preparing for github actions

.github/workflows/python-package.yml

@@ -0,0 +1,117 @@
+# Workflow is based on the Astropy GitHub actions workflow, ci_workflows.yml
+name: CI
+
+on:
+    push:
+        branches:
+            - '*'
+        tags:
+            - '*'
+    pull_request:
+
+jobs:
+    tests:
+        name: Unit tests
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: true
+            matrix:
+                os: [ubuntu-latest]
+                python-version: ['3.7', '3.8', '3.9', '3.10']
+
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v2
+              with:
+                fetch-depth: 0
+            - name: Set up Python ${{ matrix.python-version }}
+              uses: actions/setup-python@v2
+              with:
+                python-version: ${{ matrix.python-version }}
+            - name: Install Python dependencies
+              run: |
+                python -m pip install --upgrade pip setuptools wheel
+                python -m pip install pytest
+            - name: Run the test
+              run: pytest
+
+    coverage:
+        name: Test coverage
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                os: [ubuntu-latest]
+                python-version: ['3.9']
+
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v2
+              with:
+                fetch-depth: 0
+            - name: Set up Python ${{ matrix.python-version }}
+              uses: actions/setup-python@v2
+              with:
+                python-version: ${{ matrix.python-version }}
+            - name: Install Python dependencies
+              run: |
+                python -m pip install --upgrade pip setuptools wheel
+                python -m pip install pytest pytest-cov coveralls
+            - name: Run the test with coverage
+              run: pytest --cov
+            - name: Coveralls
+              # uses: coverallsapp/github-action@v1.1.2
+              # with:
+              #     github-token: ${{ secrets.GITHUB_TOKEN }}
+              env:
+                GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+                COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
+              run: coveralls
+
+    docs:
+        name: Doc test
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                os: [ubuntu-latest]
+                python-version: ['3.9']
+
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v2
+              with:
+                fetch-depth: 0
+            - name: Set up Python ${{ matrix.python-version }}
+              uses: actions/setup-python@v2
+              with:
+                python-version: ${{ matrix.python-version }}
+            - name: Install Python dependencies
+              run: python -m pip install --upgrade pip setuptools wheel Sphinx
+            - name: Test the documentation
+              run: sphinx-build -W --keep-going -b html docs docs/_build/html
+
+    style:
+        name: Style check
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                os: [ubuntu-latest]
+                python-version: ['3.9']
+
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v2
+              with:
+                fetch-depth: 0
+            - name: Set up Python ${{ matrix.python-version }}
+              uses: actions/setup-python@v2
+              with:
+                python-version: ${{ matrix.python-version }}
+            - name: Install Python dependencies
+              run: python -m pip install --upgrade pip setuptools wheel pycodestyle
+            - name: Test the style
+              # This is equivalent to an allowed falure.
+              # continue-on-error: true
+              run: pycodestyle --count hpsspy