def load_topology_map(file_descr, graph):
    not_finished = True
    component_layer_map = {}
    layer_node_map = {}
    while not_finished:
        not_finished = read_node(file_descr, graph, component_layer_map, layer_node_map)
    return component_layer_map
def load_topology_map(file_descr, graph):
    not_finished = True
    component_layer_map = {}
    layer_node_map = {}
    while not_finished:
        not_finished = read_node(file_descr, graph, component_layer_map, layer_node_map)
    return component_layer_map