Refactors TestPyPI GHA to use dunamai

.github/workflows/publish_testpypi.yml

@@ -1,7 +1,9 @@
 # Publish to TestPyPI
 #
-# This workflow publishes nii2dcm on TestPyPI prior to production release onto PyPI. The workflow is intended to catch
-# any issues arising during the release procedure to prevent unnecessary versioning issues on PyPI
+# This workflow publishes nii2dcm on TestPyPI prior to
+# production release onto PyPI. The workflow is intended to
+# catch any issues arising during the release procedure to
+# prevent unnecessary versioning issues on PyPI.
 #
 # This workflow will upload a Python Package using Twine when a release is created. For more information see:
 # https://help.github.com/en/actions/language-and-framework-guides/using-python-with-github-actions#publishing-to-package-registries
@@ -14,20 +16,25 @@
 name: Publish package to TestPyPI
 
 on:
-  pull_request
+  push:
+    branches:
+      - main
+      - 24-gha-pypi
 
 permissions:
   contents: read
+  actions: write
 
 jobs:
   testpypi-publish:
 
-    name: Publish release to TestPyPI
     runs-on: ubuntu-latest
     environment:
       name: testpypi
       url: https://test.pypi.org/p/nii2dcm
     permissions:
+      contents: read
+      actions: write
       id-token: write  # IMPORTANT: this permission is mandatory for PyPI trusted publishing
 
     steps:
@@ -43,18 +50,37 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install build
+        pip install setuptools wheel
+        pip install -r requirements.txt
 
     - name: Build package
-      run: python -m build --sdist --wheel --outdir dist/
+      run: python setup.py install
+
+    - name: Display version via dunamai
+      run: |
+        echo "dunamai version:"
+        dunamai from any
 
-    - name: Display nii2dcm version
+    - name: Display version via nii2dcm CLI
       id: nii2dcm-version
       run: |
-        pip install -e .
+#        pip install -e .
         echo "nii2dcm version:"
         nii2dcm -v
 
+    - name: Create dist/
+      run: |
+        python setup.py sdist bdist_wheel
+        twine check dist/*
+
+    - name: Remove .egg
+      run: |
+        echo "dist/ before:"
+        ls dist/
+        [ -f "./dist/*.egg" ] && "Deleting .egg file as not permitted on PyPI" || rm ./dist/*.egg
+        echo "dist/ after:"
+        ls dist/
+
     - name: Publish package to TestPyPI
       uses: pypa/gh-action-pypi-publish@release/v1
       with: