[pypy-dev] rpython questions, **kw, __call__, __getattr__
Carl Friedrich Bolz
cfbolz at gmx.de
Fri Jul 23 10:23:15 CEST 2010
On 07/23/2010 06:49 AM, Hart's Antler wrote:
> Looking through the pypy source code i see **kw, __call__ and
> __getattr__ are used,
Where exactly are they used? Not all of the code in PyPy is RPython.
> but when i try to write my own rpython code
> that uses these conventions, i get translation errors. Do i need to
> borrow from "application space" in order to do this or can i just
> give hints to the annotator? Thanks, -brett
> #this is allowed
> def func(*args):
> #but this is not?
> def func(**kw):
> #error call pattern too complex
> #this class fails to translate, are we not allowed to define our own
> __call__ and __getattr__ in rpython?
> class A(object):
You cannot use any __xxx__ functions in RPython, only __init__ and
__del__. Anyway, you cannot translate a class, so "fails to translate"
has no meaning :-).
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