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https://github.com/Telecominfraproject/oopt-gnpy.git
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f2039fbe1c
In order to be used by API. Co-authored-by: Renato Ambrosone <renato.ambrosone@polito.it> Signed-off-by: EstherLerouzic <esther.lerouzic@orange.com> Change-Id: I12111427c8a90b85b3158cdd95f4ee771cb39316
73 lines
2.2 KiB
Python
73 lines
2.2 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# SPDX-License-Identifier: BSD-3-Clause
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# gnpy.tools.default_edfa_configs: loads JSON configuration files at module initialization time
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# Copyright (C) 2025 Telecom Infra Project and GNPy contributors
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# see AUTHORS.rst for a list of contributors
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"""
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gnpy.tools.default_edfa_config
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==============================
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Default configs for pre defined amplifiers:
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- Juniper-BoosterHG.json,
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- std_medium_gain_advanced_config.json
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"""
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from logging import getLogger
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from typing import Dict, Optional
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from json import JSONDecodeError, load
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from pathlib import Path
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from gnpy.core.exceptions import ConfigurationError
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from gnpy.tools.convert_legacy_yang import yang_to_legacy
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_logger = getLogger(__name__)
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_examples_dir = Path(__file__).parent.parent / 'example-data'
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def _load_json_file(file_path: Path) -> Optional[Dict]:
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"""Load and parse a JSON file.
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:param file_path: Path to the JSON file to load
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:type file_path: Path
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:return: Dict containing the parsed JSON data or None if loading fails
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:rtype: Optional[Dict]
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"""
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try:
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with open(file_path, 'r', encoding='utf-8') as file:
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return yang_to_legacy(load(file))
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except FileNotFoundError:
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msg = f"Configuration file not found: {file_path}"
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_logger.error(msg)
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return None
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except JSONDecodeError as e:
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msg = f"Invalid JSON in configuration file {file_path}: {e}"
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_logger.error(msg)
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return None
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# Default files to load
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_files_to_load = {
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"std_medium_gain_advanced_config.json": _examples_dir / "std_medium_gain_advanced_config.json",
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"Juniper-BoosterHG.json": _examples_dir / "Juniper-BoosterHG.json"
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}
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# Load configurations
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_configs: Dict = {}
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for key, filepath in _files_to_load.items():
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config_data = _load_json_file(filepath)
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if config_data is not None:
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_configs[key] = config_data
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else:
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_msg = f"Failed to load configuration: {key}. Using empty dict as fallback."
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_logger.error(_msg)
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raise ConfigurationError
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# Expose the constant
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DEFAULT_EXTRA_CONFIG: Dict[str, Dict] = _configs
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DEFAULT_EQPT_CONFIG: Path = _examples_dir / "eqpt_config.json"
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