[hytop] Use uv and hatch, add pre-commit

.pre-commit-config.yaml

+repos:
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.15.0
+    hooks:
+      - id: ruff
+        args: [ --fix ]
+      - id: ruff-format

projects/hytop/Makefile

+.PHONY: help setup format lint test clean bump
+
+help:
+	@echo "Available targets:"
+	@echo "  make setup           - Create venv, install all dependencies, and set up git hooks"
+	@echo "  make format          - Auto-fix and format code (ruff)"
+	@echo "  make lint            - Check code style and errors without modifying files (ruff)"
+	@echo "  make test            - Run all unit tests (pytest)"
+	@echo "  make clean           - Remove build caches and the virtual environment"
+	@echo "  make bump part=X     - Bump version (patch/minor/major or X.Y.Z)"
+
+setup:
+	@echo ">> Initializing virtual environment and installing dependencies..."
+	uv sync --group dev
+	@echo ">> Installing pre-commit git hooks..."
+	uvx pre-commit install
+
+format:
+	uv run ruff check --fix src/ tests/
+	uv run ruff format src/ tests/
+
+lint:
+	uv run ruff check src/ tests/
+	uv run ruff format --check src/ tests/
+
+test:
+	uv run pytest -v
+
+clean:
+	rm -rf .pytest_cache .ruff_cache .venv
+	find src tests -type f -name "*.pyc" -delete
+	find src tests -type d -name "__pycache__" -delete
+
+bump:
+	uv run hytop-bump $(part)

projects/hytop/README.md

@@ -2,10 +2,17 @@
 
 ## Quick start
 
+Use `uv` to run hytop:
+
 ```bash
-uv pip install -e .
+uv run hytop --help
+```
+
+Run hytop directly:
+
+```bash
+source .venv/Scripts/activate
 hytop --help
-hytop gpu --help
 ```
 
 ## Prerequisites
@@ -94,20 +101,29 @@ If no `--show*` flags are specified, hytop defaults to:
 
 ## Development
 
-### Version bump
+Clone the repo and run `make setup` to create the virtual environment, install all dependencies (including dev), and configure pre-commit hooks:
 
-Version is sourced from `src/hytop/__init__.py` (`__version__`).
+```bash
+make setup
+```
+
+Common development commands:
 
 ```bash
-# patch: 0.1.0 -> 0.1.1
-python scripts/bump_version.py patch
+make format     # Auto-fix and format code (ruff)
+make lint       # Check code style and errors without modifying files
+make test       # Run all unit tests (pytest)
+make bump part=patch  # Bump version (patch/minor/major or X.Y.Z)
+make clean      # Remove build caches and the virtual environment
+```
 
-# minor: 0.1.1 -> 0.2.0
-python scripts/bump_version.py minor
+### Version bump
 
-# major: 0.2.0 -> 1.0.0
-python scripts/bump_version.py major
+Version is sourced from `src/hytop/__init__.py` (`__version__`).
 
-# set an explicit version
-python scripts/bump_version.py set 1.2.3
+```bash
+make bump part=patch          # 0.1.0 -> 0.1.1
+make bump part=minor          # 0.1.1 -> 0.2.0
+make bump part=major          # 0.2.0 -> 1.0.0
+make bump part="set 1.2.3"   # set an explicit version
 ```

projects/hytop/pyproject.toml

 [build-system]
-requires = ["setuptools>=68", "wheel"]
-build-backend = "setuptools.build_meta"
+requires = ["hatchling"]
+build-backend = "hatchling.build"
 
 [project]
 name = "hytop"
@@ -12,18 +12,16 @@ dependencies = ["rich>=13", "typer>=0.12"]
 
 [project.scripts]
 hytop = "hytop.main:main"
+hytop-bump = "hytop._bump:main"
 
-[project.optional-dependencies]
-dev = ["pytest>=8", "ruff>=0.11"]
+[dependency-groups]
+dev = ["pytest>=8", "ruff>=0.15"]
 
-[tool.setuptools]
-package-dir = { "" = "src" }
+[tool.hatch.version]
+path = "src/hytop/__init__.py"
 
-[tool.setuptools.packages.find]
-where = ["src"]
-
-[tool.setuptools.dynamic]
-version = { attr = "hytop.__version__" }
+[tool.hatch.build.targets.wheel]
+packages = ["src/hytop"]
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]

projects/hytop/scripts/bump_version.py → projects/hytop/src/hytop/_bump.py

@@ -6,13 +6,11 @@ import re
 import sys
 from pathlib import Path
 
-VERSION_PATTERN = re.compile(r'^(\s*__version__\s*=\s*")(\d+)\.(\d+)\.(\d+)(".*)$')
+VERSION_PATTERN = re.compile(r'^(\s*__version__\s*=\s*")(\d+)\.(\d+)\.(\d+)(".*)\s*$')
 
 
 def parse_args() -> argparse.Namespace:
-    parser = argparse.ArgumentParser(
-        description="Bump hytop version in src/hytop/__init__.py"
-    )
+    parser = argparse.ArgumentParser(description="Bump hytop version in src/hytop/__init__.py")
     parser.add_argument(
         "action",
         choices=["patch", "minor", "major", "set"],
@@ -53,7 +51,13 @@ def bump_version(current: tuple[int, int, int], action: str) -> tuple[int, int,
 def main() -> int:
     args = parse_args()
 
-    root = Path(__file__).resolve().parents[1]
+    # Find the project root by walking up from cwd until src/hytop/__init__.py is found
+    root = Path.cwd()
+    for candidate in [root, *root.parents]:
+        if (candidate / "src" / "hytop" / "__init__.py").exists():
+            root = candidate
+            break
+
     init_file = root / "src" / "hytop" / "__init__.py"
     if not init_file.exists():
         print(f"Cannot find version file: {init_file}", file=sys.stderr)