+
+ py_str = PyDict_GetItemString(py_opt, "desc");
+ if (py_str) {
+ if (py_str_as_str(py_str, &o->desc) != SRD_OK)
+ goto err_out;
+ }
+
+ py_default = PyDict_GetItemString(py_opt, "default");
+ if (py_default) {
+ gvar = py_obj_to_variant(py_default);
+ if (!gvar) {
+ srd_err("Protocol decoder %s option 'default' has "
+ "invalid default value.", d->name);
+ goto err_out;
+ }
+ o->def = g_variant_ref_sink(gvar);
+ }
+
+ py_values = PyDict_GetItemString(py_opt, "values");
+ if (py_values) {
+ /* A default is required if a list of values is
+ * given, since it's used to verify their type. */
+ if (!o->def) {
+ srd_err("No default for option '%s'.", o->id);
+ goto err_out;
+ }
+ if (!PyTuple_Check(py_values)) {
+ srd_err("Option '%s' values should be a tuple.", o->id);
+ goto err_out;
+ }
+
+ for (i = PyTuple_Size(py_values) - 1; i >= 0; i--) {
+ py_item = PyTuple_GetItem(py_values, i);
+ if (!py_item)
+ goto except_out;
+
+ if (Py_TYPE(py_default) != Py_TYPE(py_item)) {
+ srd_err("All values for option '%s' must be "
+ "of the same type as the default.",
+ o->id);
+ goto err_out;
+ }
+ gvar = py_obj_to_variant(py_item);
+ if (!gvar) {
+ srd_err("Protocol decoder %s option 'values' "
+ "contains invalid value.", d->name);
+ goto err_out;
+ }
+ o->values = g_slist_prepend(o->values,
+ g_variant_ref_sink(gvar));
+ }
+ }
+ }
+ d->options = options;
+ Py_DECREF(py_opts);
+ PyGILState_Release(gstate);
+
+ return SRD_OK;
+
+except_out:
+ srd_exception_catch("Failed to get %s decoder options", d->name);
+err_out:
+ g_slist_free_full(options, &decoder_option_free);
+ Py_XDECREF(py_opts);
+ PyGILState_Release(gstate);
+
+ return SRD_ERR_PYTHON;
+}
+
+/* Convert annotation class attribute to GSList of char **.
+ */
+static int get_annotations(struct srd_decoder *dec)
+{
+ PyObject *py_annlist, *py_ann;
+ GSList *annotations;
+ char **annpair;
+ ssize_t i;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
+
+ if (!PyObject_HasAttrString(dec->py_dec, "annotations")) {
+ PyGILState_Release(gstate);
+ return SRD_OK;
+ }
+
+ annotations = NULL;
+
+ py_annlist = PyObject_GetAttrString(dec->py_dec, "annotations");
+ if (!py_annlist)
+ goto except_out;
+
+ if (!PyTuple_Check(py_annlist)) {
+ srd_err("Protocol decoder %s annotations should "
+ "be a tuple.", dec->name);
+ goto err_out;
+ }
+
+ for (i = PyTuple_Size(py_annlist) - 1; i >= 0; i--) {
+ py_ann = PyTuple_GetItem(py_annlist, i);
+ if (!py_ann)
+ goto except_out;
+
+ if (!PyTuple_Check(py_ann) || PyTuple_Size(py_ann) != 2) {
+ srd_err("Protocol decoder %s annotation %zd should "
+ "be a tuple with two elements.",
+ dec->name, i + 1);
+ goto err_out;
+ }
+ if (py_strseq_to_char(py_ann, &annpair) != SRD_OK)
+ goto err_out;
+
+ annotations = g_slist_prepend(annotations, annpair);
+ }
+ dec->annotations = annotations;
+ Py_DECREF(py_annlist);
+ PyGILState_Release(gstate);
+
+ return SRD_OK;
+
+except_out:
+ srd_exception_catch("Failed to get %s decoder annotations", dec->name);
+err_out:
+ g_slist_free_full(annotations, (GDestroyNotify)&g_strfreev);
+ Py_XDECREF(py_annlist);
+ PyGILState_Release(gstate);
+
+ return SRD_ERR_PYTHON;
+}
+
+/* Convert annotation_rows to GSList of 'struct srd_decoder_annotation_row'.
+ */
+static int get_annotation_rows(struct srd_decoder *dec)
+{
+ PyObject *py_ann_rows, *py_ann_row, *py_ann_classes, *py_item;
+ GSList *annotation_rows;
+ struct srd_decoder_annotation_row *ann_row;
+ ssize_t i, k;
+ size_t class_idx;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
+
+ if (!PyObject_HasAttrString(dec->py_dec, "annotation_rows")) {
+ PyGILState_Release(gstate);
+ return SRD_OK;
+ }
+
+ annotation_rows = NULL;
+
+ py_ann_rows = PyObject_GetAttrString(dec->py_dec, "annotation_rows");
+ if (!py_ann_rows)
+ goto except_out;
+
+ if (!PyTuple_Check(py_ann_rows)) {
+ srd_err("Protocol decoder %s annotation_rows "
+ "must be a tuple.", dec->name);
+ goto err_out;
+ }
+
+ for (i = PyTuple_Size(py_ann_rows) - 1; i >= 0; i--) {
+ py_ann_row = PyTuple_GetItem(py_ann_rows, i);
+ if (!py_ann_row)
+ goto except_out;
+
+ if (!PyTuple_Check(py_ann_row) || PyTuple_Size(py_ann_row) != 3) {
+ srd_err("Protocol decoder %s annotation_rows "
+ "must contain only tuples of 3 elements.",
+ dec->name);