[Pkg-exppsy-pymvpa-dev] array of length 1

[Michael Hanke]

On Thu, Dec 10, 2009 at 11:54:39AM +0100, Valentin Haenel wrote:
> Hi Everyone,
> 
> regarding the zero dim array:
> ------------------------------
> 
> Its important in the argument checking for the Sphere object:
> 
>         # type checking
>         coordinate = N.asanyarray(coordinate)
>         if __debug__:
>             if coordinate.size != 3 \
>             or coordinate.dtype.char not in N.typecodes['AllInteger']:
>                 raise ValueError("Sphere must be called on a sequence of integers of "
>                                  "length 3, you gave: "+ str(coordinate))
> 
> In case the coordinate is just a single number, using len(coordinate) would
> fail. Maybe i am just doing the type check wrong, or maybe i shouldn't be doing
> a type check at all?

Exactly. I won't check it at all -- or make it conditional under __debug__.

> regarding the mailinglist
> ------------------------------
> 
> There seems to be a pymvpa-dev mailinglist, maybe it would be time to start
> using that. Its not like we want to bore our users with implementation details?
> 
> http://lists.alioth.debian.org/pipermail/pkg-exppsy-pymvpa-dev/

Posted to that list ;-)


Michael

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