def _set_as_cached(self, item, cacher):
    'Set the _cacher attribute on the calling object with a weakref to\n        cacher.\n        '
    self._cacher = (item, weakref.ref(cacher))
Set the _cacher attribute on the calling object with a weakref to
cacher.
def _set_as_cached(self, item, cacher):
    'Set the _cacher attribute on the calling object with a weakref to\n        cacher.\n        '
    self._cacher = (item, weakref.ref(cacher))