What's the best strategy for some kind of caching of an expensive property?
Let's say I have the following:
class obj( SQLObject ):
somefield = StringCol( )
someotherfield = StringCol( )
def _get_expensivestuff( self ):
# takes a long time
return result
And if my obj instance is alive for a long time and expensivestuff
gets accessed many times I'd like to just compute result once, store
it somewhere (where?) and return it from there.
I'm aware of memoizing the result of a function using a suitable
decorator but I'm concerned about thread safety and I'm not terribly
knowledgeable about the internals of sqlobject.
Any ideas would help a lot. Thanks,
Daniel
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