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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.
from omegaconf import DictConfig, OmegaConf
class CustomSimpleNamespace:
"""
A simple namespace class that supports both attribute-style and dictionary-style access.
"""
def __init__(self, d):
self._d = d
def __getattr__(self, attr):
# Attribute-style access: config.key
try:
return self._d[attr]
except KeyError:
raise AttributeError(f"'CustomSimpleNamespace' object has no attribute '{attr}'")
def __getitem__(self, key):
# Dictionary-style access: config['key']
return self._d[key]
def maybe_convert_to_namespace(config):
"""
This function cast a OmegaConf's DictConfig or a standard dict to CustomSimpleNamespace, which supports both
attribute-style and dictionary-style access.
Note: We need to convert OmegaConf's DictConfig since it is not compatible with torch.compile.
"""
# If input is OmegaConf's DictConfig, convert to a standard dict
if isinstance(config, DictConfig):
config = OmegaConf.to_container(config, resolve=True)
if isinstance(config, dict):
return CustomSimpleNamespace(config)
else:
return config
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