ci: Release to PyPI from GitHub Actions

.github/workflows/release.yml

@@ -0,0 +1,57 @@
+name: 'Release new version'
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          architecture: x64
+          python-version: '3.10'
+      - name: Build packages
+        id: build_package
+        run: |
+          pip install flit
+          flit build
+          echo ::set-output name=targz::$(basename $(ls dist/*tar.gz))
+          echo ::set-output name=wheel::$(basename $(ls dist/*whl))
+      - name: Create release on GitHub
+        id: create_release
+        uses: actions/create-release@latest
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          body: ''
+          draft: false
+          prerelease: false
+      - name: Upload sdist to GitHub
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: dist/${{ steps.build_package.outputs.targz }}
+          asset_name: ${{ steps.build_package.outputs.targz }}
+          asset_content_type: application/gzip
+      - name: Upload wheel to GitHub
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: dist/${{ steps.build_package.outputs.wheel }}
+          asset_name: ${{ steps.build_package.outputs.wheel }}
+          asset_content_type: application/zip
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}