io.py 文件源码

def _write_coordinates(self, f, wn):
        f.write('[COORDINATES]\n'.encode('ascii'))
        entry = '{:10s} {:f} {:f}\n'
        label = '{:10s} {:10s} {:10s}\n'
        f.write(label.format(';Node', 'X-Coord', 'Y-Coord').encode('ascii'))
        coord = nx.get_node_attributes(wn._graph, 'pos')
        keys = list(coord.keys())
        keys.sort()
        for key in keys:
            val = coord[key]
            f.write(entry.format(key, val[0], val[1]).encode('ascii'))
        f.write('\n'.encode('ascii'))