Adds GH publish workflow.

Moves version back to pyproject.toml
Uses importlib to provide __version__ in package __init__

.github/workflows/python-publish.yml

@@ -0,0 +1,40 @@
+# This workflow will upload a Python Package using Twine when a release is created
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python#publishing-to-package-registries
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+name: Upload Python Package
+
+on:
+  release:
+    types: [published]
+
+permissions:
+  contents: read
+
+jobs:
+  deploy:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+    - name: Set up Python
+      uses: actions/setup-python@v3
+      with:
+        python-version: '3.x'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install build
+    - name: Build package
+      run: python -m build
+    - name: Publish package
+      uses: pypa/gh-action-pypi-publish@27b31702a0e7fc50959f5ad993c78deac1bdfc29
+      with:
+        user: __token__
+        password: ${{ secrets.PYPI_API_TOKEN }}

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "nipiezojenapy"
-dynamic = ["version"] # version is defined in __init__.py
+version = "1.0.1.dev2"
 
 description = "A package for controlling Jena PiezoSystem NV40 3CLE amplifier vi NIDAQMX."
 readme = "README.md"
@@ -56,5 +56,3 @@ dependencies = [
 [project.scripts]
 qt3piezo = "applications.tkcontrollerapp:main"
 
-[tool.setuptools.dynamic]
-version = {attr = "nipiezojenapy.__version__"}

src/nipiezojenapy/__init__.py

@@ -1,3 +1,3 @@
 from .controller import PiezoControl, BaseControl
-
-__version__ = '1.0.1.dev0'
+from importlib.metadata import version
+__version__ = version(__package__)