Raymond Hettinger added the comment: I don't think this is an appropriate use of an LRU cache. There are other ways to "freeze" a method return value (typically by storing the result in an instance).
Here's one way of doing it (taken from the source code for Itty https://pypi.python.org/pypi/itty/0.8.2 ): class lazyproperty(object): """A property whose value is computed only once. """ def __init__(self, function): self._function = function def __get__(self, obj, _=None): if obj is None: return self value = self._function(obj) setattr(obj, self._function.func_name, value) return value Here is how it is used: class Request(object): """An object to wrap the environ bits in a friendlier way.""" ... @lazyproperty def POST(self): return self.build_complex_dict() ... ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue19859> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
