refactor: use linters in the env, fix mypy warns, improve makefiles

.github/workflows/test.yml

@@ -41,21 +41,9 @@ jobs:
         distribution: 'temurin'
         java-version: '26'
 
-    - name: Install dependencies
-      run: |
-        uv sync --group tests --frozen
-
-    - name: Verify installed packages
-      run: |
-        uv pip list
-
-    - name: Import language_tool_python
-      run: |
-        printf "import language_tool_python\n" | uv run python
-
     - name: Test with pytest
       run: |
-        uv run pytest
+        make test
 
   lint:
     timeout-minutes: 10
@@ -71,8 +59,7 @@ jobs:
       # Keep in sync ruff version with .pre-commit-config.yaml
       - name: Run Ruff Linter
         run: |
-          uvx ruff@0.15.12 check .
-          uvx ruff@0.15.12 format --check .
+          make ruff-check
 
   type_check:
     timeout-minutes: 10
@@ -84,12 +71,8 @@ jobs:
 
       - name: Install uv
         uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # 8.1.0
-
-      - name: Install dependencies
-        run: |
-          uv sync --group types --frozen
 
       # Keep in sync mypy version with .pre-commit-config.yaml
       - name: Run Mypy Type Checker
         run: | 
-          uvx mypy@2.0.0
+          make mypy-check

.pre-commit-config.yaml

@@ -1,7 +1,7 @@
 repos:
   # Ruff for linting and formatting
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.12 # Keep in sync with GitHub Actions workflow
+    rev: v0.15.12 # Keep in sync ruff version with pyproject.toml
     hooks:
       # Run the linter
       - id: ruff
@@ -11,7 +11,7 @@ repos:
 
   # mypy for type checking
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v2.0.0 # Keep in sync with GitHub Actions workflow
+    rev: v2.0.0 # Keep in sync mypy version with pyproject.toml
     hooks:
       - id: mypy
         args: [--config-file=pyproject.toml]

CONTRIBUTING.md

@@ -20,7 +20,7 @@ If you want to contribute, you first need to fork the repo (and preferably creat
 
 To start developing, you can install all the necessary packages in your python environment with this command (optional dependencies will be installed):
 ```shell
-uv sync --group tests --group docs --group types
+make install
 ```
 
 When pushing commits, please use the project naming conventions, which are available in [this guide](https://www.conventionalcommits.org/en/v1.0.0/).
@@ -30,17 +30,14 @@ The documentation style used in the project is **ReStructuredText**. Please, if
 
 Before creating your pull request, when you have made all your commits, you need to run this:
 ```shell
-# Run linters (maybe you will have to fix some issues)
-uvx ruff@0.15.12 check language_tool_python tests
+# Format your code
+make format
 
-# Format code
-uvx ruff@0.15.12 format language_tool_python tests
+# Run linters, check code formatting and types (maybe you will have to fix some issues)
+make check
 
-# Check types
-uvx mypy@2.0.0
-
-# Tests
-pytest
+# Run tests (if you have added or modified some, make sure they are passing)
+make test
 ```
 
 Please do not manually bump the version number in [pyproject.toml](./pyproject.toml), this will be handled by the maintainers during release.

Makefile

@@ -1,23 +1,48 @@
-.PHONY: default check test doc publish
+.PHONY: default install format fix ruff-check mypy-check check test doc publish
+
+UV := $(shell command -v uv 2>/dev/null || true)
+ifeq ($(UV),)
+$(warning uv not found. Install uv (curl -LsSf https://astral.sh/uv/install.sh | sh) to use Makefile targets)
+endif
 
 default:
-	@echo "Usage: make [check|test|doc|publish]"
+	@echo "Usage: make [install|format|fix|ruff-check|mypy-check|check|test|doc|publish]"
 	@exit 1
 
+install:
+	uv sync --all-groups --locked
+
+format:
+	uv run --group quality --locked ruff format language_tool_python tests
+
+fix:
+	uv run --group quality --locked ruff check --fix language_tool_python tests
+
+ruff-check:
+	uv run --group quality --locked ruff check language_tool_python tests
+	uv run --group quality --locked ruff format --check language_tool_python tests
+
+mypy-check:
+	@if uv run --locked python -c 'import sys; raise SystemExit(0 if sys.version_info >= (3, 10) else 1)'; then \
+		uv run --group tests --group types --group quality --locked mypy; \
+	else \
+		echo "Skipping mypy: Python 3.10 or newer is required."; \
+	fi
+
 check:
-	uvx ruff@0.15.12 check language_tool_python tests
-	uvx ruff@0.15.12 format --check language_tool_python tests
-	uvx mypy@2.0.0
+	make ruff-check
+	make mypy-check
 
 test:
-	pytest
+	uv run --group tests --locked pytest
 	uvx --with defusedxml genbadge coverage --input-file coverage.xml --silent
+
 doc:
-	source ./.venv/bin/activate && uv run sphinx-apidoc -o docs/source/references language_tool_python
-	source ./.venv/bin/activate && cd ./docs && make html
+	uv run --group docs --locked sphinx-apidoc -o docs/source/references language_tool_python
+	uv run --group docs --locked sphinx-build -M html docs/source docs/build
 
 publish:
-	rm -rf dist/ language_tool_python.egg-info/
+	rm -rf dist/
 	uv build
 	uvx twine check dist/*
 	uv publish

README.md

@@ -388,15 +388,16 @@ Main exceptions in `language_tool_python.exceptions`:
 
 ```bash
 # Install dev dependencies
-uv sync --group tests --group docs --group types
+make install
+
+# Format code
+make format
 
 # Lint / format / types
-uvx ruff@0.15.12 check .
-uvx ruff@0.15.12 format .
-uvx mypy@2.0.0
+make check
 
 # Tests
-pytest
+make test
 ```
 
 ## License

docs/requirements.txt

@@ -2,47 +2,112 @@
 #    uv export --format requirements-txt --no-hashes --group docs -o docs/requirements.txt
 -e .
 accessible-pygments==0.0.5
+    # via furo
 alabaster==0.7.16 ; python_full_version < '3.10'
+    # via sphinx
 alabaster==1.0.0 ; python_full_version >= '3.10'
+    # via sphinx
 babel==2.18.0
+    # via sphinx
 beautifulsoup4==4.14.3
+    # via furo
 certifi==2026.4.22
+    # via requests
 charset-normalizer==3.4.7
+    # via requests
 colorama==0.4.6 ; sys_platform == 'win32'
+    # via
+    #   sphinx
+    #   tqdm
 docutils==0.21.2 ; python_full_version < '3.11'
+    # via sphinx
 docutils==0.22.4 ; python_full_version >= '3.11'
+    # via sphinx
 furo==2025.12.19
-idna==3.13
+idna==3.15
+    # via requests
 imagesize==1.5.0 ; python_full_version < '3.10'
+    # via sphinx
 imagesize==2.0.0 ; python_full_version >= '3.10'
+    # via sphinx
 importlib-metadata==8.7.1 ; python_full_version < '3.10'
+    # via sphinx
 jinja2==3.1.6
+    # via sphinx
 markupsafe==3.0.3
+    # via jinja2
 packaging==26.2
+    # via
+    #   language-tool-python
+    #   sphinx
 psutil==7.2.2
+    # via language-tool-python
 pygments==2.20.0
+    # via
+    #   accessible-pygments
+    #   furo
+    #   sphinx
 requests==2.32.5 ; python_full_version < '3.10'
-requests==2.33.1 ; python_full_version >= '3.10'
+    # via
+    #   language-tool-python
+    #   sphinx
+requests==2.34.2 ; python_full_version >= '3.10'
+    # via
+    #   language-tool-python
+    #   sphinx
 roman-numerals==4.1.0 ; python_full_version >= '3.11'
+    # via sphinx
 snowballstemmer==3.0.1
+    # via sphinx
 soupsieve==2.8.3
+    # via beautifulsoup4
 sphinx==7.4.7 ; python_full_version < '3.10'
+    # via
+    #   furo
+    #   sphinx-basic-ng
+    #   sphinx-design
 sphinx==8.1.3 ; python_full_version == '3.10.*'
+    # via
+    #   furo
+    #   sphinx-basic-ng
+    #   sphinx-design
 sphinx==9.0.4 ; python_full_version == '3.11.*'
+    # via
+    #   furo
+    #   sphinx-basic-ng
+    #   sphinx-design
 sphinx==9.1.0 ; python_full_version >= '3.12'
+    # via
+    #   furo
+    #   sphinx-basic-ng
+    #   sphinx-design
 sphinx-basic-ng==1.0.0b2
+    # via furo
 sphinx-design==0.6.1 ; python_full_version < '3.11'
 sphinx-design==0.7.0 ; python_full_version >= '3.11'
 sphinxcontrib-applehelp==2.0.0
+    # via sphinx
 sphinxcontrib-devhelp==2.0.0
+    # via sphinx
 sphinxcontrib-htmlhelp==2.1.0
+    # via sphinx
 sphinxcontrib-jsmath==1.0.1
+    # via sphinx
 sphinxcontrib-qthelp==2.0.0
+    # via sphinx
 sphinxcontrib-serializinghtml==2.0.0
+    # via sphinx
 toml==0.10.2
+    # via language-tool-python
 tomli==2.4.1 ; python_full_version < '3.11'
+    # via sphinx
 tqdm==4.67.3
+    # via language-tool-python
 typing-extensions==4.15.0
+    # via beautifulsoup4
 urllib3==2.6.3 ; python_full_version < '3.10'
+    # via requests
 urllib3==2.7.0 ; python_full_version >= '3.10'
+    # via requests
 zipp==3.23.1 ; python_full_version < '3.10'
+    # via importlib-metadata

language_tool_python/_deprecated.py

@@ -8,15 +8,15 @@
 """
 
 try:
-    from warnings import deprecated  # type: ignore [attr-defined]
+    from warnings import deprecated  # type: ignore [attr-defined, unused-ignore]
 except ImportError:
     import functools
     from typing import Any, Callable, Optional, Type, TypeVar, cast
     from warnings import warn
 
     F = TypeVar("F", bound=Callable[..., Any])
 
-    def deprecated(
+    def deprecated(  # type: ignore [no-redef, unused-ignore]
         message: str,
         /,
         *,

language_tool_python/download_lt.py

@@ -242,7 +242,7 @@ def confirm_java_compatibility(
 @deprecated(
     "This function is no longer used internally and will be removed in 4.0.",
     stacklevel=2,
-)  # type: ignore
+)  # type: ignore[untyped-decorator, unused-ignore]
 def get_common_prefix(z: zipfile.ZipFile) -> Optional[str]:
     """
     Determine the common prefix of all file names in a zip archive.
@@ -265,7 +265,7 @@ def get_common_prefix(z: zipfile.ZipFile) -> Optional[str]:
 @deprecated(
     "This function is no longer used internally and will be removed in 4.0.",
     stacklevel=2,
-)  # type: ignore
+)  # type: ignore[untyped-decorator, unused-ignore]
 def http_get(
     url: str,
     out_file: IO[bytes],
@@ -287,14 +287,14 @@ def http_get(
         # Fallback to default behavior if the extracted version is not supported
         local_lt = LocalLanguageTool.from_version_name(LTP_DOWNLOAD_VERSION)
 
-    with local_lt._get_remote_zip(out_file, proxies=proxies):  #  type: ignore
+    with local_lt._get_remote_zip(out_file, proxies=proxies):
         pass
 
 
 @deprecated(
     "This function is no longer used internally and will be removed in 4.0.",
     stacklevel=2,
-)  # type: ignore
+)  # type: ignore[untyped-decorator, unused-ignore]
 def unzip_file(temp_file_name: str, directory_to_extract_to: Path) -> None:
     """
     Unzips a zip file to a specified directory.
@@ -323,7 +323,7 @@ def unzip_file(temp_file_name: str, directory_to_extract_to: Path) -> None:
 @deprecated(
     "This function is no longer used internally and will be removed in 4.0.",
     stacklevel=2,
-)  # type: ignore
+)  # type: ignore[untyped-decorator, unused-ignore]
 def download_zip(url: str, directory: Path) -> None:
     """
     Downloads a ZIP file from the given URL and extracts it to the specified directory.
@@ -339,18 +339,18 @@ def download_zip(url: str, directory: Path) -> None:
     logger.info("Downloading from %s to %s", url, directory)
     # Download file using a context manager.
     with tempfile.NamedTemporaryFile(suffix=".zip", delete=False) as downloaded_file:
-        http_get(url, downloaded_file)  # type: ignore
+        http_get(url, downloaded_file)
         temp_name = downloaded_file.name
     # Extract zip file to path.
-    unzip_file(temp_name, directory)  # type: ignore
+    unzip_file(temp_name, directory)
     # Remove the temporary file.
     Path(temp_name).unlink(missing_ok=True)
 
 
 @deprecated(
     "This function is no longer used internally and will be removed in 4.0.\nUse instead language_tool_python.download_lt.LocalLanguageTool.download.",
     stacklevel=2,
-)  # type: ignore
+)  # type: ignore[untyped-decorator, unused-ignore]
 def download_lt(language_tool_version: str = LTP_DOWNLOAD_VERSION) -> None:
     """
     Downloads and extracts the specified version of LanguageTool.
@@ -731,7 +731,11 @@ def __lt__(self, other: object) -> bool:
         # At this point, both objects are the same type, so version_into will be the same type
         self_version = self.version_into
         other_version = other.version_into
-        return self_version < other_version  # type: ignore
+        if isinstance(self_version, Version) and isinstance(other_version, Version):
+            return self_version < other_version
+        if isinstance(self_version, datetime) and isinstance(other_version, datetime):
+            return self_version < other_version
+        return NotImplemented
 
 
 class ReleaseLocalLanguageTool(LocalLanguageTool):