Add GitHub Action for publishing to PyPI

.github/workflows/deploy.yml

@@ -0,0 +1,35 @@
+# 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: "Publish to PyPI"
+
+on:
+  push:
+    tags:
+      - "*"
+
+permissions:
+  content: "read"
+
+jobs:
+  publish:
+    name: "Publish to PyPI"
+    runs-on: "ubuntu-latest"
+    environment:
+      name: "publish"
+    steps:
+    - name: "Checkout repository"
+      uses: "actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b"
+
+    - name: "Setup Python"
+      uses: "actions/setup-python@b55428b1882923874294fa556849718a1d7f2ca5"
+      with:
+        python-version: "3.x"
+
+    - name: "Build dists"
+      run: |
+        python -m pip install build
+        python -m build
+
+    - name: "Publish to PyPI"
+      uses: "pypa/gh-action-pypi-publish@37f50c210e3d2f9450da2cd423303d6a14a6e29f"

pyproject.toml

@@ -6,6 +6,7 @@ build-backend = "flit_core.buildapi"
 name = "idna"
 description = "Internationalized Domain Names in Applications (IDNA)"
 readme = "README.rst"
+license = {file = "LICENSE.md"}
 authors = [
   {name = "Kim Davies", email = "[email protected]"}
 ]