[issue9396] Standardise (and publish?) cache handling in standard library

[Nick Coghlan]

Nick Coghlan <ncoghlan at gmail.com> added the comment:

With Raymond adding functools.lru_cache and functools.lfu_cache, it should be possible to use those for the various caches in the standard library.

My only point of concern is that the standard lib caches tend to allow dynamic modification of the max cache size, while the new cache decorators appear to be fixed at the size specified when defining the decorator.

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<http://bugs.python.org/issue9396>
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