[Python-Dev] datetime +/- scalars (int, long, float)?

[Michael Hudson]

Kevin Jacobs <jacobs@penguin.theopalgroup.com> writes:

> On Mon, 4 Mar 2002, Guido van Rossum wrote:
> > > You should name the type timestamp if you want to imply dt + n
> > > == dt + n seconds. datetime + n is commonly understood as
> > > dt + n *days*.
> [...] 
> > Is this just an mxDateTime convention, or is it in wider use?  (URLs
> > of docs of other languages / libraries would really help to convince
> > me!)
> 
> I'm afraid that this really is the de-facto standard.  However, lets be
> clear; is t=t+1 adding 1 (calendar) day or 24 hours (86400 seconds)?

Wouldn't this fall into the "explicit is better than implicit" bin?
I.e. t + 1 should be an error?

Cheers,
M.

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