Add some building infrastructure

Author: matz-e

.github/workflows/publish.yml

@@ -0,0 +1,75 @@
+name: Publish sdist tarball to PyPi
+
+on:
+  push:
+    branches: ['main']
+    tags: ['[0-9]+.[0-9]+.[0-9]+']
+  pull_request:
+
+jobs:
+  build_sdist:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.12
+      - name: Build a source tarball
+        run: |
+          python -m pip install build
+          python -m build
+      - name: Store sdist as artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: dist
+          path: dist/*.tar.gz
+
+  test_sdist:
+    name: Test source distribution
+
+    runs-on: ubuntu-latest
+    needs: [build_sdist]
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.12
+      - name: Download artifacts produced during the build_wheels and build_sdist jobs
+        uses: actions/download-artifact@v3
+        with:
+          name: dist
+          path: dist/
+      - name: Install package, clean local directory
+        run: |
+          rm -rf fz_td_recipe/
+          python -m pip install dist/*
+          python -m pip install pytest
+      - name: Run tests
+        run: |
+          pytest tests
+
+  publish:
+    name: Publish package to PyPI
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
+
+    runs-on: ubuntu-latest
+    needs: [build_sdist, test_sdist]
+
+    steps:
+      - name: Download artifacts produced by the build_sdist job
+        uses: actions/download-artifact@v3
+        with:
+          name: dist
+          path: dist/
+      - name: Display structure of downloaded files
+        run: ls -R
+        working-directory: dist
+      - name: Publish source distribution package to PyPI
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          password: ${{ secrets.PYPI_API_TOKEN }}
+          packages_dir: dist/