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https://github.com/fastapi-practices/fastapi_best_architecture.git
synced 2025-08-15 20:26:34 +08:00
88 lines
3.2 KiB
Python
88 lines
3.2 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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全局业务异常类
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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**
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如果要求使用**自定义响应状态码**，则可以通过 return response_base.fail(res=CustomResponseCode.xxx) 直接返回
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""" # noqa: E501
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from typing import Any
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from fastapi import HTTPException
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from starlette.background import BackgroundTask
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from backend.common.response.response_code import CustomErrorCode, StandardResponseCode
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class BaseExceptionMixin(Exception):
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code: int
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def __init__(self, *, msg: str = None, data: Any = None, background: BackgroundTask | None = None):
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self.msg = msg
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self.data = data
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# The original background task: https://www.starlette.io/background/
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self.background = background
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class HTTPError(HTTPException):
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def __init__(self, *, code: int, msg: Any = None, headers: dict[str, Any] | None = None):
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super().__init__(status_code=code, detail=msg, headers=headers)
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class CustomError(BaseExceptionMixin):
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def __init__(self, *, error: CustomErrorCode, data: Any = None, background: BackgroundTask | None = None):
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self.code = error.code
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super().__init__(msg=error.msg, data=data, background=background)
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class RequestError(BaseExceptionMixin):
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code = StandardResponseCode.HTTP_400
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def __init__(self, *, msg: str = 'Bad Request', data: Any = None, background: BackgroundTask | None = None):
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super().__init__(msg=msg, data=data, background=background)
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class ForbiddenError(BaseExceptionMixin):
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code = StandardResponseCode.HTTP_403
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def __init__(self, *, msg: str = 'Forbidden', data: Any = None, background: BackgroundTask | None = None):
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super().__init__(msg=msg, data=data, background=background)
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class NotFoundError(BaseExceptionMixin):
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code = StandardResponseCode.HTTP_404
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def __init__(self, *, msg: str = 'Not Found', data: Any = None, background: BackgroundTask | None = None):
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super().__init__(msg=msg, data=data, background=background)
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class ServerError(BaseExceptionMixin):
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code = StandardResponseCode.HTTP_500
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def __init__(
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self, *, msg: str = 'Internal Server Error', data: Any = None, background: BackgroundTask | None = None
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):
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super().__init__(msg=msg, data=data, background=background)
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class GatewayError(BaseExceptionMixin):
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code = StandardResponseCode.HTTP_502
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def __init__(self, *, msg: str = 'Bad Gateway', data: Any = None, background: BackgroundTask | None = None):
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super().__init__(msg=msg, data=data, background=background)
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class AuthorizationError(BaseExceptionMixin):
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code = StandardResponseCode.HTTP_401
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def __init__(self, *, msg: str = 'Permission Denied', data: Any = None, background: BackgroundTask | None = None):
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super().__init__(msg=msg, data=data, background=background)
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class TokenError(HTTPError):
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code = StandardResponseCode.HTTP_401
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def __init__(self, *, msg: str = 'Not Authenticated', headers: dict[str, Any] | None = None):
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super().__init__(code=self.code, msg=msg, headers=headers or {'WWW-Authenticate': 'Bearer'})
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