29 lines
874 B
Python
29 lines
874 B
Python
from typing import Any
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from fastapi import FastAPI, Request
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from fastapi.responses import JSONResponse
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class AppError(Exception):
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def __init__(
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self,
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code: str,
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message: str,
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status_code: int = 400,
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details: dict[str, Any] | None = None,
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) -> None:
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super().__init__(message)
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self.code = code
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self.message = message
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self.status_code = status_code
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self.details = details
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def install_error_handlers(app: FastAPI) -> None:
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@app.exception_handler(AppError)
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async def handle_app_error(_request: Request, exc: AppError) -> JSONResponse:
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body: dict[str, Any] = {"error": {"code": exc.code, "message": exc.message}}
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if exc.details is not None:
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body["error"]["details"] = exc.details
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return JSONResponse(status_code=exc.status_code, content=body)
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