75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
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"""全局配置：从 .env 读取，Pydantic v2 settings 风格。"""
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from functools import lru_cache
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from pydantic_settings import BaseSettings, SettingsConfigDict
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class Settings(BaseSettings):
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model_config = SettingsConfigDict(
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env_file=".env",
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env_file_encoding="utf-8",
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extra="ignore",
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case_sensitive=False,
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)
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# ---------- 应用 ----------
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APP_NAME: str = "沃林学生管理系统"
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APP_DESC: str = "基于 FastAPI + SQLAlchemy 2.0 + MySQL 的教务管理系统"
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VERSION: str = "1.0.0"
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DEBUG: bool = True
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# ---------- 数据库 ----------
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DB_DRIVER: str = "mysql+pymysql" # mysql+pymysql | sqlite
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DB_HOST: str = "127.0.0.1"
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DB_PORT: int = 3306
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DB_USER: str = "root"
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DB_PASSWORD: str = "123456"
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DB_NAME: str = "wolin_sms"
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SQLITE_PATH: str = "./wolin_sms.db"
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DB_ECHO: bool = False
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DB_POOL_SIZE: int = 10
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DB_POOL_RECYCLE: int = 3600
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# ---------- 鉴权 ----------
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JWT_SECRET: str = "wolin-sms-dev-secret-change-me"
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JWT_ALGORITHM: str = "HS256"
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JWT_EXPIRE_MINUTES: int = 720
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AUTH_ENABLED: bool = True # 关闭后所有接口免登录（本地排错用）
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# ---------- 初始管理员 ----------
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ADMIN_USERNAME: str = "admin"
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ADMIN_PASSWORD: str = "admin123"
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# ---------- 业务规则 ----------
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SCORE_PASS_LINE: float = 60.0 # 及格线
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SCORE_WARN_LINE: float = 60.0 # 红线预警线（低于即标记"需重点关注"）
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HIGH_SALARY_LINE: float = 10000.0 # 高薪线
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STU_NO_PREFIX: str = "WL" # 学号前缀
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@property
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def database_url(self) -> str:
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if self.DB_DRIVER.startswith("sqlite"):
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return f"sqlite:///{self.SQLITE_PATH}"
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return (
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f"{self.DB_DRIVER}://{self.DB_USER}:{self.DB_PASSWORD}"
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f"@{self.DB_HOST}:{self.DB_PORT}/{self.DB_NAME}?charset=utf8mb4"
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)
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@property
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def server_url_without_db(self) -> str:
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"""用于首次自动建库（数据库还不存在时）。"""
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return (
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f"{self.DB_DRIVER}://{self.DB_USER}:{self.DB_PASSWORD}"
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f"@{self.DB_HOST}:{self.DB_PORT}/?charset=utf8mb4"
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)
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@lru_cache
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def get_settings() -> Settings:
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return Settings()
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settings = get_settings()
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