| # Copyright 2025 The Chromium Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| from __future__ import annotations |
| |
| from typing import IO, Any, Iterable |
| |
| import hjson |
| |
| |
| def _check_for_duplicate_keys( |
| key_values: Iterable[tuple[str, Any]]) -> dict[str, Any]: |
| result = {} |
| for key, value in key_values: |
| if key in result: |
| raise ValueError(f"Duplicate key in hjson: {key}") |
| result[key] = value |
| return result |
| |
| |
| def load_unique_keys(file: IO[str]) -> Any: |
| return hjson.load( |
| file, object_pairs_hook=_check_for_duplicate_keys) # type: ignore |
| |
| |
| def loads_unique_keys(string_value: str) -> Any: |
| return hjson.loads(string_value, object_pairs_hook=_check_for_duplicate_keys) |
