pyproject.toml

[build-system]
requires = ["maturin>=0.13,<0.14"]
build-backend = "maturin"

[project]
name = "polars"
dependencies = [
  "typing_extensions >= 4.0.0; python_version < '3.10'",
]
requires-python = ">=3.7"

[project.optional-dependencies]
# the Arrow memory format is stable between 4.0 and 5.0-SNAPSHOTS
# (which the Rust libraries use to take advantage of Rust API changes).
# NOTE: keep this list in sync with show_versions()
pyarrow = ["pyarrow>=4.0.0"]
pandas = ["pyarrow>=4.0.0", "pandas"]
numpy = ["numpy >= 1.16.0"]
fsspec = ["fsspec"]
connectorx = ["connectorx"]
xlsx2csv = ["xlsx2csv >= 0.8.0"]
timezone = ["backports.zoneinfo; python_version < '3.9'", "tzdata; platform_system == 'Windows'"]
matplotlib = ["matplotlib"]
all = [
  "polars[pyarrow,pandas,numpy,fsspec,connectorx,xlsx2csv,timezone,matplotlib]",
]

[tool.isort]
profile = "black"

[tool.mypy]
files = ["polars", "tests"]
namespace_packages = true
show_error_codes = true
strict = true
enable_error_code = [
  "redundant-expr",
  "truthy-bool",
  "ignore-without-code",
]

[[tool.mypy.overrides]]
module = ["backports", "pyarrow.*", "polars.polars", "matplotlib.*", "fsspec.*", "connectorx", "IPython.*", "zoneinfo"]
ignore_missing_imports = true

[[tool.mypy.overrides]]
module = ["polars.*"]
# We exclude the polars module from warn_return_any, because the PyO3 api does not have Python
# type annotations. See https://github.com/PyO3/pyo3/issues/1112 for a discussion on adding
# this capability. We could add a stub file for polars.polars (the PyO3 api), but that
# amounts to duplicating almost all type annotations on our api, as the Python api itself is a
# thin wrapper around the PyO3 api to start with.
warn_return_any = false

[tool.pytest.ini_options]
addopts = [
  "--import-mode=importlib",
]

[tool.coverage.run]
source = ["polars"]
branch = true

[tool.coverage.report]
fail_under = 85
skip_covered = true
show_missing = true
exclude_lines = [
  "pragma: no cover",
  "@overload",
  "except ImportError",
  "if TYPE_CHECKING:",
  "from typing_extensions import ",
]

[tool.ruff]
line-length = 88