Create pythonpackage.yml

See if we can get away from Travis, as github actions is faster and easier to use and…works much better in China.

Author: Byron

.github/workflows/pythonpackage.yml

@@ -0,0 +1,62 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: Python package
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.4, 3.5, 3.6, 3.7, 3.8, nightly]
+
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 9999
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies and prepare tests
+      run: |
+        python -m pip install --upgrade pip
+        python --version; git --version
+        git submodule update --init --recursive
+        git fetch --tags
+        
+        pip install -r test-requirements.txt
+        ./init-tests-after-clone.sh
+        
+        git config --global user.email "travis@ci.com"
+        git config --global user.name "Travis Runner"
+        # If we rewrite the user's config by accident, we will mess it up
+        # and cause subsequent tests to fail
+        cat git/test/fixtures/.gitconfig >> ~/.gitconfig
+    - name: Lint with flake8
+      run: |
+        pip install flake8
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 --ignore=W293,E265,E266,W503,W504,E731 --count  --show-source --statistics
+    - name: Coverage
+      run: |
+        pip install codecov
+        ulimit -n 128
+        ulimit -n
+        coverage run --omit="git/test/*" -m unittest --buffer
+        coverage report
+    - name: Documentation
+      run: |
+        pip install -r doc/requirements.txt
+        make -C doc html
+    - name: Test with pytest
+      run: |
+        pip install pytest
+        pytest