zcollection.dataset.Expression

class zcollection.dataset.Expression(expression)

Bases: object

Partitioning expressions.

Parameters:

expression (str) – The expression to be evaluated

Raises:

NameError – If a variable is not defined.

Example

>>> expr = Expression("a + b * sin(c)")

Attributes

code	Compiled expression to be evaluated
BUILTINS	The builtins that are allowed in the expression.

Special Methods

__call__(zds)	Call self as a function.
__dataclass_fields__
__dataclass_params__
__eq__(other)	Return self==value.
__match_args__
__repr__()	Return repr(self).