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2026-01-14 17:58:25 +08:00
commit 4620e349d9
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import os
from pathlib import Path
from types import SimpleNamespace # 导入SimpleNamespace
from typing import Any, Dict
import yaml
from dotenv import load_dotenv
from uvicorn.server import logger
class EnvConfig:
def __init__(self):
# 加载环境变量
if os.path.exists(".env"):
if load_dotenv(".env"):
logger.info("[激活配置] .env 配置加载成功 ✅")
else:
# 将 exit(1) 更改为 warning避免程序直接退出
logger.warning(
"[激活配置] 环境变量加载失败,请检查 .env 文件内容是否正确"
)
else:
logger.warning("[激活配置] .env 文件不存在,将不加载环境变量")
def _parse_bool(self, value):
"""将字符串形式的布尔值转换为布尔类型"""
if isinstance(value, str):
if value.lower() == "true":
return True
elif value.lower() == "false":
return False
return value
def __getattr__(self, name):
value = os.getenv(name)
if value is not None:
return self._parse_bool(value)
default_name = f"DEFAULT_{name}"
default_value = os.getenv(default_name)
if default_value is not None:
return self._parse_bool(default_value)
return None
def get(self, name, default=None):
value = os.getenv(name)
if value is not None:
return self._parse_bool(value)
return default
class YamlConfig:
def __init__(self, yaml_file: str = "config.yaml"):
self._yaml_file = Path(yaml_file)
self._load_settings()
def _load_settings(self) -> None:
if not self._yaml_file.exists():
raise FileNotFoundError(f"[激活配置] 配置文件 {self._yaml_file} 不存在")
with open(self._yaml_file, "r", encoding="utf-8") as f:
config_data = yaml.safe_load(f) or {}
self._set_attributes(config_data)
logger.info(f"[激活配置] config.yaml 配置加载成功 ✅")
def _set_attributes(self, config_data: Dict[str, Any]) -> None:
# 使用 SimpleNamespace 更好地处理嵌套配置,使其可以通过属性访问
for key, value in config_data.items():
if isinstance(value, dict):
setattr(self, key, SimpleNamespace(**value))
else:
setattr(self, key, value)
# 移除 _from_dict 方法,因为 SimpleNamespace 可以直接从字典创建
def __repr__(self) -> str:
attrs = []
for key in sorted(self.__dict__.keys()):
if not key.startswith("_"):
value = getattr(self, key)
attrs.append(f"{key}={repr(value)}")
return f"Settings({', '.join(attrs)})"
def reload(self) -> None:
if self._yaml_file is None:
raise RuntimeError("无法重新加载,此实例是从字典创建的")
self._load_settings()
# 创建配置实例
env_config = EnvConfig()
yaml_config = None
try:
yaml_config = YamlConfig()
except FileNotFoundError:
logger.warning("[激活配置] 配置文件 config.yaml 不存在,将不加载配置")
class Setting:
def __init__(self):
self.env = env_config
self.config = yaml_config
setting = Setting()