On 11/15/2011 09:51 AM, Jérôme Laheurte wrote:
But you can put several submodules in an extension module, as a
workaround (see code below). I always wondered if that was possible
with boost::python or SWIG ?
Interesting, I hadn't thought of that.
Anyhow, I believe it should be possible (but not very useful) with both;
you can make the inner module, but it's just a Python C-API module and
you have to manually add SWIG or Boost.Python-wrapped functions and
types to it.
Jim
#include<Python.h>
static PyObject *myfunc(PyObject *self, PyObject *args) { if
(!PyArg_ParseTuple(args, "|myfunc")) return NULL;
printf("Hello, world\n");
Py_INCREF(Py_None); return Py_None; }
static PyMethodDef functions[] = { { "myfunc", (PyCFunction)myfunc,
METH_VARARGS, "" }, { NULL } };
static PyMethodDef nofunctions[] = { { NULL } };
void inittestmod() { PyObject *mdl, *submdl;
if (!(mdl = Py_InitModule3("testmod", nofunctions, ""))) return;
if (!(submdl = Py_InitModule3("foo", functions, ""))) return;
Py_INCREF(submdl); PyModule_AddObject(mdl, "foo", submdl); }
After building,
import testmod testmod.foo.myfunc()
Hello, world
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