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| # SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved. | |
| # SPDX-License-Identifier: Apache-2.0 | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| import os | |
| import sys | |
| from typing import Callable | |
| class Trace: | |
| def __init__( | |
| self, | |
| path: str | None = None, | |
| copy_into_stdout: bool = False, | |
| hook: Callable = None, | |
| ) -> None: | |
| self.path = path | |
| self.entries = [] | |
| self.copy_into_stdout = copy_into_stdout | |
| self.hook = hook | |
| # set self.file to a new file if path is not None or to stdout if it is None | |
| self.file = open(path, "w") if path is not None else open(os.devnull, "w") | |
| def write(self, entry: str) -> None: | |
| self.entries.append(entry) | |
| print(entry, file=self.file, flush=True) | |
| if self.copy_into_stdout: | |
| print(entry, file=sys.stdout, flush=True) | |
| if self.hook is not None: | |
| self.hook(entry) | |
| def close(self) -> None: | |
| self.file.close() | |
| def __call__(self, *args) -> None: | |
| for arg in args: | |
| self.write(str(arg)) | |
| def write_separator(self) -> None: | |
| self.write("#" * 80) | |