catching exception

except.py

from starlette.middleware.base import BaseHTTPMiddleware
from starlette.responses import JSONResponse



class UnknownExceptionMiddleware(BaseHTTPMiddleware):  # https://www.starlette.io/middleware/#basehttpmiddleware
    def __init__(self, app):
        super().__init__(app)

    async def dispatch(self, request, call_next):
        try:
            return await call_next(request)
        except Exception:
            print("예상치 못한 에러 발생, 로그 찍어야 됩니다.")
            return JSONResponse(
                message={
                    "message": "Unknown Server Error",
                },
            )