Support Python 3.13

Re #2986

.github/workflows/test_runner.yml

@@ -17,8 +17,8 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
-        os: [windows-latest, ubuntu-22.04]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        os: [windows-latest, ubuntu-latest]
     uses: ./.github/workflows/unit_tests.yml
     with:
       host-os: ${{ matrix.os }}
@@ -29,8 +29,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
-        os: [windows-latest, ubuntu-22.04]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        os: [windows-latest, ubuntu-latest]
     uses: ./.github/workflows/execution_tests.yml
     with:
       host-os: ${{ matrix.os }}

CHANGELOG.md

@@ -7,6 +7,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.1.0/)
 
 ### Added
 
+- Support for Python 3.13.
+
 ### Changed
 
 ### Deprecated

README.md

@@ -1,7 +1,7 @@
 # Spine Toolbox
 Link to the documentation: [https://spine-toolbox.readthedocs.io/en/latest/?badge=latest](https://spine-toolbox.readthedocs.io/en/latest/?badge=latest)
 
-[![Python](https://img.shields.io/badge/python-3.9%20|%203.10%20|%203.11%20|%203.12-blue.svg)](https://www.python.org/downloads/release/python-3120/)
+[![Python](https://img.shields.io/badge/python-3.9%20|%203.10%20|%203.11%20|%203.12%20|%203.13-blue.svg)](https://www.python.org/downloads/release/python-3120/)
 [![Documentation Status](https://readthedocs.org/projects/spine-toolbox/badge/?version=latest)](https://spine-toolbox.readthedocs.io/en/latest/?badge=latest)
 [![Test suite](https://github.com/spine-tools/Spine-Toolbox/actions/workflows/test_runner.yml/badge.svg)](https://github.com/spine-tools/Spine-Toolbox/actions/workflows/test_runner.yml)
 [![codecov](https://codecov.io/gh/spine-tools/Spine-Toolbox/branch/master/graph/badge.svg)](https://codecov.io/gh/spine-tools/Spine-Toolbox)
@@ -11,7 +11,7 @@ Link to the documentation: [https://spine-toolbox.readthedocs.io/en/latest/?badg
 Spine Toolbox is an open source Python package to manage data, scenarios and workflows for modelling and simulation. 
 You can have your local workflow, but work as a team through version control and SQL databases.
 
-<p align="center" width="100%">
+<p align="center">
   <picture>
     <source media="(prefers-color-scheme: dark)" srcset="./fig/spinetoolbox_logo.svg" width="50%">
     <img alt="Spine Toolbox" src="./fig/spinetoolbox_on_wht.svg" width="50%">
@@ -51,7 +51,7 @@ These steps apply to both [Python/pipx](#installation-with-python-and-pipx) opti
 
 1. If you don't have Python installed, please install it e.g. from 
 [Python.org](https://www.python.org/downloads/).
-Please note that we support Python versions from 3.9 to 3.12. (As of 21st Oct. 2024, Python 3.13 has issues with some of our dependencies)
+Please note that we support Python versions from 3.9 to 3.13.
 
 2. Test that python is now in your PATH. Open a new terminal (e.g. Command Prompt) window and type 
 
@@ -458,7 +458,6 @@ already open in the issue tracker.
 
 &nbsp;
 <hr>
-<center>
 <table width=500px frame="none">
 <tr>
 <td valign="middle" width=100px>
@@ -472,4 +471,3 @@ Innovation Actions under grant agreement N°101095998.</td>
 <td valign="middle">This work has been partially supported by EU project Spine (2017-2021), which has received funding 
 from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 774629.</td>
 </table>
-</center>

pyproject.toml

@@ -11,7 +11,7 @@ classifiers = [
     "License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)",
     "Operating System :: OS Independent",
 ]
-requires-python = ">=3.9, <3.13"
+requires-python = ">=3.9"
 dependencies = [
     "PySide6 >= 6.5.0, != 6.5.3, != 6.6.3, != 6.7.0, != 6.8.0",
     "jupyter_client >=6.0",