[C++-sig] Creating a python class from c++

[Stefan Seefeld]

James Healey wrote:
> Im trying to call a python function which is not in a
> class:
> 
> exec_file("Data\\Script\\Editor.py", global, global);
> 
> boost::python::object func = global["OnClick"];
> func();
> 
> But it's falling over when I call the object, global
> returns a valid object and if i look at func in the
> debugger it says it's a function.
> 
> It falls over when calling:

...what ?

>     // This conversion *must not* be done in the same
> expression as
>     // the call, because, in the special case where
> the result is a
>     // reference a Python object which was created by
> converting a C++
>     // argument for passing to PyEval_CallFunction,
> its reference
>     // count will be 2 until the end of the full
> expression containing
>     // the conversion, and that interferes with
> dangling
>     // pointer/reference detection.
>     converter::return_from_python<R> converter;
> 
> The ref count of func is 2 is that helps.


Sorry, I don't see any call here. Further, if you really expect anybody to help
you please provide a minimal self-contained test case that allows others to
reproduce the problem. Not to mention that you didn't tell us what platform you
are working on, what toolchain, etc.

Regards,
		Stefan

-- 

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