def METHOD_NAME():
    plugin_dir = get_singleton(CONFIG, "SG_PLUGIN_DIR")
    if not plugin_dir:
        return
    logging.debug("Looking up plugins in %s", plugin_dir)
    for plugin in os.listdir(plugin_dir):
        data_source = _load_plugin_from_dir(plugin, plugin_dir)
        if data_source:
            register_data_source(plugin, data_source)