132 lines
4.1 KiB
Python
132 lines
4.1 KiB
Python
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"""
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配置管理模块
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基于 Pydantic Settings 和 TOML 文件
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"""
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from typing import Optional, Dict, Any
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from pydantic_settings import BaseSettings
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from pydantic import Field
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import toml
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from pathlib import Path
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import sys
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import os
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from utils.launch import args
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class Settings(BaseSettings):
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"""应用配置"""
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# 应用信息
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app_name: str = "FastAPI Demo"
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app_version: str = "1.0.0"
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description: str = "FastAPI 应用"
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# 服务器配置
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host: str = "0.0.0.0"
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port: int = 8000
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reload: bool = False
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workers: int = 4
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# 数据库配置
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database_url: str = "sqlite://db.sqlite3"
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generate_schemas: bool = False
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# 环境配置
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env: str = "development"
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debug: bool = False
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# 日志配置
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logging_level: str = "INFO"
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logging_file: Optional[str] = None
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# CORS 配置
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cors_allow_origins: list = ["*"]
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cors_allow_credentials: bool = True
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cors_allow_methods: list = ["*"]
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cors_allow_headers: list = ["*"]
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# 安全配置
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secret_key: str = "your-secret-key-change-in-production"
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algorithm: str = "HS256"
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access_token_expire_minutes: int = 30
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# 模块系统
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module_system_type: str = "local"
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module_system_path: list = ["plugins", "app"]
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class Config:
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env_file = ".env"
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extra = "ignore"
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@classmethod
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def from_toml(cls, config_path: Optional[str] = None) -> "Settings":
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"""从 TOML 文件加载配置"""
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if config_path is None:
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# 尝试多个可能的配置路径
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possible_paths = [
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"config.toml",
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"./config.toml",
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"../config.toml",
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Path(__file__).parent.parent.parent / "config.toml",
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]
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for path in possible_paths:
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if Path(path).exists():
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config_path = str(path)
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print(f"📄 加载配置文件: {config_path}")
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break
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if config_path is None:
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print("⚠️ 未找到配置文件，使用默认配置")
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return cls()
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try:
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config_file = Path(config_path)
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if not config_file.exists():
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print(f"⚠️ 配置文件不存在: {config_path}")
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return cls()
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config_data = toml.load(config_file)
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# 获取默认配置
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default_config = config_data.get("default", {})
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# 确定环境
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env = default_config.get("env", "development")
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# 获取环境特定配置
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env_config = config_data.get(env, {})
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# 合并配置
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merged_config = {**default_config, **env_config}
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# 处理嵌套配置
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for section in ["server", "database", "security", "logging", "cors", "module_system"]:
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if section in config_data:
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if isinstance(config_data[section], dict):
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merged_config.update(config_data[section])
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# 从环境特定配置中覆盖
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for section in ["server", "database", "security", "logging", "cors", "module_system"]:
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env_section_key = f"{env}.{section}"
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if env_section_key in config_data:
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if isinstance(config_data[env_section_key], dict):
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merged_config.update(config_data[env_section_key])
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print(f"🌍 环境: {env}")
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return cls(**merged_config)
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except Exception as e:
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print(f"❌ 加载配置失败: {e}")
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import traceback
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traceback.print_exc()
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return cls()
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# 全局配置实例
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_settings = None
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def get_settings() -> Settings:
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"""获取配置实例（单例模式）"""
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global _settings
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if _settings is None:
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_settings = Settings.from_toml(args.config)
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return _settings
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