Chore/update linting tools

.github/workflows/cd-test-pypi.yml

@@ -0,0 +1,10 @@
+name: test-cd
+on:
+  pull_request:
+    branches: ["master"]
+jobs:
+  pypi:
+    uses: ecmwf/reusable-workflows/.github/workflows/cd-pypi.yml@v2
+    secrets: inherit
+    with:
+      testpypi: true

.github/workflows/cd.yml

@@ -3,7 +3,7 @@ name: cd
 on:
   push:
     tags:
-      - '**'
+    - '**'
 
 jobs:
   pypi:

.github/workflows/ci.yml

@@ -4,16 +4,16 @@ on:
   # Trigger the workflow on push to master or develop, except tag creation
   push:
     branches:
-      - "master"
-      - "develop"
+    - "master"
+    - "develop"
     tags-ignore:
-      - "**"
+    - "**"
 
   # Trigger the workflow on pull request
-  pull_request: ~
+  pull_request:
 
   # Trigger the workflow manually
-  workflow_dispatch: ~
+  workflow_dispatch:
 
   # Trigger after public PR approved for CI
   pull_request_target:
@@ -28,7 +28,6 @@ jobs:
     with:
       earthkit-time: ecmwf/earthkit-time@${{ github.event.pull_request.head.sha || github.sha }}
       codecov_upload: true
-      python_qa: true
     secrets: inherit
 
   # Build downstream packages on HPC

.github/workflows/qa.yml

@@ -0,0 +1,20 @@
+name: Quality assurance
+on:
+  push:
+    branches: ["master", "develop"]
+  pull_request:
+    branches: ["master", "develop"]
+    types: [opened, synchronize, reopened]
+jobs:
+  pre-commit:
+    uses: ecmwf/reusable-workflows/.github/workflows/qa-precommit-run.yml@v2
+    with:
+      skip-hooks: "no-commit-to-branch"
+  tests:
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+    uses: ecmwf/reusable-workflows/.github/workflows/qa-pytest-pyproject.yml@v2
+    with:
+      python-version: ${{ matrix.python-version }}
+      optional-dependencies: "test"

.pre-commit-config.yaml

@@ -0,0 +1,47 @@
+default_language_version:
+  python: python3
+default_stages:
+- pre-commit
+- pre-push
+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v6.0.0
+  hooks:
+  - id: trailing-whitespace
+  - id: end-of-file-fixer
+  - id: check-json
+  - id: check-yaml
+    args: [--unsafe, --allow-multiple-documents]
+  - id: check-toml
+  - id: check-added-large-files
+  - id: check-merge-conflict
+  - id: debug-statements
+  - id: mixed-line-ending
+  - id: no-commit-to-branch
+    args: [--branch, master, --branch, develop]
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  rev: v0.15.4
+  hooks:
+  - id: ruff-check
+    exclude: '(dev/.*|.*_)\.py$'
+    args:
+    - --line-length=120
+    - --fix
+    - --exit-non-zero-on-fix
+    - --preview
+  - id: ruff-format
+- repo: https://github.com/executablebooks/mdformat
+  rev: 1.0.0
+  hooks:
+  - id: mdformat
+- repo: https://github.com/macisamuele/language-formatters-pre-commit-hooks
+  rev: v2.16.0
+  hooks:
+  - id: pretty-format-yaml
+    args: [--autofix, --preserve-quotes]
+  - id: pretty-format-toml
+    args: [--autofix]
+- repo: https://github.com/gitleaks/gitleaks
+  rev: v8.30.0
+  hooks:
+  - id: gitleaks

.readthedocs.yaml

@@ -31,4 +31,4 @@ python:
   - method: pip
     path: .
     extra_requirements:
-      - docs
+    - docs

CHANGELOG.md

@@ -2,44 +2,44 @@
 
 ## Unreleased changes
 
-* Add `earthkit.time.create_sequence` wrapper for easy sequence creation
-* Fix misleading date/datetime parsing
+- Add `earthkit.time.create_sequence` wrapper for easy sequence creation
+- Fix misleading date/datetime parsing
 
 ## 0.1.8 - 2026-02-16
 
-* Add `earthkit-datetime` tool to compute datetime shifts and differences
+- Add `earthkit-datetime` tool to compute datetime shifts and differences
 
 ## 0.1.7 - 2025-01-02
 
-* Export version as `earthkit.time.__version__`
-* Add options for relative year range in climatology tools
+- Export version as `earthkit.time.__version__`
+- Add options for relative year range in climatology tools
 
 ## 0.1.6 - 2024-11-04
 
-* Update project metadata
+- Update project metadata
 
 ## 0.1.5 - 2024-11-04
 
-* Fix `ImportError` with Python >= 3.13
+- Fix `ImportError` with Python >= 3.13
 
 ## 0.1.4 - 2024-10-21
 
-* Add `--skip` options to `earthkit-dateseq previous/next`
+- Add `--skip` options to `earthkit-dateseq previous/next`
 
 ## 0.1.3 - 2024-07-19
 
-* Add `Sequence.nearest` and `earthkit-dateseq nearest`
+- Add `Sequence.nearest` and `earthkit-dateseq nearest`
 
 ## 0.1.2 - 2024-07-02
 
-* Change the default separator to a newline for command-line tools
-* Add `--sep` options to the actions printing lists
-* Add `earthkit-date` tool to compute date shifts and differences
+- Change the default separator to a newline for command-line tools
+- Add `--sep` options to the actions printing lists
+- Add `earthkit-date` tool to compute date shifts and differences
 
 ## 0.1.1 - 2024-06-20
 
-* Compatibility with Python 3.8
+- Compatibility with Python 3.8
 
 ## 0.1.0 - 2024-06-19
 
-* First published version
+- First published version

README.md

@@ -31,7 +31,7 @@
   <a href="https://earthkit-time.readthedocs.io">Documentation</a>
 </p>
 
-> \[!IMPORTANT\]
+> [!IMPORTANT]
 > This software is **Emerging** and subject to ECMWF's guidelines on [Software Maturity](https://github.com/ecmwf/codex/raw/refs/heads/main/Project%20Maturity).
 
 **earthkit-time** is a package containing date and time manipulation routines for the use of weather data. It is a component of [earthkit](https://github.com/ecmwf/earthkit).
@@ -41,6 +41,7 @@
 The documentation can be found at https://earthkit-time.readthedocs.io.
 
 ## Installation
+
 Install from PyPI:
 
 ```

docs/api/sequence.rst

@@ -31,4 +31,3 @@ Built-in Sequences
 .. autoclass:: MonthlySequence
 
 .. autoclass:: YearlySequence
-

pyproject.toml

@@ -1,69 +1,89 @@
 [build-system]
-requires = ["setuptools>=65", "wheel"]
 build-backend = "setuptools.build_meta"
+requires = ["setuptools>=65", "wheel"]
 
 [project]
-dynamic = ["version"]
-name = "earthkit-time"
-requires-python = ">= 3.8"
-description = "Date and time manipulation routines for the use of weather data"
-license = {file = "LICENSE"}
-readme = "README.md"
 classifiers = [
-    "Development Status :: 4 - Beta",
-    "Intended Audience :: Science/Research",
-    "License :: OSI Approved :: Apache Software License",
-    "Natural Language :: English",
-    "Operating System :: OS Independent",
-    "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
-    "Programming Language :: Python :: 3.12",
-    "Programming Language :: Python :: 3.13",
-    "Topic :: Scientific/Engineering",
+  "Development Status :: 4 - Beta",
+  "Intended Audience :: Science/Research",
+  "License :: OSI Approved :: Apache Software License",
+  "Natural Language :: English",
+  "Operating System :: OS Independent",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3 :: Only",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
+  "Topic :: Scientific/Engineering"
 ]
 dependencies = ["pyyaml"]
+description = "Date and time manipulation routines for the use of weather data"
+dynamic = ["version"]
+license = {file = "LICENSE"}
+name = "earthkit-time"
+readme = "README.md"
+requires-python = ">= 3.8"
 
 [project.optional-dependencies]
 docs = [
-    "myst-parser",
-    "Sphinx",
-    "sphinx-rtd-theme",
+  "myst-parser",
+  "Sphinx",
+  "sphinx-rtd-theme"
 ]
 test = [
-    "pytest >= 8.1",
+  "pytest >= 8.1"
 ]
 
 [project.scripts]
 earthkit-climdates = "earthkit.time.cli.climatology:main"
-earthkit-dateseq = "earthkit.time.cli.sequence:main"
 earthkit-date = "earthkit.time.cli.date:main"
+earthkit-dateseq = "earthkit.time.cli.sequence:main"
 earthkit-datetime = "earthkit.time.cli.datetime:main"
 
 [project.urls]
-Homepage = "https://github.com/ecmwf/earthkit-time/"
 Documentation = "https://earthkit-time.readthedocs.io"
-
-[tool.isort]
-profile = "black"
+Homepage = "https://github.com/ecmwf/earthkit-time/"
 
 [tool.pytest.ini_options]
-minversion = "8.1"
 addopts = "--doctest-modules"
+minversion = "8.1"
 testpaths = [
-    "src",
-    "tests",
+  "tests"
+]
+
+[tool.ruff]
+line-length = 120
+
+[tool.ruff.lint]
+ignore = [
+  "D1",  # pydocstyle: Missing Docstrings
+  "D203",
+  "D205",
+  "D212",
+  "D213",
+  "D401",
+  "D402",
+  "D413",
+  "D415",
+  "D416",
+  "D417"
+]
+select = [
+  "F",  # pyflakes
+  "E",  # pycodestyle
+  "W",  # pycodestyle warnings
+  "I",  # isort
+  "D"  # pydocstyle
 ]
-consider_namespace_packages = true
 
 [tool.setuptools.dynamic]
 version = {attr = "earthkit.time.__version__"}
 
-[tool.setuptools.packages.find]
-where = ["src"]
-
 [tool.setuptools.package-data]
 "earthkit.time.data" = ["*/*.yaml"]
+
+[tool.setuptools.packages.find]
+where = ["src"]