pyproject.toml

[build-system]
requires = ["hatchling"]
build-backend = "hatchling.build"

[project]
name = "us-sector-strategy"
version = "0.1.0"
description = "Predict Japan sector ETF open-to-close returns from US sector ETF prior-day returns"
requires-python = ">=3.9"
dependencies = [
    "yfinance>=0.2.18",
    "pandas>=2.1,<3",       # 2.1+ has py3.12 wheels; 2.0.x sdist fails on 3.12 (pkg_resources)
    "numpy>=1.24,<2.0",     # keep 1.x until stack is validated on numpy 2
    "scipy>=1.9,<1.12",
    "scikit-learn>=1.1,<1.4",
    "pyarrow>=10",           # parquet I/O
    "matplotlib>=3.7,<3.8",  # 3.8+ dropped Python 3.8
    "seaborn>=0.12",
    "jupyterlab>=3.5",
    "tqdm>=4.64",
    "python-dotenv>=0.21",
]

[project.optional-dependencies]
dev = [
    "pytest>=7",
    "pytest-cov>=4",
    "ruff>=0.3",
    "mypy>=1.5",
]

[tool.hatch.build.targets.wheel]
packages = ["src/us_sector_strategy"]

[tool.ruff]
line-length = 100
src = ["src"]

[tool.ruff.lint]
select = ["E", "F", "I"]

[tool.mypy]
python_version = "3.11"
strict = false
ignore_missing_imports = true

[tool.pytest.ini_options]
testpaths = ["tests"]