I looked at ctypes earlier on, as it would have also made the port to 
things such as Jython and Pypy easier.
However, the needs seemed to me to exceed the capabilities of ctypes at 
the time.

I also remember that when presenting some of the issues I had during 
development on a Python mailing-list, the advice to use Cython was 
formulated. Not ctypes.

I still have plans to use ctypes, but not for the core of rpy2.

Regarding Python 3.x, I think that there will be a specific port of rpy2 
  for it. I just do not know when.
I understand that it's all new and shiny, and that trying it early will 
help make it better earlier, but the project does not currently have 
sufficient resources to start it now.


Laurent



June Kim wrote:
> I don't know much about the architectural decisions of rpy2, but, If
> rpy2 were standing on top of ctypes instead of directly implementing a
> c interface, it would be easier to go up along with the python version
> upgrades.
> 
> On Wed, Jan 28, 2009 at 12:49 PM, Alex Mandel
> <tech_...@wildintellect.com> wrote:
>> 조성일 wrote:
>>> Hello,
>>>
>>> I understand python 3.0 is going to be the future standard.
>>> Is there a plan to develop RPy for python 3.0 soon?
>>> Currently RPy2 requires python 2.x, and doesn't seem to work with 3.0. I am
>>> wondering whether I should hold on to python 2.x, or move to py3k and
>>> wait for a new RPy.
>>>
>>> I couldn't easily find this topic in the archives, so I would appreciate any
>>> advice.
>>>
>>> Thank you,
>>> Sungil
>> That depends on your time frame, if need something working and ready
>> soon but can't convert Rpy2 to py3k yourself then you should use py2.x
>>
>> I'm not a developer on this project but as a general rule would guess
>> it's going to take a year for most python based projects to catch up and
>> release for py3k.(It's only been 2 months)
>>
>> So if you rely on any non-standard modules you probably shouldn't switch
>> quite yet.
>>
>> Alex
>>
>>
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