#!/usr/bin/env python3 # -*- coding: utf-8 -*- """ 全局业务异常类 业务代码执行异常时,可以使用 raise xxxError 触发内部错误,它尽可能实现带有后台任务的异常,但它不适用于**自定义响应状态码** 如果要求使用**自定义响应状态码**,则可以通过 return await response_base.fail(res=CustomResponseCode.xxx) 直接返回 """ # noqa: E501 from typing import Any from fastapi import HTTPException from starlette.background import BackgroundTask from common.response.response_code import CustomErrorCode, StandardResponseCode class BaseExceptionMixin(Exception): code: int def __init__(self, *, msg: str = None, data: Any = None, background: BackgroundTask | None = None): self.msg = msg self.data = data # The original background task: https://www.starlette.io/background/ self.background = background class HTTPError(HTTPException): def __init__(self, *, code: int, msg: Any = None, headers: dict[str, Any] | None = None): super().__init__(status_code=code, detail=msg, headers=headers) class CustomError(BaseExceptionMixin): def __init__(self, *, error: CustomErrorCode, data: Any = None, background: BackgroundTask | None = None): self.code = error.code super().__init__(msg=error.msg, data=data, background=background) class RequestError(BaseExceptionMixin): code = StandardResponseCode.HTTP_400 def __init__(self, *, msg: str = 'Bad Request', data: Any = None, background: BackgroundTask | None = None): super().__init__(msg=msg, data=data, background=background) class ForbiddenError(BaseExceptionMixin): code = StandardResponseCode.HTTP_403 def __init__(self, *, msg: str = 'Forbidden', data: Any = None, background: BackgroundTask | None = None): super().__init__(msg=msg, data=data, background=background) class NotFoundError(BaseExceptionMixin): code = StandardResponseCode.HTTP_404 def __init__(self, *, msg: str = 'Not Found', data: Any = None, background: BackgroundTask | None = None): super().__init__(msg=msg, data=data, background=background) class ServerError(BaseExceptionMixin): code = StandardResponseCode.HTTP_500 def __init__( self, *, msg: str = 'Internal Server Error', data: Any = None, background: BackgroundTask | None = None ): super().__init__(msg=msg, data=data, background=background) class GatewayError(BaseExceptionMixin): code = StandardResponseCode.HTTP_502 def __init__(self, *, msg: str = 'Bad Gateway', data: Any = None, background: BackgroundTask | None = None): super().__init__(msg=msg, data=data, background=background) class AuthorizationError(BaseExceptionMixin): code = StandardResponseCode.HTTP_401 def __init__(self, *, msg: str = 'Permission Denied', data: Any = None, background: BackgroundTask | None = None): super().__init__(msg=msg, data=data, background=background) class TokenError(HTTPError): code = StandardResponseCode.HTTP_401 def __init__(self, *, msg: str = 'Not Authenticated', headers: dict[str, Any] | None = None): super().__init__(code=self.code, msg=msg, headers=headers or {'WWW-Authenticate': 'Bearer'})