Create main.yml

Start using github actions for CI.

.github/workflows/main.yml

@@ -0,0 +1,79 @@
+name: Python package
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [ 3.6, 3.7 ]
+        torch-version: [ 1.0.1, 1.1.0, 1.2.0, 1.3.0, 1.4.0]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Cache pip
+        uses: actions/cache@v2
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+            ${{ runner.os }}-
+      - name: Install dependencies
+        run: |
+          python -m pip install --progress-bar off --upgrade pip
+          pip install --progress-bar off torch==${{ matrix.python-version }}
+          pip install --progress-bar off .[extras]
+          if [[ ${{ matrix.python-version }} == "1.4.0" ]]; then pip install pylint==2.4.4 flake8==3.7.9; fi
+          if [[ ${{ matrix.python-version }} != "1.0.1" ]]; then pip install mypy==0.761; fi
+          pip install pytest
+          pip install --progress-bar off coverage codecov
+      - name: Linting
+        run: |
+          if [[ ${{ matrix.python-version }} == "1.4.0" ]]; then pylint texar/ examples/; fi
+          if [[ ${{ matrix.python-version }} == "1.4.0" ]]; then flake8 texar/ examples/; fi
+          if [[ ${{ matrix.python-version }} != "1.0.1" ]]; then mypy .; fi
+          if [[ ${{ matrix.python-version }} != "1.0.1" ]]; then _rc=0; for dir in `echo examples/**/`; do mypy $dir || _rc=$?; done && [[ $_rc == 0 ]]; fi
+      - name: Test with pytest and run coverage
+        run: |
+          coverage run -m pytest
+      - name: Upload to codecov
+        run: |
+          codecov
+  docs:
+    needs: build
+    runs-on: ubuntu-latest
+    env:
+      python-version: 3.7
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ env.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ env.python-version }}
+      - name: Cache pip
+        uses: actions/cache@v2
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+            ${{ runner.os }}-
+      - name: Install dependencies
+        run: |
+          python -m pip install --progress-bar off --upgrade pip
+          pip install --progress-bar off -r requirements.txt
+          pip install --progress-bar off .[extras]
+          pip install --progress-bar off -r docs/requirements.txt
+      - name: Build Docs
+        run: |
+          cd docs
+          sphinx-build -W -b html -d _build/doctrees . _build/html
+          sphinx-build -W -b spelling -d _build/doctrees . _build/spelling