Adds Deploy step

Author: Vignesh Kennadi

.github/workflows/build-test-lint.yml

@@ -2,6 +2,8 @@ name: Python Build, Lint
 
 on:
     push:
+    release:
+        types: [published]
 
 jobs:
     build-test-lint:
@@ -16,7 +18,7 @@ jobs:
 
             - name: Set up Python environment
               uses: actions/setup-python@v5
-              with: 
+              with:
                 python-version: '3.8'
                 cache: 'pip'
 
@@ -29,11 +31,11 @@ jobs:
                 sudo pip install flake8
                 pip install -r requirements.txt -r requirements/dev.txt
               working-directory: xero-python
-                
+
             - name: Run Flake8
               run: flake8 xero_python
               working-directory: xero-python
-                
+
             - name: Build package
               run: python setup.py sdist
               working-directory: xero-python
@@ -43,4 +45,46 @@ jobs:
             #     source venv/bin/activate
             #     pip install -r requirements/test.txt
             #     pytest -v
-            #   working-directory: xero-python
+            #   working-directory: xero-python
+    deploy:
+        runs-on: ubuntu-latest
+        needs: build-test-lint
+        if: github.event_name == 'release' && github.event.action == 'published'
+
+        steps:
+            - name: Checkout xero-python repo
+              uses: actions/checkout@v4
+              with:
+                repository: XeroAPI/xero-python
+                path: xero-python
+
+            - name: Set up Python environment
+              uses: actions/setup-python@v5
+              with:
+                python-version: '3.8'
+                cache: 'pip'
+
+            - name: Install dependencies
+              run: |
+                python -m venv venv
+                source venv/bin/activate
+                pip install --upgrade pip
+                pip install black
+                sudo pip install flake8
+                pip install -r requirements.txt -r requirements/dev.txt
+              working-directory: xero-python
+
+            - name: Build new package version
+              run: python setup.py sdist
+              working-directory: xero-python
+
+            - name: Verify new package version
+              run: ls -al dist
+              working-directory: xero-python
+
+            - name: Deploy to test PyPi
+              env:
+                TWINE_USERNAME: ${{ secrets.TEST_PYPI_USERNAME }}
+                TWINE_PASSWORD: ${{ secrets.TEST_PYPI_PASSWORD }}
+              run: twine upload --repository-url https://test.pypi.org/legacy/ dist/*
+              working-directory: xero-python