lazy_property

class sknano.core.meta.lazy_property(func)

Bases: object

lazy property descriptor

Used as a decorator to create lazy attributes. Lazy attributes are evaluated on first use.

Methods

invalidate(instance, name)

Invalidate a lazy attribute.

Methods Summary

invalidate(instance, name)

Invalidate a lazy attribute.

Methods Documentation

classmethod invalidate(instance, name)

Invalidate a lazy attribute.

This obviously violates the lazy contract. A subclass of lazy may however have a contract where invalidation is appropriate.