# Copyright 2022 ABSA Group Limited
#
# 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.
__all__ = ["override_config"]
from typing import Dict, List, Tuple
from loguru import logger
def _split_index_key(key: str) -> Tuple[str, str]:
name = key.split("[")[0]
index = key.split("[")[1].replace("]", "")
return name, index
def _find_first_match(config: List, index: str) -> int:
index_key, index_value = index.split("=")
return next(i for i, x in enumerate(config) if x.get(index_key) == index_value)
def _override(config, path, value) -> Dict:
key = path[0]
if "[" in key:
name, index = _split_index_key(key)
if name not in config:
raise ValueError(f"Invalid key: {name}")
if "=" in index:
index = _find_first_match(config[name], index)
else:
index = int(index)
if index >= 0 and index < len(config[name]):
if len(path) == 1:
config[name][index] = value
else:
config[name][index] = _override(config[name][index], path[1:], value)
elif index == -1:
if len(path) == 1:
config[name].append(value)
else:
raise ValueError(f"Invalid index {index} for key {name} in path {path}")
else:
raise IndexError(f"Index {index} out of bounds for key {key}")
else:
if len(path) == 1:
if key not in config:
logger.warning(f"Adding new key: {key} with value {value}")
config[key] = value
else:
if key not in config:
raise ValueError(f"Invalid key: {key}")
config[key] = _override(config[key], path[1:], value)
return config
[docs]
def override_config(config: Dict, overrides: Dict) -> Dict:
"""Override config with user input
:param config: config dictionary
:param overrides: dictionary of overrides
:return: Overridden config
"""
for path, value in overrides.items():
logger.info(f"Applying override:\npath: {path}\nvalue: {value}")
config = _override(config, path.split("."), value)
return config