On 2012年5月01日 07:32:36 +0200 raymond.hettinger <python-checkins at python.org> wrote: > http://hg.python.org/cpython/rev/f981fe3b8bf7 > changeset: 76681:f981fe3b8bf7 > user: Raymond Hettinger <python at rcn.com> > date: Mon Apr 30 22:32:16 2012 -0700 > summary: > Move make_key() out of the decorator body. Make keys that only need to be hashed once. How does it work? A new _CacheKey instance is created at each cache lookup anyway. Regards Antoine.