On Nov 14, 12:57 am, "Gabriel Genellina" <[EMAIL PROTECTED]>
wrote:
> En Tue, 13 Nov 2007 19:59:56 -0300, <[EMAIL PROTECTED]> escribió:
>
> > working on a smaller example. i could not get pyNode_root invoked yet
> > and
> > PyRun_String("import node\nprint node.root()\n",
> > Py_file_input,
> > exec, g_maindict);
>
> The globals argument should contain (at least) a key "__builtins__"
> pointing to the __builtin__ module; else, no builtin functions (like
> __import__) will be found. PyEval_Globals (you used it somewhere) returns
> a suitable globals argument.
>
thank you.
result is the same however:
pyt: main.cpp:17: PyObject* pyNode_root(PyObject*, PyObject*):
Assertion `co' failed.
Program received signal SIGABRT, Aborted.
[Switching to Thread -1218617216 (LWP 4807)]
0x00a54eff in raise () from /lib/tls/libc.so.6
with testimp.py:
import node
print "import test worked"
def runtest():
print "runtest()!!!"
res = node.root()
and the code
#undef _POSIX_C_SOURCE
#include <Python.h>
#ifndef PyMODINIT_FUNC /* declarations for DLL import/export */
#define PyMODINIT_FUNC void
#endif
PyObject *g_mainmod;
PyObject *g_maindict;
bool worked = false;
static
PyObject *
pyNode_root(PyObject *self, PyObject *args)
{
PyObject *dict = PyEval_GetGlobals();
PyObject *co = PyDict_GetItemString(dict, "interp");
assert(co);
assert(PyCObject_Check(co));
void *interp = PyCObject_AsVoidPtr(co);
assert(interp);
// ...
printf("root() worked\n");
worked=true;
return 0;
}
static PyMethodDef module_methods[] = {
/* no need to create pyNode from python programs
{"new", pyNode_new, METH_VARARGS,
PyDoc_STR("new() -> new Node object")},
*/
{"root", pyNode_root, METH_VARARGS,
PyDoc_STR("root('dm') -> wrapper for the rootnode")},
{NULL} /* Sentinel */
};
int
main()
{
Py_Initialize();
PyRun_SimpleString("import sys\n"
"sys.path.append('.')\n"
"print ': ',sys.path\n"
);
g_mainmod = PyImport_AddModule("__main__");
assert(g_mainmod);
g_maindict = PyModule_GetDict(g_mainmod);
assert(g_maindict);
Py_INCREF(g_maindict); // it was a borrowed reference
PyObject* m = Py_InitModule("node", module_methods);
if (m == NULL)
return 1;
PyObject *eglobal = PyDict_New();
void *handle = (void*)0xdeadc0ed;
PyObject *ih = PyCObject_FromVoidPtr(handle, NULL);
int st= PyDict_SetItemString(eglobal, "interp", ih);
assert(!st);
PyObject *builtins = PyEval_GetBuiltins();
st= PyDict_SetItemString(eglobal, "__builtins__", builtins);
assert(!st);
PyObject *import = PyImport_ImportModule("testimp");
if(!import) {
PyErr_Print();
return 3;
}
Py_INCREF(import);
PyModule_AddObject(g_mainmod, "testimp", import);
PyObject *mScriptHandle=
Py_CompileString("testimp.runtest()",
"comp", Py_eval_input);
if(!mScriptHandle) {
if (PyErr_Occurred()) {
PyErr_Print();
}
return 2;
}
PyObject *res = PyEval_EvalCode((PyCodeObject*)mScriptHandle,
eglobal, g_maindict);
if (PyErr_Occurred()) {
PyErr_Print();
}
Py_DECREF(res);
assert(worked);
}
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