+ /* "Import" the Python module. */
+ if (!(py_mod = PyImport_ImportModule(name))) { /* NEWREF */
+ PyErr_Print(); /* Returns void. */
+ return SRD_ERR_PYTHON; /* TODO: More specific error? */
+ }
+
+ /* Get the 'Decoder' class as Python object. */
+ py_res = PyObject_GetAttrString(py_mod, "Decoder"); /* NEWREF */
+ if (!py_res) {
+ if (PyErr_Occurred())
+ PyErr_Print(); /* Returns void. */
+ Py_XDECREF(py_mod);
+ fprintf(stderr, "Decoder class not found in PD module %s\n", name);
+ return SRD_ERR_PYTHON; /* TODO: More specific error? */
+ }
+
+ if (!(d = malloc(sizeof(struct srd_decoder))))
+ return SRD_ERR_MALLOC;
+
+ /* We'll just use the name of the module for the id */
+ d->id = strdup(name);
+
+ if ((r = h_str(py_res, py_mod, "name", &(d->name))) < 0)
+ return r;
+
+ if ((r = h_str(py_res, py_mod, "longname",
+ &(d->longname))) < 0)
+ return r;
+
+ if ((r = h_str(py_res, py_mod, "desc", &(d->desc))) < 0)
+ return r;
+
+ if ((r = h_str(py_res, py_mod, "longdesc",
+ &(d->longdesc))) < 0)
+ return r;
+
+ if ((r = h_str(py_res, py_mod, "author", &(d->author))) < 0)
+ return r;
+
+ if ((r = h_str(py_res, py_mod, "email", &(d->email))) < 0)
+ return r;
+
+ if ((r = h_str(py_res, py_mod, "license", &(d->license))) < 0)
+ return r;
+
+ d->py_mod = py_mod;
+ d->py_decobj = py_res;
+
+ /* TODO: Handle func, inputformats, outputformats. */
+ /* Note: They must at least be set to NULL, will segfault otherwise. */
+ d->func = NULL;
+ d->inputformats = NULL;
+ d->outputformats = NULL;
+
+ *dec = d;
+
+ return SRD_OK;
+}
+
+struct srd_decoder_instance *srd_instance_new(const char *id)
+{
+ struct srd_decoder *dec = srd_get_decoder_by_id(id);
+ if (!dec)
+ return NULL;
+ struct srd_decoder_instance *di = g_malloc(sizeof(*di));
+ PyObject *py_args, *py_value;
+
+ /* Create a Python tuple of size 1. */
+ if (!(py_args = PyTuple_New(0))) { /* NEWREF */
+ if (PyErr_Occurred())
+ PyErr_Print(); /* Returns void. */
+
+ return NULL; /* TODO: More specific error? */
+ }
+
+ py_value = Py_BuildValue("{sssisd}",
+ "driver", "demo",
+ "unitsize", _unitsize, //FIXME: Pass in a unitsize that matches the selected LA
+ "starttime", 129318231823.0 //TODO: Fill with something reasonable.
+ );
+
+ /* Create an instance of the Decoder class */
+ di->py_instance = PyObject_Call(dec->py_decobj, py_args, py_value);
+ if (!di->py_instance) {
+ if (PyErr_Occurred())
+ PyErr_Print(); /* Returns void. */
+ Py_XDECREF(py_args);
+ Py_XDECREF(py_value); /* TODO: Ref. stolen upon error? */
+ return NULL; /* TODO: More specific error? */
+ }
+
+ Py_XDECREF(py_args);
+ Py_XDECREF(py_value);
+
+ return di;
+}
+
+int srd_instance_set_probe(struct srd_decoder_instance *di,
+ const char *probename, int num)
+{
+ PyObject *probedict, *probenum;
+ probedict = PyObject_GetAttrString(di->py_instance, "probes"); /* NEWREF */
+ if (!probedict) {
+ if (PyErr_Occurred())
+ PyErr_Print(); /* Returns void. */
+
+ return SRD_ERR_PYTHON; /* TODO: More specific error? */
+ }
+
+ probenum = PyInt_FromLong(num);
+ PyMapping_SetItemString(probedict, (char*)probename, probenum);
+
+ Py_XDECREF(probenum);
+ Py_XDECREF(probedict);
+ return SRD_OK;