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Miscellany utilities for refactorlib.
I reserve the right to move these to another namespace in the future.
class LazyProperty(object):
A decorator for a property which only needs calculated once.
def __init__(self, calculate_function):
self._calculate = calculate_function
def __get__(self, obj, _=None):
if obj is None:
return self
value = self._calculate(obj)
setattr(obj, self._calculate.func_name, value)
return value
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