diff options
Diffstat (limited to 'src/mlia/nn/rewrite/core/utils/utils.py')
-rw-r--r-- | src/mlia/nn/rewrite/core/utils/utils.py | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/mlia/nn/rewrite/core/utils/utils.py b/src/mlia/nn/rewrite/core/utils/utils.py index d1ed322..ddf0cc2 100644 --- a/src/mlia/nn/rewrite/core/utils/utils.py +++ b/src/mlia/nn/rewrite/core/utils/utils.py @@ -1,22 +1,28 @@ # SPDX-FileCopyrightText: Copyright 2023, Arm Limited and/or its affiliates. # SPDX-License-Identifier: Apache-2.0 -import os +"""Model and file system utilites.""" +from __future__ import annotations + +from pathlib import Path import flatbuffers -from tensorflow.lite.python import schema_py_generated as schema_fb +from tensorflow.lite.python.schema_py_generated import Model +from tensorflow.lite.python.schema_py_generated import ModelT -def load(input_tflite_file): - if not os.path.exists(input_tflite_file): - raise FileNotFoundError("TFLite file not found at %r\n" % input_tflite_file) +def load(input_tflite_file: str | Path) -> ModelT: + """Load a flatbuffer model from file.""" + if not Path(input_tflite_file).exists(): + raise FileNotFoundError(f"TFLite file not found at {input_tflite_file}\n") with open(input_tflite_file, "rb") as file_handle: file_data = bytearray(file_handle.read()) - model_obj = schema_fb.Model.GetRootAsModel(file_data, 0) - model = schema_fb.ModelT.InitFromObj(model_obj) + model_obj = Model.GetRootAsModel(file_data, 0) + model = ModelT.InitFromObj(model_obj) return model -def save(model, output_tflite_file): +def save(model: ModelT, output_tflite_file: str | Path) -> None: + """Save a flatbuffer model to a given file.""" builder = flatbuffers.Builder(1024) # Initial size of the buffer, which # will grow automatically if needed model_offset = model.Pack(builder) |