feat: auto-deploy to pypi (#8)

.github/workflows/main.yml

@@ -0,0 +1,113 @@
+name: Main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+# on: [push]
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+    tags:
+      - "v*.*.*"
+
+env:
+  # Change this to invalidate existing cache.
+  CACHE_PREFIX: v0
+  PYTHONPATH: ./
+
+jobs:
+  checks:
+    name: Python ${{ matrix.python }} - ${{ matrix.task.name }}
+    runs-on: [ubuntu-latest]
+    timeout-minutes: 15
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - python: "3.10"
+            task:
+              name: "Build"
+              run: |
+                python setup.py check
+                python setup.py bdist_wheel sdist
+
+          - python: "3.10"
+            task:
+              name: "Style"
+              run: |
+                black --check .
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Python environment
+        uses: ./.github/actions/setup-venv
+        with:
+          python-version: ${{ matrix.python }}
+          cache-prefix: ${{ env.CACHE_PREFIX }}
+
+      - name: ${{ matrix.task.name }}
+        run: |
+          . .venv/bin/activate
+          ${{ matrix.task.run }}
+
+      - name: Upload package distribution files
+        if: matrix.task.name == 'Build'
+        uses: actions/upload-artifact@v3
+        with:
+          name: package
+          path: dist
+
+      - name: Clean up
+        if: always()
+        run: |
+          . .venv/bin/activate
+          pip uninstall -y geoclustering
+
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    needs: [checks]
+    if: startsWith(github.ref, 'refs/tags/')
+    steps:
+      - uses: actions/checkout@v1
+
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+
+      - name: Install requirements
+        run: |
+          pip install --upgrade pip setuptools wheel "twine>=1.11.0"
+
+      - name: Prepare environment
+        run: |
+          echo "RELEASE_VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV
+          echo "TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+
+      - name: Download package distribution files
+        uses: actions/download-artifact@v3
+        with:
+          name: package
+          path: dist
+
+      - name: Publish package to PyPI
+        run: |
+          twine upload -u '${{ secrets.PYPI_USERNAME }}' -p '${{ secrets.PYPI_PASSWORD }}' dist/*
+
+      - name: Publish GitHub release
+        uses: softprops/action-gh-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          # body_path: ${{ github.workspace }}-RELEASE_NOTES.md
+          prerelease: ${{ contains(env.TAG, 'rc') }}
+          files: |
+            dist/*