TFgraph_list.py

from tensorflow.python.platform import gfile
with tf.Session() as sess:
    with gfile.FastGFile('slopemodel/slopemodel.pb', 'rb') as f:
        graph_def = tf.GraphDef()
        graph_def.ParseFromString(f.read())
        sess.graph.as_default()
        g_in = tf.import_graph_def(graph_def)
    for op in tf.get_default_graph().get_operations():
        print(str(op.name))
    for n in tf.get_default_graph().as_graph_def().node:
        print(n.name)