Thanks, make sense. This could use a bit better explanation in the book.
On Feb 10, 9:23 am, Massimo Di Pierro <[email protected]> wrote: > The problem is here: > > cached = cache.disk(cache_key, lambda:None) > > The expiration time is not set by the initial call but it is set but > each retrieve call. It is the retrieve call above that decided whether > the stored value should be considered expired or not. Since you are > not specifying a time expire you get the default 300seconds (5 > minutes) and then you override it the return of lambda:None, i.e. > None. Should be: > > cached = cache.disk(cache_key, lambda:None, None) > > On Feb 10, 6:17 am, Dane <[email protected]> wrote: > > > > > > > > > I'm trying to use cache.disk to cache a large TABLE object > > indefinitely. It seems to work fine at first, but then expires after a > > couple minutes. > > > I'm setting it like this: > > > cache.disk.clear('^%s$' % cache_key) > > cache.disk(cache_key, lambda:grid, None) > > > *(I also tried 10**10 instead of None for duration with same result) > > > And I'm accessing like this: > > > cached = cache.disk(cache_key, lambda:None) > > if cached: return cached > > > -Dane
