Automatic PyPi Release (Lightning-AI#1324)

* Add Workflow for Automated pypi releases

* Rename pypi_release to pypi_release.yml

* Update .github/workflows/pypi_release.yml

Co-Authored-By: Jirka Borovec <Borda@users.noreply.github.com>

* Update .github/workflows/pypi_release.yml

Co-Authored-By: Jirka Borovec <Borda@users.noreply.github.com>

* Add releases to test.pypi

Co-authored-by: Jirka Borovec <Borda@users.noreply.github.com>

.github/workflows/pypi_release.yml

@@ -0,0 +1,41 @@
+name: PyPI Release
+
+on: [push]
+
+# based on https://github.com/pypa/gh-action-pypi-publish
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [3.7]
+
+    steps:
+    - uses: actions/checkout@master
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.7
+
+    - name: Install dependencies
+      run: >-
+        python -m pip install --user --upgrade setuptools wheel
+    - name: Build
+      run: >-
+        python setup.py sdist bdist_wheel
+    
+    # We do this, since failures on test.pypi aren't that bad
+    - name: Publish to Test PyPI
+      if: startsWith(github.event.ref, 'refs/tags')
+      uses: pypa/gh-action-pypi-publish@master
+      with:
+        password: ${{ secrets.test_pypi_password }}
+        repository_url: https://test.pypi.org/legacy/
+
+    - name: Publish distribution 📦 to PyPI
+      if: startsWith(github.event.ref, 'refs/tags')
+      uses: pypa/gh-action-pypi-publish@master
+      with:
+        password: ${{ secrets.pypi_password }}