add pypi workflow

.github/workflows/pypi.yml

@@ -0,0 +1,85 @@
+# Publish archives to PyPI and TestPyPI using GitHub Actions
+name: Publish to PyPI
+
+# Only run for tagged releases
+on:
+  release:
+    types:
+      - released
+  push:
+    branches:
+      - dev
+  workflow_dispatch:
+
+jobs:
+  build-artifact:
+    name: Build echoregions package
+    runs-on: ubuntu-20.04
+    if: github.repository == 'OSOceanAcoustics/echoregions'
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        # fetch all history so that setuptools-scm works
+        fetch-depth: 0
+
+    - name: Set up Python
+      uses: actions/[email protected]
+      with:
+        python-version: 3.9
+
+    - name: Install dependencies
+      run: python -m pip install setuptools wheel
+
+    - name: Build source and wheel distributions
+      run: |
+        python setup.py sdist bdist_wheel
+        echo ""
+        echo "Generated files:"
+        ls -lh dist/
+    - uses: actions/upload-artifact@v3
+      with:
+        name: releases
+        path: dist
+
+  test-built-dist:
+    name: Test echoregions package
+    needs: build-artifact
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/[email protected]
+      name: Install Python
+      with:
+        python-version: 3.9
+    - uses: actions/download-artifact@v3
+      with:
+        name: releases
+        path: dist
+    - name: List contents of built dist
+      run: |
+        ls -ltrh
+        ls -ltrh dist
+    - name: Publish to Test PyPI
+      uses: pypa/[email protected]
+      with:
+        password: ${{ secrets.TEST_PYPI_API_TOKEN }}
+        repository_url: https://test.pypi.org/legacy/
+        verbose: true
+        skip_existing: true
+    - name: Check pypi packages
+      run: |
+        sleep 3
+        python -m pip install --upgrade pip
+
+        echo "=== Testing wheel file ==="
+        # Install wheel to get dependencies and check import
+        python -m pip install --extra-index-url https://test.pypi.org/simple --upgrade --pre echoregions
+        python -c "import echoregions; print(echoregions.__version__)"
+        echo "=== Done testing wheel file ==="
+
+        echo "=== Testing source tar file ==="
+        # Install tar gz and check import
+        python -m pip uninstall --yes echoregions
+        python -m pip install --extra-index-url https://test.pypi.org/simple --upgrade --pre --no-binary=:all: echoregions
+        python -c "import echoregions; print(echoregions.__version__)"
+        echo "=== Done testing source tar file ==="