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115 lines
3.2 KiB
Python
115 lines
3.2 KiB
Python
import json
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import os
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import tomllib
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from typing import Any
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import yaml # type: ignore[import]
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type RawConfig = dict[str, Any]
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def load_from_yaml(file_path: str) -> RawConfig:
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"""从yaml文件中加载配置并返回字典
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Args:
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file_path (str): yaml文件路径
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Returns:
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dict[str, Any]: 配置字典
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"""
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with open(file_path, "r", encoding="utf-8") as file:
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return yaml.safe_load(file)
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def load_from_json(file_path: str) -> RawConfig:
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"""从json文件中加载配置并返回字典
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Args:
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file_path (str): json文件路径
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Returns:
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dict[str, Any]: 配置字典
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"""
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with open(file_path, "r", encoding="utf-8") as file:
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return json.load(file)
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def load_from_toml(file_path: str) -> RawConfig:
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"""从toml文件中加载配置并返回字典
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Args:
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file_path (str): toml文件路径
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Returns:
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dict[str, Any]: 配置字典
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"""
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with open(file_path, "rb") as file:
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return tomllib.load(file)
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def merge_dicts(base: RawConfig, new: RawConfig) -> RawConfig:
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"""递归合并两个字典
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Args:
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base (dict[str, Any]): 原始字典
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new (dict[str, Any]): 新的字典
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Returns:
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dict[str, Any]: 合并后的字典
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"""
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for key, value in new.items():
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if key in base and isinstance(base[key], dict) and isinstance(value, dict):
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# 如果当前键对应的值是字典，则递归合并
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base[key] = merge_dicts(base[key], value)
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else:
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# 否则直接更新值
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base[key] = value
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return base
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def flatten_dict(d: RawConfig, parent_key: str = '', sep: str = '.') -> RawConfig:
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"""将嵌套字典扁平化
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Args:
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d (dict[str, Any]): 嵌套字典
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parent_key (str, optional): 父键名. 默认值为 ''
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sep (str, optional): 分隔符. 默认值为 '.'
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Returns:
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dict[str, Any]: 扁平化字典
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Example:
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input_dict = {
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"server": {
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"host": "localhost",
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"port: 8080
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}
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}
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output_dict = flatten_dict(input_dict)
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output_dict = {
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"server.host": "localhost",
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"server.port": 8080
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}
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"""
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items: list[tuple[str, Any]] = []
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for k, v in d.items():
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new_key = f"{parent_key}{sep}{k}" if parent_key else k
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if isinstance(v, dict):
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items.extend(flatten_dict(v, new_key, sep=sep).items())
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else:
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items.append((new_key, v))
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return dict(items)
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def load_from_dir(dir_path: str) -> RawConfig:
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"""从目录中加载配置文件
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Args:
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dir_path (str): 目录路径
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"""
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config: RawConfig = {}
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for file_name in os.listdir(dir_path):
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if file_name.endswith(".yaml") or file_name.endswith(".yml"):
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config = merge_dicts(config, load_from_yaml(os.path.join(dir_path, file_name)) or {})
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elif file_name.endswith(".json"):
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config = merge_dicts(config, load_from_json(os.path.join(dir_path, file_name)) or {})
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elif file_name.endswith(".toml"):
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config = merge_dicts(config, load_from_toml(os.path.join(dir_path, file_name)) or {})
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return config |