ci: add GitHub Actions pipeline for test, format, build and PyPI publish

Author: FlacSy

.github/workflows/format.yml

@@ -0,0 +1,32 @@
+name: Formatter
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+    tags: ["v*"]
+
+permissions:
+  contents: read
+
+jobs:
+  format:
+    name: Formatter check (black)
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          cache: pip
+
+      - name: Install black
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install black
+
+      - name: Check formatting
+        run: black --check .

.github/workflows/release.yml

@@ -0,0 +1,52 @@
+name: Release
+
+on:
+  release:
+    types: [published]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    name: Build package
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          cache: pip
+
+      - name: Build dists
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install build
+          python -m build
+
+      - name: Upload dist artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: python-dist
+          path: dist/*
+
+  publish-pypi:
+    name: Publish to PyPI
+    runs-on: ubuntu-latest
+    needs: [build]
+    permissions:
+      id-token: write
+    environment:
+      name: pypi
+    steps:
+      - name: Download dist artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: python-dist
+          path: dist/
+
+      - name: Publish package to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1

.github/workflows/tests.yml

@@ -0,0 +1,36 @@
+name: Tests
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+    tags: ["v*"]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: Tests (Python ${{ matrix.python-version }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: pip
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install .[dev]
+
+      - name: Run tests
+        run: pytest