Backport PR #1657: CI/automate release to PyPI (#1657)

* feat: switch to publishing to PyPI on pushing a version tag, using trusted publishing (via Trusted Publisher Management in PyPI)

Signed-off-by: F.N. Claessen <felix@seita.nl>

* docs: add note about excluding dev versions

Signed-off-by: F.N. Claessen <felix@seita.nl>

* docs: changelog entry

Signed-off-by: F.N. Claessen <felix@seita.nl>

* docs: add release date for v0.27.1

Signed-off-by: F.N. Claessen <felix@seita.nl>

---------

Signed-off-by: F.N. Claessen <felix@seita.nl>
(cherry picked from commit 0a4dda5)

Author: Flix6x

.github/workflows/release.yml

@@ -0,0 +1,43 @@
+name: Release to PyPI
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+\.[0-9]+\.[0-9]+'  # Match tags that resemble a version (no dev versions)
+
+jobs:
+  build-and-publish:
+    name: Build and publish Python package
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/flexmeasures
+
+    permissions:
+      contents: read
+      id-token: write
+
+    steps:
+      - name: Check out the repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Upgrade pip and install build
+        run: |
+          python -m pip install --upgrade pip
+          pip install build
+
+      - name: Build the package
+        run: python -m build
+
+      - name: Check distribution metadata
+        run: |
+          pip install twine
+          twine check dist/*
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1

documentation/changelog.rst

@@ -5,7 +5,7 @@ FlexMeasures Changelog
 
 
 
-v0.27.1 | July XX, 2025
+v0.27.1 | August 11, 2025
 ============================
 
 Bugfixes
@@ -14,6 +14,10 @@ Bugfixes
 * Fix a few UI grievances in asset creation, esp. child assets [see `PR #1629 <https://github.com/FlexMeasures/flexmeasures/pull/1629>`_]
 * Fix updating the URL query parameters upon date selection in the UI of servers in play mode [see `PR #1649 <https://github.com/FlexMeasures/flexmeasures/pull/1649>`_]
 
+Infrastructure / Support
+----------------------
+* Automate release process to PyPI [see `PR #1657 <https://github.com/FlexMeasures/flexmeasures/pull/1657>`_]
+
 
 v0.27.0 | July 20, 2025
 ============================