pyproject.toml

[tool.pytest.ini_options]
# Don't run the tests marked as slow by default.
addopts = "-m 'not slow'"

# Only run tests under the sympy/ directory. Otherwise pytest will attempt to
# collect tests from e.g. the bin/ directory as well.
testpaths = [
    "sympy",
    "doc/src",
]

# Normalise output of doctests.
doctest_optionflags = [
    "NORMALIZE_WHITESPACE",
    "IGNORE_EXCEPTION_DETAIL",
    "ELLIPSIS",
    "FLOAT_CMP",
]

norecursedirs = [
    "sympy/parsing/autolev/test-examples",
]

markers = [
    "nocache_fail",
]

[tool.ruff]
# Enable Pyflakes `E` and `F` codes by default.
select = [
    "C40",
    "C419",
    "E",
    "F",
    "PIE810",
    "SIM101",
]

# Ignore rules that currently fail on the SymPy codebase
ignore = [
    "E401",  # Multiple imports on one line
    "E402",  # Module level import not at top of file
    "E501",  # Line too long (<LENGTH> > 88 characters)
    "E701",  # Multiple statements on one line (colon)
    "E702",  # Multiple statements on one line (semicolon)
    "E703",  # Statement ends with an unnecessary semicolon
    "E711",  # Comparison to `None` should be `cond is not None`
    "E712",  # Comparison to `<BOOL>` should be `cond is <BOOL>`
    "E713",  # Test for membership should be `not in`
    "E714",  # Test for object identity should be `is not`
    "E721",  # Do not compare types, use `isinstance()`
    "E722",  # Do not use bare `except`
    "E731",  # Do not assign a `lambda` expression, use a `def`
    "E741",  # Ambiguous variable name: `<VARIABLE>`
    "E743",  # Ambiguous function name: `<FUNCTION>`
    "F401",  # `<TYPE>` imported but unused
    "F403",  # `from <MODULE> import *` used; unable to detect undefined names
    "F405",  # `<TYPE>` may be undefined, or defined from star imports: `<MODULE>`
    "F523",  # `.format` call has unused arguments at position(s): <INDEX>
    "F601",  # Dictionary key literal `'<KEY>'` repeated
    "F811",  # Redefinition of unused `<VARIABLE>` from line <LINE>
    "F821",  # Undefined name `VARIABLE`
    "F823",  # Local variable `VARIABLE` referenced before assignment
    "F841",  # Local variable `VARIABLE` is assigned to but never used
]

# Exclude paths currently excluded in the flake8 configuration
exclude = [
    "sympy/assumptions/*generated.py",
    "sympy/core/*_generated.py",
    "sympy/parsing/latex/_antlr/*",
    "sympy/parsing/autolev/_antlr/*",
    "sympy/parsing/autolev/test-examples/*",
    "sympy/integrals/rubi/*",
]

# Black default, although irrelevant with E501 ignored
line-length = 88

# Allow unused variables when underscore-prefixed.
dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"

# Per-file ignores currently specified in the flake8 configuration
[tool.ruff.per-file-ignores]
"sympy/interactive/session.py" = ["F821"]

# Global mypy settings:
[tool.mypy]
warn_unused_configs = true
exclude = [
    "sympy/parsing/autolev/test-examples",
]

# Per module settings:
[[tool.mypy.overrides]]
module = [
    "sympy.parsing.latex._antlr.*",
    "sympy.parsing.autolev._antlr.*",
    "sympy.benchmarks.*",
    "sympy.plotting.pygletplot.*",
]
ignore_errors = true

# Third-party untyped code:
[[tool.mypy.overrides]]
module = [
    "antlr4.*",
    "Cython.*",
    "flint.*",
    "gmpy.*",
    "gmpy2.*",
    "IPython.*",
    "lxml.*",
    "matchpy.*",
    "matplotlib.*",
    "mpmath.*",
    "numpy.*",
    "PIL.*",
    "pycosat.*",
    "pyglet.*",
    "pymc.*",
    "pymc3.*",
    "python-sat.*",
    "pytest.*",
    "_pytest.*",
    "sage.*",
    "scipy.*",
    "symengine.*",
    "aesara.*",
    "xml.*",
    "pydy.*",
    "theano.*",
    "multiset.*",
    "pysat.*",
]
ignore_missing_imports = true