[issue2706] datetime: define division timedelta/timedelta

[Alexander Belopolsky]

Alexander Belopolsky <belopolsky at users.sourceforge.net> added the comment:

Oops, the tracker ate some lines from e-mail.  Reposting through the 
web:

On Fri, Nov 14, 2008 at 1:28 PM, STINNER Victor <report at bugs.python.org> 
wrote:
..
> What do you think about:
>  timedelta / <timedelta or int or float>  # only with 
__future__.divison
>  timedelta // <timedelta or int>
>  timedelta % <timedelta or int>
>  divmod(timedelta, <timedelta or int>)
> with:
>  timedelta // int -> timedelta
already there

>  timedelta // timedelta -> int
+1

>  timedelta % int -> timedelta
+1

>  timedelta % timedelta -> int
+1

timedelta % float -> timedelta (because int % float -> int works) ?

>  divmod(timedelta, int) -> (timedelta, timedelta)
+1

>  divmod(timedelta, timedelta) -> (int, timedelta)
+1

divmod(timedelta, float) -> (timedelta, timedelta) ?

>  timedelta / <anything> -> float # __future__.divison
-1

Only timedelta / timedelta should produce dimensionless numbers.
timedelta / <float or int> should be disallowed in true division mode.
 I am +0 on timedelta / timedelta -> float in true division mode.
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<http://bugs.python.org/issue2706>
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