Function srd_decoder_searchpath_add

libsigrokdecode4DSL/srd.c:340–376

* Add an additional search directory for the protocol decoders. * * The specified directory is prepended (not appended!) to Python's sys.path, * in order to search for sigrok protocol decoders in the specified * directories first, and in the generic Python module directories (and in * the current working directory) last. This avoids conflicts if there are * Python modules which have the same

 * @since 0.1.0
 */
SRD_PRIV int srd_decoder_searchpath_add(const char *path)
{
	PyGILState_STATE gstate;

	srd_dbg("Adding '%s' to module path.", path);

	gstate = PyGILState_Ensure();
	
	PyObject *py_cur_path, *py_item;
	py_cur_path = PySys_GetObject("path");
	if (!py_cur_path)
		goto err;

	py_item = PyUnicode_FromString(path);
	if (!py_item) {
        srd_exception_catch(NULL, "Failed to create Unicode object");
		goto err;
	}
	if (PyList_Insert(py_cur_path, 0, py_item) < 0) {
        srd_exception_catch(NULL, "Failed to insert path element");
		Py_DECREF(py_item);
		goto err;
	}
	Py_DECREF(py_item);

	PyGILState_Release(gstate);

	//append the directory to search list
	searchpaths = g_slist_prepend(searchpaths, g_strdup(path));

	return SRD_OK;

err:
	PyGILState_Release(gstate);

	return SRD_ERR_PYTHON;
}

/**
 * Return the list of protocol decoder search paths.