On 2011-03-29 08:33, Luca Beltrame wrote:
> In data lunedì 28 marzo 2011 22:04:24, Laurent Gautier ha scritto:
>
>> I'd be happy to hear about the features that got your interest (off-list
>> if you prefer it).
> My main interest is in the auto-mapping of R S4 classes to Python objects,
I assume that this is the meta-class robjects.methods.RS4Auto_Type.

In principle this is working fine, but I have conducted experiments for 
the new rpy2.interactive module where using importr(<package_name>) 
would also expose all S4 classes as Python classes dynamically generated 
and met serious performance issues with bioconductor packages with a lot 
of S4 class definitions. The performance issues are either in the way I 
am using introspection on the R objects, or in the way R does introspection.

You definitely want to jump on the rpy2-2.2.0 bandwagon early to try it 
out for yourself.

>   and
> the larger number of R types wrapped (lists, for example).

Yes, R lists (and the child class data.frame) are better supported.


>   The former is
> important to me because I will be able to reduce the number of kludges in my
> code.


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