[build-system]
requires = ["setuptools>=75", "setuptools-scm>=8", "wheel"]
build-backend = "setuptools.build_meta"

[project]
name = "flash-sparse-attn"
dynamic = ["version"]
description = "Flash Sparse Attention: Fast and Memory-Efficient Trainable Sparse Attention"
readme = "README.md"
requires-python = ">=3.10"
license = { file = "LICENSE" }
authors = [
  { name = "Jingze Shi", email = "losercheems@gmail.com" },
]

classifiers = [
  "Programming Language :: Python :: 3",
  "License :: OSI Approved :: BSD License",
  "Operating System :: Unix"
]

dependencies = [
  "triton>=3.6.0",
]

[project.urls]
Homepage = "https://github.com/HKUSTDial/flash-sparse-attention"
Source = "https://github.com/HKUSTDial/flash-sparse-attention"
Issues = "https://github.com/HKUSTDial/flash-sparse-attention/issues"

[project.optional-dependencies]
cute = [
  "nvidia-cutlass-dsl>=4.6.2",
  "einops",
  "typing_extensions",
  "apache-tvm-ffi>=0.1.12,<0.2",
  "torch-c-dlpack-ext",
  "quack-kernels>=0.6.1"
]
dev = [
  "transformers>=4.38.0",
  "pytest>=6.0",
  "pytest-benchmark",
  "numpy",
  "tabulate>=0.9.0"
]
docs = [
  "mkdocs>=1.6",
  "mkdocs-material>=9.5",
  "mkdocstrings[python]>=0.28",
  "pymdown-extensions>=10.0"
]

[tool.setuptools.dynamic]
version = { attr = "flash_sparse_attn.__version__" }

[tool.setuptools.packages.find]
where = ["."]
include = ["flash_sparse_attn*"]
exclude = [
  "docs",
]

[tool.setuptools.package-data]
flash_sparse_attn = ["*.py"]

[tool.setuptools]

[[tool.uv.index]]
name = "pytorch-cu130"
url = "https://download.pytorch.org/whl/cu130"
explicit = true

[tool.uv.sources]
torch = [
    { index = "pytorch-cu130", marker = "extra == 'cu13'" },
]

[tool.ruff.lint]
select = ["E4", "E7", "E9", "F"]
ignore = [
    "E731",  # do not assign a lambda expression, use a def
    "E741",  # Do not use variables named 'I', 'O', or 'l'
    "F841",  # local variable is assigned to but never used
    "D102",  # Missing docstring in public methods
]