mindspore.common.mindir_util 源代码

# Copyright 2023 Huawei Technologies Co., Ltd
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"""mindir utility."""
from __future__ import absolute_import

import os
from mindspore import log as logger
from mindspore import _checkparam as Validator
from mindspore.train.mind_ir_pb2 import ModelProto as mindir_model


[文档]def load_mindir(file_name): """ load protobuf file. Args: file_name (str): File name. Returns: ModelProto, mindir proto object. Raises: ValueError: The file does not exist or the file name format is incorrect. Supported Platforms: ``Ascend`` ``GPU`` ``CPU`` Examples: >>> import mindspore as ms >>> md = ms.load_mindir("test.mindir") """ Validator.check_file_name_by_regular(file_name) file_name = os.path.realpath(file_name) model = mindir_model() try: with open(file_name, "rb") as f: pb_content = f.read() model.ParseFromString(pb_content) except BaseException as e: logger.critical(f"Failed to parse the file: {file_name} " f" please check the correct file.") raise ValueError(e.__str__()) from e finally: pass return model
[文档]def save_mindir(model, file_name): """ save protobuf file. Args: model (ModelProto): mindir model file_name (str): File name. Raises: TypeError: The argument `model` is not a ModelProto object. ValueError: The file path does not exist or the `file_name` format is incorrect. Supported Platforms: ``Ascend`` ``GPU`` ``CPU`` Examples: >>> import mindspore as ms >>> md = ms.load_mindir("test.mindir") >>> md.user_info["version"]="pangu v100" >>> ms.save_mindir(md,"test_new.mindir") >>> md_new = ms.load_mindir("test_new.mindir") >>> md_new.user_info """ Validator.check_file_name_by_regular(file_name) file_name = os.path.realpath(file_name) if not isinstance(model, mindir_model): raise TypeError("For 'save_mindir', the argument 'model' must be ModelProto, " "but got {}.".format(type(model))) try: with open(file_name, "wb") as f: f.write(model.SerializeToString()) except BaseException as e: logger.critical(f"Failed to save the file: {file_name} ," f" please check the correct file.") raise ValueError(e.__str__()) from e finally: pass