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import tensorflow as tf | |
from tensorflow.python.saved_model import builder as saved_model_builder | |
from tensorflow.python.saved_model import signature_constants | |
from tensorflow.python.saved_model import signature_def_utils | |
from tensorflow.python.saved_model import tag_constants | |
from tensorflow.python.saved_model.utils import build_tensor_info | |
model_path = './frozen/inception_v3_2016_08_28_frozen.pb' | |
target_dir = './models/inception/3' | |
# (1) | |
with tf.gfile.FastGFile(model_path, 'rb') as f: | |
graph_def = tf.GraphDef() | |
graph_def.ParseFromString(f.read()) | |
_ = tf.import_graph_def(graph_def, name='') | |
input_name = 'input' | |
output_name = 'InceptionV3/Predictions/Reshape_1' | |
with tf.Session() as sess: | |
# (2) | |
model_input = build_tensor_info(sess.graph.get_tensor_by_name(input_name + ':0')) | |
model_output = build_tensor_info(sess.graph.get_tensor_by_name(output_name + ':0')) | |
# (3) | |
signature_definition = signature_def_utils.build_signature_def( | |
inputs={input_name: model_input}, | |
outputs={output_name: model_output}, | |
method_name=signature_constants.PREDICT_METHOD_NAME) | |
# (4) | |
builder = saved_model_builder.SavedModelBuilder(target_dir) | |
builder.add_meta_graph_and_variables(sess, [tag_constants.SERVING], signature_def_map={ | |
signature_constants.DEFAULT_SERVING_SIGNATURE_DEF_KEY: signature_definition | |
}, clear_devices=True) | |
builder.save() |
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