import tensorflow as tf
from tensorflow.python.framework.convert_to_constants import convert_variables_to_constants_v2

def freeze_model(model, output_path, name):
    full_model = tf.function(lambda x: model(x))
    full_model = full_model.get_concrete_function(
        tf.TensorSpec(model.inputs[0].shape, model.inputs[0].dtype))
    frozen_func = convert_variables_to_constants_v2(full_model)
    frozen_func.graph.as_graph_def()
    tf.io.write_graph(graph_or_graph_def=frozen_func.graph,
                    logdir=output_path,
                    name=f"{name}.pb",
                    as_text=False)
    return