Create reusable GitHub workflow

.github/workflows/ci.yml

@@ -10,18 +10,13 @@ concurrency:
   group: ci-tests-${{ github.ref }}-1
   cancel-in-progress: true
 jobs:
+  setup:
+    uses: ./.github/workflows/setup.yml
   build:
+    name: Lint and Test
     runs-on: ubuntu-latest
     steps:
-      - name: Clone repository
-        uses: actions/checkout@v3
-
-      - name: Set up Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: 3.9
-
-      - name: Install dependencies
+      - name: Install test/lint dependencies
         run: pip install pytest pylint
 
       - name: Run linter

.github/workflows/release.yml

@@ -6,6 +6,7 @@ on:
     tags:
       - "*"
 jobs:
+  # Adapted from: https://github.com/pypa/gh-action-pypi-publish#usage
   pypi-publish:
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
     name: Upload release to PyPI

.github/workflows/setup.yml

@@ -0,0 +1,17 @@
+name: Setup
+on:
+  workflow_call:
+    inputs:
+    secrets:
+jobs:
+  setup:
+    name: Clone app and setup Python
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.9