gci: Add workflow to deploy PyPI artifacts

.github/workflows/macos.yaml

@@ -57,7 +57,7 @@ jobs:
           export LDFLAGS="-L/usr/local/opt/sqlite/lib"
           export CPPFLAGS="-I/usr/local/opt/sqlite/include"
 
-          pip3 install -U \
+          pip3 install --user -U --use-feature=in-tree-build \
             -r requirements.txt \
             -r contrib/pyln-client/requirements.txt \
             -r contrib/pyln-proto/requirements.txt \

.github/workflows/pypi.yml

@@ -0,0 +1,54 @@
+---
+name: Publish Python 🐍 distributions 📦 to PyPI and TestPyPI
+on: push
+jobs:
+  deploy:
+    name: Build and publish Python 🐍 distributions 📦 to PyPI and TestPyPI
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: true
+      matrix:
+        include:
+          - PACKAGE: pyln-client
+            WORKDIR: contrib/pyln-client
+          - PACKAGE: pyln-testing
+            WORKDIR: contrib/pyln-testing
+          - PACKAGE: pyln-proto
+            WORKDIR: contrib/pyln-proto
+          - PACKAGE: pyn-bolt1
+            WORKDIR: contrib/pyln-spec/bolt1/
+          - PACKAGE: pyn-bolt2
+            WORKDIR: contrib/pyln-spec/bolt2/
+          - PACKAGE: pyn-bolt4
+            WORKDIR: contrib/pyln-spec/bolt4/
+          - PACKAGE: pyn-bolt7
+            WORKDIR: contrib/pyln-spec/bolt7/
+    steps: 
+    - uses: actions/checkout@master 
+    - name: Set up Python 3.7 
+      uses: actions/setup-python@v1 
+      with: 
+        python-version: 3.7 
+    - name: Install pypa/build 
+      run: >- 
+        python -m pip install build --user
+    - name: Build a binary wheel and a source tarball
+      env:
+        WORKDIR: ${{ matrix.WORKDIR }}
+      run: >-
+        cd ${{ env.WORKDIR}} &&
+        python -m build --sdist --wheel --outdir dist/ .
+    - name: Publish distribution 📦 to Test PyPI 
+      uses: pypa/gh-action-pypi-publish@master
+      env:
+        WORKDIR: ${{ matrix.WORKDIR }}
+      with: 
+        password: ${{ secrets.TEST_PYPI_API_TOKEN }} 
+        repository_url: https://test.pypi.org/legacy/
+        packages_dir: "${{ env.WORKDIR}}/dist"
+        skip_existing: true
+#    - name: Publish distribution 📦 to PyPI
+#      if: startsWith(github.ref, 'refs/tags')
+#      uses: pypa/gh-action-pypi-publish@master
+#      with:
+#        password: ${{ secrets.PYPI_API_TOKEN }}