openclean.function.eval.list module

Base classes for value generating functions. Evaluation functions are applied to tuples (series) in a dataset (data frame). Functions are expected to return either a scalar value or a tuple of scalar values.

class openclean.function.eval.list.Get(columns, pos)

Bases: openclean.function.eval.base.Eval

Get value at a given index position from a list of values.

class openclean.function.eval.list.List(columns, positions)

Bases: openclean.function.eval.base.Eval

Extract list of values at a given index positions from an input list of values.