Nathann Cohen wrote:
Yoooooooooo !!
> Perhaps not the most elegant solution ;-), but I guess you could use an
> auxiliary cached function that throws its result instead of returning it
> in cases where you don't want to cache it...
Hmmm... Well, the only way I see to do that is :
def my_main_function_which_caches_nothing(n,cache_it=False):
if cache_it:
return auxiliary_function(n)
[do your job]
@cached_function
def auxiliary_function(n):
return my_main_function_which_caches_nothing(n,cache_it=False)
But yeah, the main function would call itself through an auxiliary
function.... Well, I would like to avoid that :-/
Perhaps only slightly better (but omitting the additional 'cache_it'
parameter):
def a(n):
if n.is_prime_power():
return _a_noncached(n)
else:
return _a_cached(n)
@cached_function
def _a_cached(n):
return a_noncached(n)
(_a_noncached() is your original function a(), just renamed.)
Of course also depends on whether (here) n.is_prime_power() probably
gets called twice [without caching the result], and in general on how
expensive that is.
-leif
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