Source code for nemo_rl.utils.json_utils

# Copyright (c) 2026, NVIDIA CORPORATION.  All rights reserved.
#
# 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 math
from typing import Any



[docs]
def json_safe_nonfinite(value: Any) -> Any:
    """Represent nonfinite diagnostic values as JSON null without mutating data."""
    if isinstance(value, float) and not math.isfinite(value):
        return None
    if isinstance(value, dict):
        return {key: json_safe_nonfinite(item) for key, item in value.items()}
    if isinstance(value, (list, tuple)):
        return [json_safe_nonfinite(item) for item in value]
    return value