[C++-sig] Embedded Python
David Abrahams
dave at boostpro.com
Sat Jun 28 00:29:19 CEST 2008
Craig Slusher wrote:
> I am having trouble with the following code:
>
> PyObject *module = PyImport_ImportModule(modulename);
> if (module == NULL) {
>
> PyObject* et, *ev, *etr;
> PyErr_Fetch(&et, &ev, &etr);
> PyObject* traceback = PyImport_ImportModule("traceback");
> PyObject* tb = PyObject_CallMethodObjArgs(traceback, PyString_FromString("format_exception"), et, ev, etr, NULL);
>
> char *message = PyString_AsString(PyObject_Str(tb));
> ...
> ...
> }
>
> When this code executes, it gets into the "module == NULL" condition. However, when I try to get the exception that occurred, I get the value "<NULL>" copied into the "char* message" variable.
>
>
> Can anyone shed some light on what might cause this to happen? I thought that if I actually get into that NULL condition that an exception has occurred.
This really has nothing to do with C++. I suggest you try
comp.lang.python, where the C API experts hang out.
--
Dave Abrahams
BoostPro Computing
http://www.boostpro.com
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