app = FastAPI()

tasks = {"foo": "Listen to the Bar Fighters"}


@app.put("/get-or-create-task/{task_id}", status_code=200)
def get_or_create_task(task_id: str, response: Response):
    if task_id not in tasks:
        tasks[task_id] = "This didn't exist before"
        response.status_code = status.HTTP_201_CREATED

        int i;
        int len;
        if ( buf.length < TOK_ID_SIZE + MECH_OID_LEN_SIZE ) {
            throw new IllegalArgumentException();
        }
        // TOK_ID
        for ( i = 0; i < TOK_ID.length; i++ ) {
            if ( TOK_ID[ i ] != buf[ i ] ) {
                throw new IllegalArgumentException();
            }
        }
        // MECH_OID_LEN
        len = 0xff00 & ( buf[ i++ ] << 8 );