Guido van Rossum wrote: > > > > > I propose adding an "abstract" money base type to the standard > > > > library, to be subclassed by real money/decimal implementations. > > > > > > Why do we need this? I guess that would be Question #1... > > > > For databases ?! The DB API has long had a monetary or at least > > decimal type on its plate... never got around to implementing > > one, though :-) > > I can only find one reference to money or decimal in the DB API PEP, > and that's as a future task. I guess that's what you mean by "on its > plate". Exactly :-) > Since I'm not a database expert, maybe you can explain the use of this > in more detail? And why would we need a monetary type rather than a > fixed-point decimal type? A decimal would do as well, I suppose, at least in terms of storing the raw value. The reason for trying to come up with a monetary type is to make operations between monetary values having two different currencies illegal. Coercion between two of those would always have to be made explicit (for obvious reasons). -- Marc-Andre Lemburg CEO eGenix.com Software GmbH ______________________________________________________________________ Company & Consulting: http://www.egenix.com/ Python Software: http://www.egenix.com/files/python/
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