# From http://blog.pythonisito.com/2008/08/lazy-descriptors.html

Classes
		builtins.object lazy_property   class lazy_property(builtins.object)     A @property-like decorator with lazy evaluation   >>> class Foo: ...     @lazy_property ...     def answer(self): ...         print("calculating answer...") ...         return 2*3*7 >>> foo = Foo() >>> foo.answer calculating answer... 42 >>> foo.answer 42     Methods defined here: __get__(self, obj, cls=None) __init__(self, method) Data descriptors defined here: __dict__ dictionary for instance variables (if defined) __weakref__ list of weak references to the object (if defined)