gh-actions: publish to pypi

.github/workflows/build-and-release-py2.yml

@@ -1,6 +1,8 @@
 name: test (python 2.7)
 
 on:
+  push:
+    branches: [master]
   pull_request:
     branches: [master]
 

.github/workflows/build-and-release.yml

@@ -1,4 +1,4 @@
-name: test and bump
+name: test, bump and publish
 
 on:
   push:
@@ -78,4 +78,42 @@ jobs:
         run: |
           sha_new=$(git rev-parse HEAD)
           echo $sha_new
-          echo "::set-output name=SHA::$sha_new"
+          echo "::set-output name=SHA::$sha_new"
+
+  publish:
+    needs: bump
+    if: ${{ github.event_name == 'push' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          ref: ${{ needs.bump.outputs.new_sha }}
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install python dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools twine wheel coveralls
+          pip install -e .[all]
+
+      - name: Show python dependencies
+        run: |
+          pip freeze
+
+      - name: Build package
+        run: |
+          mkdir clean-build
+          python setup.py sdist bdist_wheel --universal --dist-dir ./clean-build
+
+      - name: Publish package
+        uses: pypa/[email protected]
+        with:
+          user: __token__
+          password: ${{ secrets.pypi_token }}
+          packages_dir: clean-build/