I SOLVED IT ...
thanks for people who provided me help .. but i believe solved it
myself. .haha .. took me long time..
so .. the solution is something like this..
in my c function ..which calls python call ..
[code]
PyObject *argobj = SWIG_NewPointerObj(SWIG_as_voidptr(&msg2),
SWIGTYPE_p_RFAMessageWrapper, SWIG_POINTER_NEW | 0 );
try {
arglist = Py_BuildValue("(O)",argobj); // Build argument
list
PyEval_CallObject(func,arglist); // Call Python
} catch (...) {
cout<<"Unknown exception..."<<endl;
}
[\code]
I am using
PyObject *argobj = SWIG_NewPointerObj(SWIG_as_voidptr(&msg2),
SWIGTYPE_p_RFAMessageWrapper, SWIG_POINTER_NEW | 0 );
This was incorrect... i guess SWIG_POINTER_NEW is used to create pointer
to the actual c++ object where as if I pass 0
PyObject *argobj = SWIG_NewPointerObj(SWIG_as_voidptr(&msg2),
SWIGTYPE_p_RFAMessageWrapper, 0 | 0 );
This actually creates a pointer to the wrapped python object :)
I could access my object in my python code now.
I had to include std_string.i to enable string typemaps :)
Thanks,
Alok
-----Original Message-----
From: cplusplus-sig-bounces+alok.jadhav=credit-suisse....@python.org
[mailto:cplusplus-sig-bounces+alok.jadhav=credit-suisse....@python.org]
On Behalf Of Jadhav, Alok
Sent: Wednesday, December 09, 2009 1:55 PM
To: Development of Python/C++ integration
Subject: Re: [C++-sig] Converintg C++ object to python object
When I pass a C++ object to Python function, I want to be able to use
that object using its Proxy class in the python code. How can I achieve
that?
Regards, Alok
-----Original Message-----
From: cplusplus-sig-bounces+alok.jadhav=credit-suisse....@python.org
[mailto:cplusplus-sig-bounces+alok.jadhav=credit-suisse....@python.org]
On Behalf Of Jadhav, Alok
Sent: Wednesday, December 09, 2009 10:13 AM
To: Development of Python/C++ integration
Subject: [C++-sig] Converintg C++ object to python object
In my C++ callback function below
[code]
static void PythonCallBack(RFAMessage *msg, void *clientdata) {
PyObject *func, *arglist;
PyGILState_STATE state;
state = PyGILState_Ensure();
func = (PyObject *) clientdata; // Get Python function
RFAMessageWrapper msg2(msg);
PyObject *argobj = SWIG_NewPointerObj(SWIG_as_voidptr(&msg2),
SWIGTYPE_p_RFAMessageWrapper , SWIG_POINTER_NEW | 0 );
arglist = Py_BuildValue("(O)",argobj); // Build argument
list
PyEval_CallObject(func,arglist); // Call Python
Py_XDECREF(arglist); // Trash arglist
//SWIG_PYTHON_THREAD_END_BLOCK;
PyGILState_Release(state);
}
[/code]
Can you tell me if the usage of SWIG_NewPointerObj is correct? I want
to convert a C++ class object into python equivalent object. In the
python code, the passed object is identified as SwigPyObject and not
RFAMessageWrapper which I am expecting.
How can I convert RFAMessageWrapper object into its Python equivalent to
that in my Python function I can use the passed object as
RFAMessageWrapper.
Regards,
Alok
========================================================================
=======
Please access the attached hyperlink for an important electronic
communications disclaimer:
http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html
========================================================================
=======
_______________________________________________
Cplusplus-sig mailing list
Cplusplus-sig@python.org
http://mail.python.org/mailman/listinfo/cplusplus-sig
========================================================================
=======
Please access the attached hyperlink for an important electronic
communications disclaimer:
http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html
========================================================================
=======
_______________________________________________
Cplusplus-sig mailing list
Cplusplus-sig@python.org
http://mail.python.org/mailman/listinfo/cplusplus-sig
===============================================================================
Please access the attached hyperlink for an important electronic
communications disclaimer:
http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html
===============================================================================
_______________________________________________
Cplusplus-sig mailing list
Cplusplus-sig@python.org
http://mail.python.org/mailman/listinfo/cplusplus-sig
