Function load_book_cached

server.py:20–35

Loads the book from the pickle file. Cached so we don't re-read the disk on every click.

(folder_name: str)

@lru_cache(maxsize=10)
def load_book_cached(folder_name: str) -> Optional[Book]:
    """
    Loads the book from the pickle file.
    Cached so we don't re-read the disk on every click.
    """
    file_path = os.path.join(BOOKS_DIR, folder_name, "book.pkl")
    if not os.path.exists(file_path):
        return None

    try:
        with open(file_path, "rb") as f:
            book = pickle.load(f)
        return book
    except Exception as e:
        print(f"Error loading book {folder_name}: {e}")
        return None

@app.get("/", response_class=HTMLResponse)
async def library_view(request: Request):