Chore/migrate root to uv

.github/workflows/tests.yml

@@ -0,0 +1,53 @@
+name: tests
+
+on:
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - '*.md'
+  pull_request:
+    branches:
+      - master
+    paths-ignore:
+      - '*.md'
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+
+      - name: Install dependencies
+        run: uv sync
+
+      - name: Lint with ruff
+        run: uv run ruff check hooks/ tests/
+
+      - name: Check formatting with ruff
+        run: uv run ruff format --check hooks/ tests/
+
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10", "3.13"]
+        os: [ubuntu-latest, windows-latest]
+    name: Test (Python ${{ matrix.python-version }} on ${{ matrix.os }})
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: uv sync
+
+      - name: Test with pytest
+        run: uv run pytest tests

CHANGELOG.md

@@ -7,8 +7,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.4.0] - 2026-05-04
+
 ### Added
-- Placeholder for future updates and new features.
+- New `lint` job in CI (`tests.yml`) runs `ruff check` and `ruff format --check` on `hooks/` and `tests/` on every push and PR.
+- Added `ruff>=0.15.12` to dev dependencies with `[tool.ruff]` config (excludes Jinja2 template files).
+
+### Changed
+- Migrated root tooling from Poetry to uv: `pyproject.toml` converted to PEP 621 `[project]` format, `poetry.lock` replaced by `uv.lock`, GitHub Actions workflow updated to use `astral-sh/setup-uv@v5` (via `uvx migrate-to-uv`).
+- Renamed CI workflow `tests-poetry.yml` → `tests.yml`; updated badge in README.
+- Updated `actions/checkout` from v5 to v6 in CI.
+- Updated `typer` from `^0.21.1` to `>=0.25.0`, `setuptools` from `^80.10.2` to `>=82.0.0` (Renovate).
+- Updated pre-commit hooks in generated project template: `astral-sh/ruff-pre-commit` v0.14.14 → v0.15.12, `pycqa/isort` 6.1.0 → 8.0.1, `asottile/pyupgrade` v3.20.0 → v3.21.2 (Renovate).
+- Updated uv Dockerfile base image from `python:3.13-slim-bookworm` to `python:3.14-slim-bookworm` (Renovate).
 
 ## [1.3.0] - 2026-01-27
 

README.md

@@ -1,6 +1,6 @@
 # AT Python Template
 
-[![Build](https://img.shields.io/github/actions/workflow/status/at-gmbh/at-python-template/tests-poetry.yml?branch=master)](https://github.com/at-gmbh/at-python-template/actions?query=branch%3Amaster+)
+[![Build](https://img.shields.io/github/actions/workflow/status/at-gmbh/at-python-template/tests.yml?branch=master)](https://github.com/at-gmbh/at-python-template/actions?query=branch%3Amaster+)
 ![Python Version](https://img.shields.io/badge/python-3.10%20--%203.13-blue)
 [![Latest Version](https://img.shields.io/github/v/tag/at-gmbh/at-python-template?label=version&sort=semver)](https://github.com/at-gmbh/at-python-template/releases)
 [![Commit Activity](https://img.shields.io/github/commit-activity/m/at-gmbh/at-python-template)](https://github.com/at-gmbh/at-python-template/commits/master)
@@ -192,8 +192,8 @@ This Readme file contains our technical documentation, a user guide can be found
 
 Hints for developers:
 
-* install dependencies in a fresh virtualenv with `pip install -r requirements.txt`
-* run unit tests with `pytest tests`. There are unit tests for every available choice in [`tests/test_options.py`](./tests/test_options.py). If you add more choices, please update these tests.
+* install dependencies with `uv sync` (installs uv first if needed: `pip install uv`)
+* run unit tests with `uv run pytest tests`. There are unit tests for every available choice in [`tests/test_options.py`](./tests/test_options.py). If you add more choices, please update these tests.
 * be careful with code formatters: Many files in this project contain [jinja2 templates](https://jinja.palletsprojects.com) (you'll find statements like `{% if cookiecutter.config_file == 'yaml' %}...{% endif %}` all over the place). These templates mean that the source code becomes syntactically incorrect and some formatters might do unexpected things.
 * you can make your life easier when updating templated files by using [cookiecutter-server](https://github.com/at-gmbh/cookiecutter-server) to get live previews of your templates
 * before your first commit, set up pre-commit hooks by running `pre-commit install`