Using github actions to publish to PyPi (#101)

* [add] using github actions to publish to PyPi

* [add] added check-pypi action to prevent missing secrets

Author: filipecosta90

.github/workflows/check-pypi.yml

@@ -0,0 +1,27 @@
+name: Check if required secrets are set to publish to Pypi
+
+on: push
+
+jobs:
+  checksecret:
+    name: check if PYPI_TOKEN and TESTPYPI_TOKEN are set in github secrets
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check PYPI_TOKEN
+        env:
+          PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}
+        run: |
+          if ${{ env.PYPI_TOKEN == '' }} ; then
+            echo "PYPI_TOKEN secret is not set"
+            exit 1
+          fi
+      - name: Check TESTPYPI_TOKEN
+        env:
+          TESTPYPI_TOKEN: ${{ secrets.TESTPYPI_TOKEN }}
+        run: |
+          if ${{ env.TESTPYPI_TOKEN == '' }} ; then
+            echo "TESTPYPI_TOKEN secret is not set"
+            exit 1
+          fi
+
+

.github/workflows/publish-pypi.yml

@@ -0,0 +1,50 @@
+name: Publish Pypi
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    name: publish
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Set up Python 2.7
+        uses: actions/setup-python@v1
+        with:
+          python-version: 2.7
+
+      - name: Install twine
+        run: |
+            pip install twine
+
+      - name: Install wheel
+        run: |
+            pip install wheel
+
+      - name: Create a source distribution
+        run: |
+          python setup.py sdist
+
+      - name: Create a wheel
+        run: |
+            python setup.py bdist_wheel
+
+      - name: Create a .pypirc
+        run: |
+            echo -e "[pypi]" >> ~/.pypirc
+            echo -e "username = __token__" >> ~/.pypirc
+            echo -e "password = ${{ secrets.PYPI_TOKEN }}" >> ~/.pypirc
+            echo -e "[testpypi]" >> ~/.pypirc
+            echo -e "username = __token__" >> ~/.pypirc
+            echo -e "password = ${{ secrets.TESTPYPI_TOKEN }}" >> ~/.pypirc
+
+      - name: Publish to Test PyPI
+        if: github.event_name == 'release'
+        run: |
+          twine upload --skip-existing -r testpypi dist/*
+
+      - name: Publish to PyPI
+        if: github.event_name == 'release'
+        run: |
+          twine upload -r pypi dist/*