def show_graph_details(graph, mark):
    import tensorflow as tf
    import pprint
    if isinstance(graph, tf.GraphDef):
        with tf.Session(graph=tf.Graph()) as sess:
            tf.import_graph_def(graph)
        graph = sess.graph
    elif isinstance(graph, tf.MetaGraphDef):
        with tf.Session(graph=tf.Graph()) as sess:
            tf.import_graph_def(graph.graph_def)
        graph = sess.graph

    print('[%s] Collections: %s' % (mark, graph.get_all_collection_keys()))
    for col in graph.get_all_collection_keys():
        print('    %s: %s' % (col, graph.get_collection(col)))

    print('')
    print('[%s] Graph Nodes: %s' % (
        mark,
        pprint.pformat([n.name for n in graph.as_graph_def().node])))