[pypy-dev] Modeling attributes in the annotator

[Maciej Fijalkowski]

On Thu, Feb 18, 2010 at 4:12 PM, Benjamin Peterson <benjamin at python.org> wrote:
> 2010/2/18 Nick Bray <ncbray at gmail.com>:
>> I'm doing a lit review on Python analysis techniques.  Right now I'm
>> trying to understand how PyPy's annotator models object attributes.
>> Are the descriptions on the web page accurate?  There are two corner
>> cases that I do not understand how the annotator, as described, deals
>> with.
>>
>> 1)
>> o.f = 1
>> ??? = o.__dict__['f']
>>
>> 2) Any attribute lookup involving a descriptor that is not a function object.
>>
>> I realize the annotator is only intended to work for RPython. Given
>> the information I have, however, I do not see what restrictions in
>> RPython would disallow these cases.  ("They just are" is an acceptable
>> answer, I just want to make sure I'm not being particularly dense and
>> missing something.)
>
> They just are. __dict__ isn't RPython.
>
>
>
> --
> Regards,
> Benjamin
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There is a bit of documentation on RPython.

http://codespeak.net/pypy/dist/pypy/doc/coding-guide.html#restricted-python