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a783939 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | import logging
from fastapi import FastAPI, HTTPException, Request
from fastapi.exceptions import RequestValidationError
from fastapi.responses import JSONResponse
log = logging.getLogger("fraud.errors")
def install_exception_handlers(app: FastAPI) -> None:
@app.exception_handler(RequestValidationError)
async def _validation(_: Request, exc: RequestValidationError):
return JSONResponse(
status_code=422,
content={
"error": "VALIDATION_ERROR",
"message": "Request validation failed",
"details": {"errors": exc.errors()},
},
)
@app.exception_handler(HTTPException)
async def _http(_: Request, exc: HTTPException):
detail = exc.detail
if isinstance(detail, dict) and "error" in detail:
payload = {
"error": detail.get("error", "ERROR"),
"message": detail.get("message", ""),
"details": detail.get("details"),
}
else:
payload = {"error": "ERROR", "message": str(detail), "details": None}
return JSONResponse(status_code=exc.status_code, content=payload)
@app.exception_handler(Exception)
async def _unhandled(_: Request, exc: Exception):
log.exception("Unhandled exception: %s", exc)
return JSONResponse(
status_code=500,
content={"error": "INTERNAL_ERROR", "message": "Internal server error", "details": None},
)
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