"""统一业务异常。""" from __future__ import annotations class AppError(Exception): def __init__( self, code: int, message: str, *, http_status: int = 400, error_code: str | None = None, audit_event: str | None = None, ) -> None: super().__init__(message) self.code = code self.message = message self.http_status = http_status self.error_code = error_code self.audit_event = audit_event class UnauthorizedError(AppError): def __init__(self, message: str = "未授权", *, error_code: str = "AUTH_401") -> None: super().__init__(401, message, http_status=401, error_code=error_code, audit_event="auth_denied") class ForbiddenError(AppError): def __init__( self, message: str = "无权访问", *, error_code: str = "AUTH_403", audit_event: str = "auth_denied", ) -> None: super().__init__(403, message, http_status=403, error_code=error_code, audit_event=audit_event)