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#!/usr/bin/env python | |
import argparse | |
import datetime | |
import os | |
import yaml | |
def main(args): | |
import tensorflow as tf | |
from keras import backend as K | |
from keras.models import load_model | |
from tensorflow.python.framework import graph_io | |
from tensorflow.python.tools import freeze_graph | |
os.makedirs(args.output_dir, exist_ok=True) | |
input_graph_path = os.path.join(args.output_dir, 'model.pbtxt') | |
output_graph_path = os.path.join(args.output_dir, 'model.pb') | |
checkpoint_prefix = os.path.join(args.output_dir, 'ckpt') | |
interface_path = os.path.join(args.output_dir, 'interface.yml') | |
model = load_model(args.model_file) | |
# Save graph def & variables | |
sess = K.get_session() | |
graph_io.write_graph(sess.graph, '.', input_graph_path) | |
checkpoint_path = tf.train.Saver().save(sess, checkpoint_prefix) | |
# Save node names | |
with open(interface_path, 'w') as f: | |
yaml.dump( | |
{'input': model.input.name, 'output': model.output.name}, | |
f, | |
default_flow_style=False | |
) | |
# Freeze graph to pb file | |
freeze_graph.freeze_graph( | |
input_graph=input_graph_path, | |
input_saver=None, | |
input_binary=False, | |
input_checkpoint=checkpoint_path, | |
output_node_names=model.output.name.split(':')[0], | |
restore_op_name=None, | |
filename_tensor_name=None, | |
output_graph=output_graph_path, | |
clear_devices=True, | |
initializer_nodes=None, | |
) | |
if __name__ == "__main__": | |
suffix = datetime.datetime.now().strftime('%Y%m%d%H%M%S') | |
parser = argparse.ArgumentParser(description='Training model.') | |
parser.add_argument( | |
'-m', '--model-file', | |
type=str, | |
default=os.path.join(os.path.dirname(__file__), 'model.h5'), | |
help='A file of model to train' | |
) | |
parser.add_argument( | |
'-o', '--output-dir', | |
type=str, | |
default=os.path.join( | |
os.path.dirname(__file__), | |
'export.{}'.format(suffix) | |
), | |
help='Path of output directory' | |
) | |
parser.add_argument( | |
'--output-suffix', | |
type=str, | |
default=suffix, | |
help='Suffix of output directory' | |
) | |
main(parser.parse_args()) |
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