Add: [Actions] Release workflow

.github/workflows/release.yml

@@ -0,0 +1,105 @@
+name: Release
+
+on:
+  push:
+    branches:
+    - master
+    tags:
+    - '*'
+  repository_dispatch:
+    types:
+    - publish_latest_tag
+    - publish_master
+
+jobs:
+  release:
+    name: Python 3.x on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macOS-latest, windows-2016]
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - uses: actions/cache@v1
+      if: startsWith(matrix.os, 'ubuntu')
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/setup.py') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+
+    - uses: actions/cache@v1
+      if: startsWith(matrix.os, 'macOS')
+      with:
+        path: ~/Library/Caches/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/setup.py') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+
+    - uses: actions/cache@v1
+      if: startsWith(matrix.os, 'windows')
+      with:
+        path: ~\AppData\Local\pip\Cache
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/setup.py') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+
+    - name: Set up Python
+      uses: actions/setup-python@v1
+      with:
+        python-version: '3.x'
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools wheel twine
+        pip install -e .
+
+    - name: Build manylinux Python wheels
+      if: startsWith(matrix.os, 'ubuntu')
+      uses: RalfG/python-wheels-manylinux-build@v0.2.2-manylinux2014_x86_64
+      with:
+        python-versions: 'cp36-cp36m cp37-cp37m cp38-cp38'
+        build-requirements: '-e .'  # pip args
+
+    - name: Publish manylinux Python wheels
+      if: startsWith(matrix.os, 'ubuntu')
+      env:
+        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+      run: |
+        twine upload --username __token__ wheelhouse/*-manylinux*.whl
+
+    - name: Build and publish wheel
+      if: "! startsWith(matrix.os, 'ubuntu')"
+      env:
+        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+      run: |
+        python setup.py sdist bdist_wheel
+        twine upload --username __token__ dist/*.whl
+
+    # Only do this on Windows to prevent file conflicts
+    - name: Build and publish source distribution
+      if: startsWith(matrix.os, 'windows')
+      env:
+        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+      run: |
+        twine upload --username __token__ dist/*.tar.gz
+
+    - name: Build standalone executable
+      if: startsWith(matrix.os, 'windows')
+      run: |
+        pip install --upgrade pyinstaller
+        pyinstaller nmlc.spec
+        $version = python setup.py --version
+        echo "::set-output name=version::$version"
+      id: nml_version
+
+    - name: Archive executable
+      if: startsWith(matrix.os, 'windows')
+      uses: actions/upload-artifact@v1
+      with:
+        name: nml-${{ steps.nml_version.outputs.version }}-win64
+        path: dist/nmlc.exe