Function py_attr_as_strlist

libsigrokdecode4DSL/util.c:116–162

* Get the value of a Python object's attribute, returned as a newly * allocated GSList of char *. * * @param[in] py_obj The object to probe. * @param[in] attr Name of the attribute to retrieve. * @param[out] outstrlist ptr to GSList of char * storage to be filled in. * * @return SRD_OK upon success, a (negative) error code otherwise. * The 'outstrlist' argument points to a GSList o

 * @private
 */
SRD_PRIV int py_attr_as_strlist(PyObject *py_obj, const char *attr, GSList **outstrlist)
{
	PyObject *py_list;
    int i;
	int ret;
	char *outstr;
	PyGILState_STATE gstate;

	gstate = PyGILState_Ensure();

	if (!PyObject_HasAttrString(py_obj, attr)) {
		srd_dbg("Object has no attribute '%s'.", attr);
		goto err;
	}

	if (!(py_list = PyObject_GetAttrString(py_obj, attr))) {
        srd_exception_catch(NULL, "Failed to get attribute '%s'", attr);
		goto err;
	}

	if (!PyList_Check(py_list)) {
		srd_dbg("Object is not a list.");
		goto err;
	}

	*outstrlist = NULL;

	for (i = 0; i < PyList_Size(py_list); i++) {
		ret = py_listitem_as_str(py_list, i, &outstr);
		if (ret < 0) {
            srd_dbg("Couldn't get item %d.", i);
			goto err;
		}
		*outstrlist = g_slist_append(*outstrlist, outstr);
	}

	Py_DECREF(py_list);

	PyGILState_Release(gstate);

	return SRD_OK;

err:
	PyGILState_Release(gstate);

	return SRD_ERR_PYTHON;
}

/**
 * Get the value of a Python dictionary item, returned as a newly