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Showing content from https://mail.python.org/pipermail/python-dev/2012-February/116057.html below:

[Python-Dev] Store timestamps as decimal.Decimal objects

[Python-Dev] Store timestamps as decimal.Decimal objectsPJ Eby pje at telecommunity.com
Wed Feb 1 03:40:02 CET 2012
On Tue, Jan 31, 2012 at 7:35 PM, Nick Coghlan <ncoghlan at gmail.com> wrote:

> Such a protocol can easily be extended to any other type - the time
> module could provide conversion functions for integers and float
> objects (meaning results may have lower precision than the underlying
> system calls), while the existing "fromtimestamp" APIs in datetime can
> be updated to accept the new optional arguments (and perhaps an
> appropriate class method added to timedelta, too). A class method
> could also be added to the decimal module to construct instances from
> integer components (as shown above), since that method of construction
> isn't actually specific to timestamps.
>

Why not just make it something like __fromfixed__() and make it a standard
protocol, implemented on floats, ints, decimals, etc.  Then the API is just
"time.time(type)", where type is any object providing a __fromfixed__
method.  ;-)
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