Python API¶

Top-Level¶

`Workspace`	Workspace for managing HS3 model specifications.
`Model`	Probabilistic model with compiled tensor operations.

Modules¶

`distributions`	HS3 Distribution implementations.
`functions`	HS3 Functions implementation.
`generic_parse`
`exceptions`	Exception classes for pyhs3.

Functions¶

`Function`	Base class for HS3 functions.
`ProductFunction`	Product function that multiplies factors together.
`GenericFunction`	Generic function with custom mathematical expression.
`InterpolationFunction`	Piecewise interpolation function implementation.

Distributions¶

`Distribution`	Base class for probability distributions in HS3.
`GaussianDist`	Gaussian (normal) probability distribution.
`MixtureDist`	Mixture of probability distributions.
`ProductDist`	Product distribution implementation.
`CrystalBallDist`	Crystal Ball distribution implementation.
`GenericDist`	Generic distribution implementation.

Parsing¶

`parse_expression`	Parse a mathematical expression string into a SymPy expression.
`sympy_to_pytensor`	Converts a SymPy expression into a PyTensor computational graph using lambdify.
`analyze_sympy_expr`	Analyzes a SymPy expression and logs its independent variables, dependent variables, and structure for debugging.

Exceptions¶

`HS3Exception`	Base exception class for all pyhs3-related errors.
`ExpressionParseError`	Exception raised when a mathematical expression cannot be parsed.
`ExpressionEvaluationError`	Exception raised when a parsed expression cannot be evaluated.
`UnknownInterpolationCodeError`	Exception raised when an unknown interpolation code is used.