93 lines
3.1 KiB
Python
93 lines
3.1 KiB
Python
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from typing import Any
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from fastapi import FastAPI, HTTPException, Request, status
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from fastapi.encoders import jsonable_encoder
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from fastapi.exceptions import RequestValidationError
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from fastapi.responses import JSONResponse
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from starlette.exceptions import HTTPException as StarletteHTTPException
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from src.utils.helpers import first
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def register_exception_handler(app: FastAPI):
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@app.exception_handler(RequestValidationError)
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async def validation_exception_handler(request: Request, exc: RequestValidationError):
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"""请求参数验证错误处理"""
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error = first(exc.errors())
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field = error.get('loc')[1] or ''
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return JSONResponse(
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status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
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content=jsonable_encoder({
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"status_code": status.HTTP_422_UNPROCESSABLE_ENTITY,
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"message": "{} param {}".format(field, error.get('msg')),
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"detail": exc.errors()}),
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)
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@app.exception_handler(StarletteHTTPException)
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async def http_exception_handler(request: Request, exc: StarletteHTTPException):
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"""Http 异常处理"""
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return JSONResponse(
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status_code=exc.status_code,
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content=jsonable_encoder({
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"status_code": exc.status_code,
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"message": exc.detail}),
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)
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@app.exception_handler(Exception)
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async def exception_callback(request: Request, exc: Exception):
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"""其他异常处理，遇到其他问题再自定义异常"""
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return JSONResponse(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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content=jsonable_encoder({
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"status_code": status.HTTP_500_INTERNAL_SERVER_ERROR,
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"message": "Internal Server Error",
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# "detail": ''.join(exc.args)
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}),
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)
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class CommonHttpException(HTTPException):
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def __init__(self, detail, status_code, **kwargs: dict[str, Any]) -> None:
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super().__init__(status_code=status_code, detail=detail, **kwargs)
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class DetailedHTTPException(HTTPException):
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STATUS_CODE = status.HTTP_500_INTERNAL_SERVER_ERROR
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DETAIL = "Server error"
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def __init__(self, **kwargs: dict[str, Any]) -> None:
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super().__init__(status_code=self.STATUS_CODE, detail=self.DETAIL, **kwargs)
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class PermissionDenied(DetailedHTTPException):
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STATUS_CODE = status.HTTP_403_FORBIDDEN
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DETAIL = "Permission denied"
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class NotFound(DetailedHTTPException):
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STATUS_CODE = status.HTTP_404_NOT_FOUND
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class BadRequest(DetailedHTTPException):
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STATUS_CODE = status.HTTP_400_BAD_REQUEST
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DETAIL = "Bad Request"
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class UnprocessableEntity(DetailedHTTPException):
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STATUS_CODE = status.HTTP_422_UNPROCESSABLE_ENTITY
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DETAIL = "Unprocessable entity"
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class NotAuthenticated(DetailedHTTPException):
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STATUS_CODE = status.HTTP_401_UNAUTHORIZED
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DETAIL = "User not authenticated"
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class WxResponseError(DetailedHTTPException):
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STATUS_CODE = status.HTTP_400_BAD_REQUEST
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DETAIL = "请求微信异常"
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def __init__(self) -> None:
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super().__init__(headers={"WWW-Authenticate": "Bearer"})
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