ci(python): run lint / unit tests / docs as GH actions (#1333)

* ci: run lint / unit tests / docs as GH actions

* remove hardcoded versions

* remove jinja escaping

Author: parthea

synthtool/gcp/templates/python_library/.github/workflows/docs.yml

@@ -0,0 +1,38 @@
+on:
+  pull_request:
+    branches:
+      - main
+name: docs
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Setup Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: "{{ unit_test_python_versions | last }}"
+    - name: Install nox
+      run: |
+        python -m pip install --upgrade setuptools pip wheel
+        python -m pip install nox
+    - name: Run docs
+      run: |
+        nox -s docs
+  docfx:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Setup Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: "{{ unit_test_python_versions | last }}"
+    - name: Install nox
+      run: |
+        python -m pip install --upgrade setuptools pip wheel
+        python -m pip install nox
+    - name: Run docfx
+      run: |
+        nox -s docfx

synthtool/gcp/templates/python_library/.github/workflows/lint.yml

@@ -0,0 +1,25 @@
+on:
+  pull_request:
+    branches:
+      - main
+name: lint
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Setup Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: "{{ unit_test_python_versions | last }}"
+    - name: Install nox
+      run: |
+        python -m pip install --upgrade setuptools pip wheel
+        python -m pip install nox
+    - name: Run lint
+      run: |
+        nox -s lint
+    - name: Run lint_setup_py
+      run: |
+        nox -s lint_setup_py

synthtool/gcp/templates/python_library/.github/workflows/unittest.yml

@@ -0,0 +1,57 @@
+on:
+  pull_request:
+    branches:
+      - main
+name: unittest
+jobs:
+  unit:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python: {{unit_test_python_versions}}
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Setup Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ '{{' }} matrix.python {{ '}}' }}
+    - name: Install nox
+      run: |
+        python -m pip install --upgrade setuptools pip wheel
+        python -m pip install nox
+    - name: Run unit tests
+      env:
+        COVERAGE_FILE: .coverage-${{ '{{' }} matrix.python {{ '}}' }}
+      run: |
+        nox -s unit-${{ '{{' }} matrix.python {{ '}}' }}
+    - name: Upload coverage results
+      uses: actions/upload-artifact@v2
+      with:
+        name: coverage-artifacts
+        path: .coverage-${{ '{{' }} matrix.python {{ '}}' }}
+
+  cover:
+    runs-on: ubuntu-latest
+    needs:
+        - unit
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Setup Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: "{{ unit_test_python_versions | last }}"
+    - name: Install coverage
+      run: |
+        python -m pip install --upgrade setuptools pip wheel
+        python -m pip install coverage
+    - name: Download coverage results
+      uses: actions/download-artifact@v2
+      with:
+        name: coverage-artifacts
+        path: .coverage-results/
+    - name: Report coverage results
+      run: |
+        coverage combine .coverage-results/.coverage*
+        coverage report --show-missing --fail-under=100