Question about __getattribute__/__getattr__
holger krekel
pyth at devel.trillke.net
Mon Sep 30 17:45:54 EDT 2002
Joao Prado Maia wrote:
> On Mon, 30 Sep 2002, holger krekel wrote:
>
> > Probably you are interested in the Memoize recipe at
> >
> > http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/52201
> >
>
> That looks interesting, and it is indeed similar to what I'm trying to
> acomplish, but on my case I want to keep each specific return value in a
> separate cache file.
>
> The first Memoize class keeps every cached item in a dictionary, which it
> may be fine for some applications, but I need it for a network server that
> may be running for several days. It's not the best thing to keep
> everything in memory ;)
>
> The second class keeps everything on the same pickled file (please let me
> know if I'm wrong), which will be very slow after a couple hundred megs of
> data in there.
>
> Anyway, I'm still going back to my original question: how do I get the
> full list of arguments passed to a function ? This can't be that hard :)
The important lines from the above link are:
def __call__(self, *args):
if not self.memo.has_key(args):
self.memo[args] = self.fn(*args)
return self.memo[args]
and 'args' is a tuple of arguments.
'args[0]' would give you the first argument, for example.
HTH,
holger
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