpy==1.19.4
+      fi
+      cd /io/opencv
+      export OPENCV_TEST_DATA_PATH=/io/opencv_extra/testdata
     fi
 
     test_wheels
 }
 
 function test_wheels {
-    PYTHON=python$PYTHON_VERSION
 
     echo "Starting tests..."
 
     #Test package
-    $PYTHON -m unittest test
+    $PYTHON modules/python/test/test.py -v --repo .
 }
 
 export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'