[C++-sig] Problem using the ptr() function
Emmanuel Taurel
etaurel at cells.es
Wed Oct 26 15:10:12 CEST 2005
Hello everybody,
I am using Boost.python to interface a C++ set of classes. In one of my C+++
class, I am calling a method implemented in Python with the
boost "call_method" call. This method has one parameter of our own data type
and return a pointer to this type. I have installed converters for this type
as it is adviced in the FAQ "How can I automatically convert my custom
string type..." If I call my method like this
MyType *ret = call_method<MyType *>(my_py_obj,"My_method", my_ptr)
With my_ptr being a MyType *, it works. But if I call it like this
MyType *ret = call_method<MyType *>(my_py_obj,"My_method", ptr(my_ptr)) to
avoid a copy, I received a run time error complaining that
"No Python class registered for C++..."
Could someone explain me why it works in the first case and not in the
second one.
Many thanks in advance
Emmanuel Taurel (etaurel at cells.es)
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