openclean.util.core module

Collection of helper functions for various purpoeses.

openclean.util.core.always_false(*args)

Predicate that always evaluates to False.

class openclean.util.core.eval_all(predicates, truth_value=True)

Bases: object

Logic operator that evaluates a list of predicates and returns True only if all predicates return a defined result value.

openclean.util.core.is_list_or_tuple(value)

Test if a given value is a list or tuple that can be converted into multiple arguments.

Parameters: value (any) – Any object that is tested for being a list or tuple.
Return type: bool

openclean.util.core.scalar_pass_through(value)

Pass-through method for single scalar values.

openclean.util.core.tenary_pass_through(*args)

Pass-through method for a list of argument values.

openclean.util.core.unique_identifier(length: Optional[int] = None) → str

Get an identifier string of given length. Uses UUID to generate a unique string and return the requested number of characters from that string.

Parameters: length (int, default=None) – Number of characters in the returned string.
Return type: string