[pypy-dev] Two problems

[Martin C. Martin]

So it's not possible for RPython to call regular, non-RPython?  Is there 
some wrapper I could write to let RPython call regular python code?

Best,
Martin

Simon Burton wrote:
> On Fri, 25 Jan 2008 10:30:17 -0500
> "Martin C. Martin" <martin at martincmartin.com> wrote:
> 
>> Hi,
>>
>> I'm really impressed with the C code generated for some functions I'd 
>> like to use in my project.  You guys rock!
>>
>> I've run into two problems this morning.  In pypy-1.0.0, this:
>>
>> import re
>> import os, sys
>> from pypy.translator.interactive import Translation
>> import py
>>
>> def mytest():
>>     x = re.search('bar', 'foobar')
>>     return x.start()
>>
>> t = Translation(mytest)
>> t.annotate()
>>
>> throws an exception:
>>
>>    File "/ita/downloaded/pypy-1.0.0/pypy/annotation/unaryop.py", line 
>> 567, in simple_call
>>      return bltn.analyser(bltn.s_self, *args)
>>    File "/ita/downloaded/pypy-1.0.0/pypy/tool/instancemethod.py", line 
>> 19, in __call__
>>      return self.im_func(firstarg, *args, **kwds)
>> TypeError': method_get() takes exactly 3 arguments (2 given)
>>          .. v1 = simple_call((builtin_function_or_method get), v0)
>>          .. '(sre:213)_compile_star2'
>>
>>
>> This is an InstanceMethod where im_self is a SomeDict and args is a 
>> tuple with a single element, a SomeTuple whose "const" is (<type 'str'>, 
>> 'bar', 0) and whose "items" is (SomeObject, SomeString, SomeInteger). 
>> It seems to be calling a method_get() with two args, SomeDict and 
>> SomeTuple, whereas it wants 3.  Any idea how to fix this?
> 
> I'm not sure you can use module "re" in rpython code.
> 
> The error is because somewhere there is a .get(XX) method call on a dict.
> In rpython the default arg for dict.get must be specified.
> 
> Simon.
> 
>