Modernize Python package management to use pyproject.toml and uv

.flake8

@@ -0,0 +1,8 @@
+[flake8]
+# E124: closing bracket does not match visual indentation
+# E126: over-indentation
+# E501: line too long
+# BLK100: black formattable
+ignore = E124,E126,E501,BLK100
+indent-size = 2
+exclude = .venv,build,dist

budoux/main.py

@@ -20,16 +20,19 @@
 import sys
 import textwrap
 import typing
-from pathlib import Path
-
-# TODO: replace with importlib.resources when py3.8 support is dropped.
-import importlib_resources
+from importlib import resources
 
 import budoux
 
 ArgList = typing.Optional[typing.List[str]]
-models: Path = importlib_resources.files('budoux') / "models"
-langs = dict((model.stem, model) for model in models.glob("*.json"))
+# Using typing.Any for resource related objects to avoid complex conditional
+# imports for Traversable which varies across Python versions.
+models: typing.Any = resources.files('budoux') / "models"
+langs: typing.Dict[str, typing.Any] = {
+    model.name[:-5]: model
+    for model in models.iterdir()
+    if model.name.endswith(".json")
+}
 
 
 class BudouxHelpFormatter(argparse.ArgumentDefaultsHelpFormatter,
@@ -55,7 +58,7 @@ def check_file(path: str) -> str:
     raise argparse.ArgumentTypeError(f"'{path}' is not found.")
 
 
-def check_lang(lang: str) -> Path:
+def check_lang(lang: str) -> typing.Any:
   """Check if given language exists or not.
 
   Args:
@@ -153,6 +156,7 @@ def parse_args(test: ArgList = None) -> argparse.Namespace:
 def _main(test: ArgList = None) -> str:
   args = parse_args(test=test)
   model_path = args.lang or args.model
+  # Using open() directly assuming model_path is a path-like object.
   with open(model_path, 'r', encoding='utf-8') as f:
     model = json.load(f)
 

pyproject.toml

@@ -1,3 +1,81 @@
 [build-system]
-requires = ["wheel", "setuptools"]
+requires = ["setuptools>=61.0"]
 build-backend = "setuptools.build_meta"
+
+[project]
+name = "budoux"
+dynamic = ["version"]
+description = "BudouX is the successor of Budou"
+readme = "README.md"
+license = {text = "Apache-2.0"}
+authors = [
+    {name = "Shuhei Iitsuka", email = "tushuhei@google.com"},
+]
+classifiers = [
+    "Development Status :: 3 - Alpha",
+    "Operating System :: OS Independent",
+    "License :: OSI Approved :: Apache Software License",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+]
+requires-python = ">=3.10"
+dependencies = []
+
+[project.optional-dependencies]
+jaxcpu = [
+    "jax>=0.9.0",
+]
+dev = [
+    "build",
+    "flake8",
+    "isort",
+    "mypy>=1.0.0",
+    "pytest",
+    "regex",
+    "toml",
+    "twine",
+    "types-regex",
+    "types-setuptools",
+    "yapf",
+]
+
+[project.scripts]
+budoux = "budoux.main:main"
+
+[tool.setuptools.dynamic]
+version = {attr = "budoux.__init__.__version__"}
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["budoux*"]
+
+[tool.setuptools.package-data]
+budoux = ["models/*.json", "skip_nodes.json", "py.typed"]
+
+[dependency-groups]
+dev = [
+    "build",
+    "flake8",
+    "isort",
+    "mypy>=1.0.0",
+    "pytest",
+    "regex",
+    "toml",
+    "twine",
+    "types-regex",
+    "types-setuptools",
+    "yapf",
+    "jax>=0.9.0",
+]
+
+[tool.yapf]
+based_on_style = "yapf"
+
+
+[tool.mypy]
+python_version = "3.10"
+pretty = true
+strict = true
+allow_untyped_calls = true