[C++-sig] [boost::python] Unable to call a python object Member Function

[shadow_dog1]

I hope someone can help with this boost::python question.

I create a python object and want to call a member function but it requires
the 'self' reference to be passed in? 

Here is the python code:

class config:
	def __init__(self, file):
		self._config = file

	def getfile(self, path):
		return path + self._config

Here is c++ code:

#include <boost/python/object.hpp>
namespace python = boost::python;

int _tmain(int argc, _TCHAR* argv[])
{
	Py_InitializeEx(0);
        python::object configMod = python::import("config_wrapper");
	python::object config = configMod.attr("my.config");
		
	config("tgx.config");
	python::object val = config.attr("getfile")("c:\datadir\");

        Py_Finalize();
}

I get this exception when the code runs -

"TypeError: unbound method getfile() must be called with config instance as
first argument (got str instance instead)"

I have tried passing the 'config' instance a the first param but still get
the execption. The code works fine if i do not call a member function but
instead call a normal function?? I'm stuck...





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