Embedding Python - How to create a class instance

[Miki Tebeka]

Hello All,

I'm trying to embed Python in a C application.
What I didn't find is how to create an instance once I have a class object.

I'd like to do the equivalent of:

    from a import A
    obj = A()
    obj.foo(10)

The following code omits error checking for clarity.
--- a.py ---
class A:
    def foo(self, x):
        print "A got %d" % x
--- a.py ---

--- a.c ---
int
main()
{
    PyObject *module, *A, *dict, *a, *args;
    PyObject *obj;

    Py_Initialize();

    PyRun_SimpleString("import sys; sys.path.append('.')");

    module = PyImport_ImportModule("a");
    dict = PyModule_GetDict(module);
    A = PyDict_GetItemString(dict, "A");
    /* FIXME: Create obj as instance of A (a = A()) */
    obj = ???

    foo = PyObject_GetAttrString(obj, "foo");
    args = Py_BuildValue("(O, i)", obj, 49);
    PyObject_CallObject(foo, args);

    Py_Finalize();

    return 0;
}
--- a.c ---

Thanks.
--
------------------------------------------------------------------------
Miki Tebeka <miki.tebeka at zoran.com>
http://tebeka.bizhat.com
The only difference between children and adults is the price of the toys
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