Adding automated PyPI publishing

Author: skafaie

.github/workflows/publish-pypi.yml

@@ -0,0 +1,60 @@
+name: Publish to PyPI
+
+on:
+  release:
+    types: [published]
+
+  workflow_dispatch:
+    inputs:
+      ref:
+        description: "Git tag to publish"
+        required: true
+        default: "v2.0.3"
+
+permissions:
+  contents: read
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    environment:
+      name: pypi
+      url: https://pypi.org/project/sarand/
+
+    permissions:
+      contents: read
+      id-token: write
+
+    steps:
+      - name: Select release tag
+        id: release
+        shell: bash
+        run: |
+          if [[ "${{ github.event_name }}" == "release" ]]; then
+            echo "ref=${{ github.event.release.tag_name }}" >> "$GITHUB_OUTPUT"
+          else
+            echo "ref=${{ inputs.ref }}" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Check out release
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ steps.release.outputs.ref }}
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install packaging tools
+        run: python -m pip install --upgrade build twine
+
+      - name: Build package
+        run: python -m build
+
+      - name: Validate package
+        run: python -m twine check dist/*
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1