pyproject.toml

[build-system]
requires = ["setuptools", "setuptools-scm"]
build-backend = "setuptools.build_meta"

[project]
name = "flax"
requires-python = ">=3.10"
description = "Flax: A neural network library for JAX designed for flexibility"
keywords = []
authors = [
    {name = "Flax team", email = "flax-dev@google.com"},
]
dependencies = [
    "numpy>=1.23.2; python_version>='3.11'",
    "numpy>=1.26.0; python_version>='3.12'",
    # keep in sync with jax-version in .github/workflows/build.yml
    "jax>=0.4.27",
    "msgpack",
    "optax",
    "orbax-checkpoint",
    "tensorstore",
    "rich>=11.1",
    "typing_extensions>=4.2",
    "PyYAML>=5.4.1",
]
classifiers = [
    "Development Status :: 3 - Alpha",
    "Intended Audience :: Developers",
    "Intended Audience :: Science/Research",
    "License :: OSI Approved :: Apache Software License",
    "Programming Language :: Python :: 3.9",
    "Programming Language :: Python :: 3.10",
    "Programming Language :: Python :: 3.11",
    "Topic :: Scientific/Engineering :: Artificial Intelligence",
]
dynamic = ["version", "readme"]

[project.optional-dependencies]
all = [
    "matplotlib",  # only needed for tensorboard export
]
testing = [
    "clu",
    "clu<=0.0.9; python_version<'3.10'",
    "einops",
    "gymnasium[atari, accept-rom-license]",
    "jaxlib",
    "jaxtyping",
    "jraph>=0.0.6dev0",
    "ml-collections",
    "mypy",
    "opencv-python",
    "pytest",
    "pytest-cov",
    "pytest-custom_exit_code",
    "pytest-xdist",
    "pytype",
    # WMT/LM1B examples
    "sentencepiece",
    "tensorflow_text>=2.11.0; platform_system!='Darwin'",
    "tensorflow_datasets",
    "tensorflow>=2.12.0", # to fix Numpy np.bool8 deprecation error
    "torch",
    "treescope>=0.1.1; python_version>='3.10'",
    "cloudpickle>=3.0.0",
]
docs = [
    "sphinx>=3.3.1",
    "sphinx-book-theme",
    "Pygments>=2.6.1",
    "ipykernel",
    "myst_nb",
    "nbstripout",
    "recommonmark",
    "ipython_genutils",
    "sphinx-design",
    "jupytext==1.13.8",
    "dm-haiku",
    # Need to pin docutils to 0.16 to make bulleted lists appear correctly on
    # ReadTheDocs: https://stackoverflow.com/a/68008428
    "docutils==0.16",
    # The next packages are for notebooks.
    "matplotlib",
    "scikit-learn",
    # The next packages are used in testcode blocks.
    "ml_collections",
    # notebooks
    "einops",
    "kagglehub>=0.3.3",
    "ipywidgets>=8.1.5",
]
dev = [
    "pre-commit>=3.8.0",
]

[project.urls]
homepage = "https://github.com/google/flax"

[tool.setuptools.dynamic]
readme = {file = ["README.md"], content-type = "text/markdown"}
version = {attr = "flax.version.__version__"}

[tool.setuptools.packages.find]
include = ["flax*"]

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

[tool.yapf]
based_on_style = "yapf"

[tool.pytype]
# TODO(levskaya): figure out why we get pyi-error from flax's root __init__.py
# could be a pytype bug.
disable = "pyi-error"

[tool.mypy]
show_error_codes = true
no_implicit_optional = true
disable_error_code = "attr-defined"

[[tool.mypy.overrides]]
module = [
    "tensorflow.*",
    "tensorboard.*",
    "absl.*",
    "jax.*",
    "rich.*",
    "flax.*",
    "jaxlib.cuda.*",
    "jaxlib.cpu.*",
    "msgpack",
    "numpy.*",
    "optax.*",
    "orbax.*",
    "opt_einsum.*",
    "scipy.*",
    "libtpu.*",
    "jaxlib.mlir.*",
    "yaml",
]
ignore_missing_imports = true
disable_error_code = "annotation-unchecked"
# exclude nnx examples
[[tool.mypy.overrides]]
module = "flax.nnx.examples.*"
ignore_errors = true

[tool.pytest.ini_options]
filterwarnings = [
    # By default error out on any warnings.
    "error",
    # Jax warning when no gpu/tpu found.
	"ignore:No GPU/TPU found, falling back to CPU.*:UserWarning",
    # traverse_util.Traversal will be removed soon.
    "ignore:`flax.traverse_util.Traversal` will be deprecated.*:DeprecationWarning",
    # Deprecated legacy checkpoint - just want to keep the tests running for a while
    "ignore:Flax Checkpointing will soon be deprecated in favor of Orbax.*:DeprecationWarning",
    # DeprecationWarning: The inputs_kv arg will be deprecated soon. Use inputs_k and inputs_v instead.
    "ignore:.*The inputs_kv arg will be deprecated soon. Use inputs_k and inputs_v instead.*:DeprecationWarning",
    # DeprecationWarning: the function signature of MultiHeadDotProductAttention's `__call__` method has changed
    "ignore:.*the function signature of MultiHeadDotProductAttention's `__call__` method has changed.*:DeprecationWarning",
    # DeprecationWarning: ml_dtypes.float8_e4m3b11 is deprecated.
    "ignore:.*ml_dtypes.float8_e4m3b11 is deprecated.*:DeprecationWarning",
    # DeprecationWarning: jax.config.define_bool_state is deprecated. Please use other libraries for configuration instead.
    "ignore:.*jax.config.define_bool_state is deprecated.:DeprecationWarning",
    # pytest-cov uses a deprecated feature of pytest-xdist. (2023-11-06)
    "ignore:The --rsyncdir command line argument and rsyncdirs config variable are deprecated.:DeprecationWarning",
    # DeprecationWarning: jax.random.KeyArray is deprecated.
    "ignore:.*jax.random.KeyArray is deprecated.*:DeprecationWarning",
    # DeprecationWarning: jax.core.Shape is deprecated.
    "ignore:.*jax.core.Shape is deprecated.*:DeprecationWarning",
    # DeprecationWarning: pkg_resources is deprecated as an API.
    "ignore:.*pkg_resources is deprecated as an API.*:DeprecationWarning",
    # DeprecationWarning: Deprecated call to `pkg_resources.declare_namespace('google')`.
    "ignore:.*Deprecated call to.*pkg_resources.declare_namespace.*:DeprecationWarning",
    # jax.xla_computation is deprecated but TF still uses it.
    "ignore:.*jax.xla_computation is deprecated.*:DeprecationWarning",
    # Orbax warnings inside deprecated `flax.training` package.
    "ignore:.*Couldn't find sharding info under RestoreArgs.*:UserWarning",
    # RuntimeWarning: invalid value encountered in cast
    "ignore:.*invalid value encountered in cast.*:RuntimeWarning",
    # RuntimeWarning: divide by zero encountered in equal/not_equal
    "ignore:.*divide by zero encountered in.*:RuntimeWarning",
    # DeprecationWarning: numpy.core is deprecated
    "ignore:.*numpy.core is deprecated.*:DeprecationWarning",
]

[tool.coverage.report]
exclude_lines = [
    "@abc.abstractmethod",
    "raise NotImplementedError",
]

[tool.pyink]
pyink-indentation = 2
pyink-use-majority-quotes = true
line-length = 80
preview = true

[tool.ruff]
# Exclude a variety of commonly ignored directories.
exclude = [
  "__init__.py",
  "activation.py",
  "partitioning.py",
  "flax/core/variables.py",
  "examples/",
]

line-length = 80
indent-width = 2

[tool.ruff.lint]
# Enable Pyflakes (`F`) and a subset of the pycodestyle (`E`)  codes by default.
select = ["F401"]
ignore = []
# Allow fix for all enabled rules (when `--fix`) is provided.
# Full list of rules: https://docs.astral.sh/ruff/rules/
fixable = ["ALL"]
unfixable = []

[tool.ruff.format]
indent-style = "space"
quote-style = "single"


[tool.uv]
# Ignore uv.lock and always upgrade the package to the latest
upgrade-package = ["jax", "jaxlib", "orbax-checkpoint"]